The present disclosure describes implementations of systems and methods that detect and evaluate bursts of driver performance events. In one form a system includes at least one processor configured to: receive vehicle performance information from at least one of a controller, a sensor, or another system of a vehicle; evaluate a performance of a driver based on the received vehicle performance information and record a plurality of driver events associated with the performance of the driver; analyze the plurality of driver events and identify a burst subset of driver events based on at least one of a time of each driver event or a spacing between proximate driver events of the plurality of driver events; and alert the driver to a degradation of driving performance based on the identified burst subset of driver events.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/04 - Registering or indicating driving, working, idle, or waiting time only using counting means or digital clocks
2.
System and Method for Preventing Vehicle Roll-Away
A system for braking a vehicle includes an operator interface that transmits a brake command signal when actuated by a vehicle operator. When the interface is not actuated and does not transmit the signal, a controller receives signals indicative of whether the vehicle is in an active or inactive state from two different sources and determines that the vehicle is in the inactive state if both of the signals indicate the vehicle is in the inactive state. The controller receives another signal indicative of a speed of the vehicle and determines whether the speed of the vehicle meets a predetermined condition relative to a predetermined speed of the vehicle. The controller generates a control signal to apply a wheel parking brake on the vehicle after determining that the vehicle is the inactive state and determining that the speed of the vehicle meets the predetermined condition relative to the predetermined speed.
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
The present disclosure provides systems and methods for an adaptive cruise control that controls a speed of a host vehicle as a passing vehicle quickly passes through a trajectory of the host vehicle. In one form, a system includes at least one processor that is configured to determine that a passing vehicle is entering a trajectory in which the host vehicle is travelling based on a longitudinal speed, a longitudinal acceleration, a lateral speed, and a lateral acceleration of the passing vehicle; determine to maintain a follow distance of an adaptive cruise control system of the host vehicle to at least one target vehicle in the trajectory in which the host vehicle is traveling prior to the passing vehicle entering the trajectory; and to maintain the follow distance to the at least one target vehicle while the passing vehicle passes through the trajectory in which the host vehicle is traveling.
The present disclosure is directed to driver assistance systems, such as blind sport detection systems, that integrate driver facing imaging devices. In one form, a system includes an imaging device configured to capture images of a face of a driver; at least one sensor positioned on the vehicle and configured to detect a distance from the vehicle to an object; and at least one processor configured to analyze the images and determine that the driver is in a drowsy state; determine, based on information received from the at least one sensor, that a distance between the vehicle and the object is decreasing or that the distance between the vehicle and the object is less than a threshold; and in response to the determinations, provide an alert to the driver of a potential side collision.
A trailer spring brake valve is provided for a vehicle air braking system. The trailer spring brake valve comprises a number of components arranged to cooperate together to provide type of brake priority based upon trailer weight.
B60T 8/18 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
B60T 13/38 - Brakes applied by springs or weights and released by compressed air
B60T 13/66 - Electrical control in fluid-pressure brake systems
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
B60T 17/22 - Devices for monitoring or checking brake systems; Signal devices
6.
SYSTEM AND METHOD FOR DETERMINING AN ADAPTABILITY OF A DRIVER AND A DRIVING DIFFICULTY OF A VEHICLE
The present disclosure is directed systems and methods that determine an adaptability of a driver and a driving difficulty of a vehicle. In one form, a processor of a driver adaptability system receives driver performance information from a first vehicle and records a first plurality of driver events associated with the performance of the first driver while driving the first vehicle. The processor further receives driver performance information from a second vehicle and records a second plurality of driver events associated with the performing of the first driver while driving the second vehicle. The processor determines a level of adaptability of the first driver based on at least a difference in performance of the first driver in the first plurality of driver events and the second plurality of driver events.
B60W 50/08 - Interaction between the driver and the control system
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
When a leak occurs in one service circuit of a multi-circuit braking system, the leak can prevent replenishing the non-leaking service reservoir. To address this problem, a shared backup reservoir can be used to replenish the non-leaking service reservoir. A valve can be used to allow flow from the backup reservoir to whichever service reservoir is under higher pressure, as low pressure would indicate a leak. Additional valve(s) can be used to impede flow from the service reservoirs to the backup reservoir to prevent the service reservoirs from being drained if the backup reservoir is subject to a leak.
A system for calibrating signals received over a power line within a vehicle includes a signal conditioning circuit that converts the analog input signals into digital input signals. In one embodiment the circuit includes an adjustable gain circuit that outputs an amplifier gain signal establishing an amplifier gain level and an amplifier that outputs amplified signals responsive to the analog input signals and the amplifier gain signal. In another embodiment, the circuit includes a bias circuit that outputs a bias signal establishing a bias level and a comparator that generates the digital input signals responsive to the analog input signals and the bias signal. A controller receives the digital input signals and generates, depending on the embodiment, one or more control signals configured to control the configuration of the amplifier gain signal and amplifier gain level and/or the bias signal and the bias level.
H02G 3/30 - Installations of cables or lines on walls, floors or ceilings
H03G 3/30 - Automatic control in amplifiers having semiconductor devices
H03F 3/04 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
H04B 3/54 - Systems for transmission via power distribution lines
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
An air treatment system includes an electric compressor for compressing air, an air flow valve positioned in a delivery line downstream of the electric compressor, and an electropneumatic valve connected to the air flow valve. A controller having control logic receives a system pressure and activates the electropneumatic valve. The control logic activates the electropneumatic valve to provide a pneumatic control signal to the air flow valve to partially close the delivery line in response to the system pressure being greater than a first predetermined pressure.
F04B 49/22 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by means of valves
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
A system for transmitting and receiving signals having varying frequencies along a power line within a vehicle is provided. A transceiver is configured to transmit output signals to and receive input signals from various electronic systems on a vehicle along a power line at a first frequency. A frequency control circuit determines whether the destination system for the output signal is configured to receive the output signal at the first frequency or a different frequency and modulates the frequency of the output signal if necessary. The frequency control circuit also determines, prior to receipt by the transceiver, whether the input signal has the first frequency or different frequency and modulates the frequency of the input signal if necessary.
In one embodiment, a foot brake module is provided comprising: a sensor configured to generate a brake demand; a first transceiver configured to receive a brake demand generated by a second foot brake module of a vehicle; a processor configured to determine which of the brake demand generated by the second foot brake module and the brake demand generated by the sensor is greater; and a second transceiver configured to send the greater brake demand to a brake controller of the vehicle. Other embodiments are possible, and each of the embodiments can be used alone or together in combination.
A brake demand arbitrating device is provided comprising: a first transceiver configured to receive a first brake demand generated by a first brake pedal of a vehicle; a second transceiver configured to receive a second brake demand generated by a second brake pedal of the vehicle; a processor configured to determine which of the first brake demand and the second brake demand is greater; and a third transceiver configured to send the greater brake demand to a brake controller of the vehicle. Other embodiments are possible, and each of the embodiments can be used alone or together in combination.
B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
B60T 17/22 - Devices for monitoring or checking brake systems; Signal devices
A braking control system is provided comprising a first brake controller configured to receive a first brake demand generated by a first brake pedal of a vehicle; and a second brake controller configured to receive a second brake demand generated by a second brake pedal of the vehicle. The first brake controller is further configured to provide the first brake demand to the second brake controller, and the second brake controller is further configured to determine which of the first brake demand and the second brake demand is greater. At least one of the first and second brake controllers is further configured to cause a braking system of the vehicle to decelerate the vehicle according to the greater brake demand. Other embodiments are possible, and each of the embodiments can be used alone or together in combination.
B60T 7/20 - Brake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
B60T 7/04 - Brake-action initiating means for personal initiation foot-actuated
B60T 13/66 - Electrical control in fluid-pressure brake systems
B60T 17/22 - Devices for monitoring or checking brake systems; Signal devices
14.
POST-WORK-SHIFT DRIVER TO VEHICLE EVENT ASSOCIATION FOR CONTROLLING VEHICLE FUNCTIONS BASED ON MONITORED DRIVER PERFORMANCE
Each of a plurality of on-vehicle event detection systems generate vehicle event datasets characterizing detected vehicle events, while each of one or more off-vehicle driver log-in/log-out devices generate at least one of: a driver log-in event dataset characterizing a detected driver log-in event, and a driver log-out event dataset characterizing a detected driver log-out event, wherein each driver log-in and driver log-out event is for a respective driver. A database stores the event datasets for retrieval by a linking module. The linking module analyzes two or more of the event datasets, and associates one or more vehicle events with one or more of the respective drivers based on the retrieved event datasets. A vehicle control module generates and transmits a control signal for controlling a vehicle system based on the association.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/00 - Registering or indicating the working of vehicles
An air dryer apparatus is provided for a vehicle air brake charging system. The air dryer apparatus comprises an air dryer governor assembly. The air dryer governor assembly includes a plastic sleeve having an external sleeve surface and an internal sleeve surface that defines a piston bore. The air dryer governor assembly also includes a piston disposed in the piston bore and slidable along the internal sleeve surface between a preset cut-out setting and a preset cut-in setting of the air dryer governor assembly. The air dryer governor assembly further includes one or more ribs disposed on the external sleeve surface to prevent deformation of the plastic sleeve when the piston slides along the internal sleeve surface between the preset cut-out and cut-in settings.
A braking system with redundant trailer communication is provided. In one embodiment, a braking control system for a tractor-trailer comprises a primary brake controller in a tractor configured to communicate with a trailer brake controller in a trailer via a first communication channel, and a redundant brake controller in the tractor configured to communicate with the trailer brake controller via a second communication channel. The primary brake controller is further configured to serve as a master brake controller for the trailer and communicate with an automated driving computer in the tractor. The redundant brake controller is further configured to take over as the master brake controller in response to determining that the primary brake controller can no longer serve as the master brake controller.
B60T 8/92 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means automatically taking corrective action
B60T 17/22 - Devices for monitoring or checking brake systems; Signal devices
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 7/12 - Brake-action initiating means for initiation not subject to will of driver or passenger
17.
System and Method for Identifying a Change in the Operator of a Vehicle
A system for identifying a change in the operator of a vehicle includes a controller configured to determine, during operation of the vehicle by a current operator of the vehicle over a period of time, a plurality of values for at least two variables associated with the current operator. The controller correlates the values for the two variables to form a plurality of data points which together form a point cloud associated with the current operator. The controller performs a comparison of the point cloud to a point cloud stored in a memory and associated with a prior operator of the vehicle and determines, responsive to the comparison, whether the current operator of the vehicle is the prior operator of the vehicle.
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
B60W 50/08 - Interaction between the driver and the control system
18.
Front End Motor-Generator System and Hybrid Electric Vehicle Operating Method
A system and method are provided for integrated electrification of vehicle accessories conventionally driven by an internal combustion engine in which an electric motor is coupled to a common accessory drive that drive a plurality of accessories, such as a power steering pump, an air conditioning compressor, an air compressor, a thermodynamic heater and/or a coolant pump. The integrated electrified accessory unit preferably has the electric motor, accessory drive and accessories arranged in a common housing which is configured to be mounted to a chassis frame rail of the vehicle, the common housing including wall penetrations which facilitate rapid connection of the accessories to external lines of the vehicle.
F02B 67/06 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
19.
Multi-Circuit Braking System for Brake Blending on an Electric Driveline Equipped with Pneumatic Control
A brake controller determines if an amount of regenerative braking needed to achieve a requested deceleration will exceed a driveline capability of a tractor. If it will, the brake controller redistributes some of the requested deceleration to a braking system of a trailer. That way, the requested deceleration can be achieved by the combination of regenerative braking of the tractor and the braking system of the trailer. Other braking mechanism(s) of the tractor can also be used, if needed.
B60T 8/34 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
B60T 8/40 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the br
B60T 8/1761 - Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
20.
System and method for monitoring cervical measurement of a driver and modifying vehicle functions based on changes in the cervical measurement of the driver
System and methods that utilize driver facing cameras to monitor a neck size of a driver and to modify vehicle operations as an increase in neck size is detected are disclosed. In one form, a system includes a memory; an imaging device configured; and at least one processor in communication with the memory and the imaging device. The at least one processor is configured to receive an image of the interior of the vehicle captured by the imaging device; analyze the image and determine a parameter associated with a neck size of a driver of the vehicle that is present in the image; determine that the parameter associated with the neck size of the driver present in the image has increased more than a predetermined value; and modify an operation of the vehicle based on the parameter associated with the neck size of the driver present in the image increasing more than the predetermined value.
B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
G06V 20/59 - Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
G06V 10/26 - Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
B60W 50/04 - Monitoring the functioning of the control system
21.
SYSTEM AND METHOD OF ENABLING A USER TO RETROFIT A VEHICLE WITH AT LEAST ONE VEHICLE PRODUCT
A vehicle controller programming system is provided for enabling a user to program a vehicle controller for a vehicle that is being retrofitted with the vehicle controller. The system comprises a data storage unit for storing a database of a plurality of configurators and a corresponding database of a plurality of vehicle product portfolios. Each configurator and its corresponding portfolio are associated with a specific vehicle specification. The system also comprises a user interface unit for (i) receiving a set of vehicle characteristics that is associated with the vehicle, (ii) selecting one of the configurators and its corresponding portfolio based upon the set of vehicle characteristics, and (iii) creating a job based upon the selected configurator and its corresponding portfolio to enable a user to execute the job to program the vehicle controller.
Vehicle fleet management includes processing event-based data corresponding to detected events to generate event data sets that include: at least video corresponding to the event and data identifying an event-type for the event. One or more pedagogical event pairs are identified, each of which includes a first event data set reflecting a “good” response to an event-type and a second event data set reflecting a “bad” response to the event-type. At least one cluster of drivers having similar occurrence rates for the event-type is identified. One or more training lessons are generated for the cluster based on the event type, which training lessons include at least the video of the first event data set and the video of the second event data set. The training lessons are administered to a driver of the cluster via a computing device. The autonomous control of one or more vehicle systems is instituted based on the administered training lessons.
A bridge for a disc brake caliper includes a body defining a first bore disposed about an axis. The first bore includes a plurality of threads. The body further defines a second bore extending radially from an outer surface of the body into the first bore. A tube is received within the first bore and supports a tappet at one end for engaging a friction pad. The tube is configured to receive one end of an adjustment shaft of a friction pad wear adjuster therein. The tube defines a plurality of threads on a radially outer surface configured for engagement with the plurality of threads in the first bore and at least one of the plurality of threads on the first tube defines a plurality of teeth. A detent extends through the second bore and engages the teeth to inhibit rotation of the tube within the body.
A friction pad carrier for a vehicle disc brake includes a frame having an aperture through which a portion of a rotor rotating about a rotational axis extends. The frame mounts friction pads on opposite sides of the rotor. The frame includes lugs proximate each end that receive fasteners coupling the frame to an anchor plate mounted on an axle of the vehicle. The fasteners permit some amount of surge movement and sway movement between the frame and the anchor plate in a plane at the interface between the frame and the anchor plate and yaw movement about an axis perpendicular to the plane. A first alignment pin between one of the lugs and the anchor plate inhibits the amount of surge movement and sway movement and a second alignment pin between one of the lugs and the anchor plate inhibits the amount of yaw movement.
F16D 55/227 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins by two pins
A system for assessing operating conditions for a vehicle includes. a power source and first and second sensors coupled to the power source and configured to generate corresponding first and second sensor signals indicative of first and second operating conditions of the vehicle. The second operating condition is indicative of an operating state of the vehicle. A transmitter is coupled to the power source and configured to transmit an informational signal responsive to the first sensor signal. A controller is configured to receive the second sensor signal, determine, responsive to the second sensor signal, whether the operating state of the vehicle meets a predetermined condition and then provide control signals to one or both of the first sensor and the transmitter to control the sampling rate of the first sensor and/or the transmission rate of the transmitter depending on whether the operating state meets the predetermined condition.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
B60C 23/02 - Signalling devices actuated by tyre pressure
26.
SYSTEM AND METHOD FOR PROVIDING A DRIVER OF A VEHICLE WITH FEEDBACK FOR SELF-COACHING
A method of providing a driver of a vehicle with feedback for self-coaching, via a driver electronic device includes querying a server from access software on the driver electronic device, wherein the querying comprises querying the server with a query comprising a predefined driver; receiving, by the access software, driver coaching data associated with the predefined driver, the driver coaching data being based on an output from an active safety system on the vehicle; listing, by the access software, a user-selectable item representing the received driver coaching data via a display of the driver electronic device; and conveying the driver coaching data to the driver.
A tamper detection system for a controller includes a housing, a circuit board mounted in the housing, a voltage input line on the circuit board receiving an operating voltage, a light detection circuit mounted on the circuit board receiving the operating voltage from the voltage input line and a signal conditioning device conditioning the operating voltage and connected to the light detection circuit. The light detection circuit interrupts the operating voltage at the signal conditioning device in response to detecting a source of light having a light value greater than a threshold.
B60R 25/30 - Detection related to theft or to other events relevant to anti-theft systems
G01J 1/42 - Photometry, e.g. photographic exposure meter using electric radiation detectors
B60R 25/01 - Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
B60R 25/20 - Means to switch the anti-theft system on or off
A system for opportunistic imaging includes an imaging device that generates data comprising a plurality of sequential image frames. The system also includes a control module that causes the imaging device to generate standard-resolution image frames at a standard-frame rate and a standard-resolution, such that there is a processing time lull between the generation of sequential standard-resolution image frames. The control module also causes the imaging device to generate one or more burst-resolution image frames at a burst-frame rate and a burst-resolution within the processing time lull.
H04N 5/232 - Devices for controlling television cameras, e.g. remote control
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
29.
Parking Brake Apparatus for a Vehicle and Method Therefor
A parking brake apparatus is provided for a vehicle including a vehicle drive train that extends between a vehicle propulsion engine and a vehicle wheel. The parking brake apparatus comprises a wheel drum located away from the vehicle wheel and fixedly attached to a drivetrain shaft that extends along a portion of the vehicle drive train between the vehicle propulsion engine and the vehicle wheel. The parking brake apparatus also comprises activatable drum brake components disposed in an interior chamber of the wheel drum. When activated, the drum brake components apply a clamping force to the wheel drum to prevent the wheel drum and the drivetrain shaft fixedly attached thereto from rotating and thereby preventing the vehicle wheel from rotating to provide the vehicle with a parking brake functionality.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
B60T 7/12 - Brake-action initiating means for initiation not subject to will of driver or passenger
F16D 65/28 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
A controller and method for controlling trailer service braking on a tractor-trailer vehicle are provided. The controller receives a signal from a trailer hand control apparatus, disposed in the cab of the tractor, that is manually activated by a driver. The signal received by the controller includes a differential signal obtained from two sensors having values that change in opposite directions based on movement of the trailer hand control apparatus. Based on the signal, the controller outputs a control signal that is output to a valve controller which controls the application of the trailer service brakes.
B60T 7/20 - Brake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
B60T 13/66 - Electrical control in fluid-pressure brake systems
31.
System and Method for Driving Style Driver Identity Determination and Control of Vehicle Functions
A system for controlling a vehicle based on a driving style determined driver identity includes sensors that capture driving-style-based data characterizing a driving style of an unknown driver. The system also includes a control unit that determines a driving style vector of the unknown driver from the captured driving-style-based data. The control unit compares the driving style vector of the unknown driver to driving style vectors of a plurality of known drivers to generate a similarity score for each of the plurality of known drivers. The control unit ranks the plurality of known drivers according to their respective similarity scores, and identifies the unknown driver as at least one of the ranked known drivers based on the respective similarity scores. The control unit controls vehicle systems based on the identification of the unknown driver.
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
G06V 20/59 - Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
G06F 16/2457 - Query processing with adaptation to user needs
A pressure control valve includes an upper body, a lower body affixed to the upper body, a supply passage in the upper body, a delivery passage in the upper body, an exhaust passage in the lower body and a pivotable member positioned between the supply passage and the delivery passage. The pivotable member has a generally curved body, a first leg, a second leg and a third leg extending from the body. The pivotable member pivots on the second leg and the third leg in response to air pressure in the supply passage being less than the air pressure in the delivery passage. The positioning of the pivotable member restricts air from flowing from the delivery passage to the supply passage, thereby opening a path for the air to pass to the exhaust passage.
A lane detection system for a vehicle includes at least one sensor for sensing lane markers and objects in the vicinity of a host vehicle, a driver interface in the host vehicle, and a controller having control logic. The control logic receives signals from the at least one sensor, determines a present lane of travel based on the sensor signals received, determines that a time that the host vehicle has been in the present lane of travel meets or exceeds a predetermined time, and transmits an alert signal to the driver interface in response to the time meeting or exceeding the predetermined time.
B60K 28/00 - Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
A system and method for monitoring a driver's operation of a vehicle and automatically providing a lesson to a driver based on the driver's operation are provided. Input data generated by an onboard vehicle computing system specifying actions taken by the driver while operating the vehicle are received. Based on the input data, a determination is made whether a driving event has occurred that requires the lesson to be output to the driver. The driving event is analyzed based on threshold data stored in the memory, and based on the results of the analysis of the driving event one or more lessons are automatically output to the driver. Additionally, the driver's completion of the lesson can be monitored, and subsequent instances of the driver's operation of the vehicle may include controlling movement of the vehicle based on the results of the analysis of the driving event.
A commercial vehicle includes at least one driven axle, a service brake, at least one propulsion engine, and wheels. A parking brake function of the vehicle is achieved by a bistable locking means that acts on both wheels. A first and second multi-speed gearbox having respective first and second gear stages are each activated by an actuator and coupled to the wheels. The parking brake function is achieved at least in-part by concurrently activating the first and second gear stages. A computing device is configured to activate the bistable locking means when the commercial vehicle is at a standstill and configured to send a brake request via an electronic signal to an electronic brake control unit to activate the service brake.
B60T 7/08 - Brake-action initiating means for personal initiation hand-actuated
B60T 1/00 - Arrangements of braking elements, i.e. of those parts where braking effect occurs
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
F16D 11/14 - Clutches in which the members have interengaging parts with clutching members movable only axially
B60T 7/04 - Brake-action initiating means for personal initiation foot-actuated
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
An interface module for a vehicle comprises a circuit board having a light emitting device and at least one stationary light pipe for conveying the light emitted from the light emitting device. The interface module also includes at least one electromechanical switch having a moveable actuation member and a feedback device associated with moveable actuation member. The feedback device aligns with the at least one stationary light pipe when the at least one electromechanical switch is assembled in the interface module, wherein the light emitted from the light emitting device is visible through the feedback device.
A parking brake apparatus for a vehicle includes a parking brake controller controlling a parking brake system and arranged to obtain one or more input signals indicative of one or more actions from one or more vehicle systems other than the parking braking system. The parking brake controller is also arranged to provide one or more control signals to be applied to components of the parking brake system to apply parking brakes based upon an adaptive time delay to prevent a vehicle rollaway when the one or more input signals are indicative of the one or more actions meeting respective one or more predetermined conditions.
A system for controlling vehicle functions based on monitored driving performance includes one or more sensors that capture performance-based data characterizing driving-performance implicating behaviors of a driving team during one or more driving campaigns. The performance-based data is analyzed according to one or more performance indicators to determine a compatibility score for the driving team that characterizes how driving team composition affects driving performance. One or more vehicle functions can then be controlled one or more vehicle functions based on compatibility scores for various driving teams.
A system for controlling a level of communication signals broadcast onto an associated power line communication (PLC) network by an associated transmitting device includes an input circuit, an adjustable amplifier circuit, and an output circuit. The input circuit receives a first communication signal having a first signal level from the associated transmitting device. The adjustable amplifier circuit applies a selectable gain to the first communication signal based on one or more of a monitored condition of the associated vehicle and/or a monitored condition of the associated PLC network to generate a level-adjusted communication signal having a second signal level different than the first signal level of the first communication signal. The output circuit receives the level-adjusted communication signal and broadcasts the level-adjusted communication signal onto the associated PLC network.
A system for determining vehicle direction includes an active wheel speed sensor (aWSS), an exciter ring for inducing a change in a signal from the aWSS and a controller. The controller receives a first series of signals from the aWSS, compares them to an array of predefined signals and determines the direction of travel based on the first series of signals matching the array. The controller receives a second series of signals and determines the exciter ring has an anomaly in response to at least one signal in the second series of signals having a first variance. The controller updates the array of predefined signals to include a representation of the first variance to create an array of updated signals. The controller determines the direction of travel based on a subsequent series of signals matching one of the array of predefined signals and the array of updated signals.
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
G01P 21/02 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass of speedometers
B60T 8/171 - Detecting parameters used in the regulation; Measuring values used in the regulation
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
G01P 13/04 - Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
41.
Electronic Logging Device Exempt Digital Fleet Management Solution
An electronic logging device exempt digital fleet management solution for short haul trucking fleets to comply with the short haul exception for fleets that are exempt from using Electronic Logging Devices (ELDs) to track their drivers' activities. The solution includes a mobile application for drivers used while on duty to capture their time, location, status, documents, and inspection report data. The data is transmitted and stored in one or more databases accessed by a backend user accesses and compiles additional data collected from the mobile apps to provide fleet users with access and services related to the driver data. The application includes two way messaging between the driver and the backend website user as well as document scanning and upload for items required for bills of lading or the like. The intended users of the invention are commercial trucking fleets or owner/operator fleets that are exempt from using Electronic Logging Devices (ELDs) to track driver activities as mandated by the Federal Motor Carrier Safety Association (PMCSA) under the ELD rule.
A tooth driven over-torque protection mechanism for use in a slack adjuster or as an air disc brake clutch, includes a shaft, toothed gear, a clutch device, a first spring, and a second spring. The toothed gear is disposed on the shaft. The toothed gear has a first pinion teeth set that extends along a first direction and a second teeth set that extends along a second direction. The clutch device that is also disposed on the shaft and includes an upper cam and a lower cam. The first spring biases the toothed gear against the clutch device. The second spring biases the clutch device against the toothed gear. The upper cam has cam teeth that cooperate with the second teeth set of the toothed gear in a torque transmitting manner, such that a torque applied in a clockwise direction to the first pinion teeth is transmitted to the upper cam through the second teeth set, but torque applied in a counterclockwise direction is opposed by the first spring.
A mount for securing an element such as a radar transceiver on a vehicle includes a bracket securable to a vehicle bumper or other component. A cover plate is securable to the vehicle component opposite the bracket, and fasteners are extended through the cover plate and the bracket to clamp the bracket and the cover plate against opposite sides of the vehicle component, with the radar transceiver or other element located between the cover plate and a base of the bracket. An alignment arrangement may be included to permit changes to the positioning of the radar transceiver or other element between the cover plate and the base of the bracket for proper transceiver alignment. A process of securing a radar transceiver or other element on a vehicle is also described.
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
B60R 19/48 - Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
B60R 19/24 - Arrangements for mounting bumpers on vehicles
A monitoring system for a combination vehicle comprises at least one image capture device mounted on a tractor, which has a trailer mounted control system within its field of view. The trailer mounted control system has a visual indicator. A controller is associated with the at least one image capture device. The controller captures images of the visual indicator, determines if the visual indicator meets a predetermined event condition and provides notification to at least one of a driver of the tractor and a remote fleet operator in response to the visual indicator meeting the predetermined condition.
An installation system for an associated housing includes a sensor and a tool. The sensor includes: a barrel portion, a sensing end of the barrel portion, a non-sensing end of the barrel portion, an over-mold portion at the non-sensing end, and a wire extending from the non-sensing end. The tool includes a handle and an applicator secured to the handle. The applicator includes a first applicator portion, a second applicator portion, and a channel. When the over-mold portion of the sensor is proximate to a channel opening and the channel opening is blindly inserted into the associated housing opening, a force applied to the handle along an angle relative to the longitudinal axis of the handle frictionally seats the sensor in the associated housing.
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
A vehicle-based safety intervention system receives sensor data collected or generated by an onboard computing system of a vehicle. The sensor data is divided into a plurality of blocks, each of the blocks having a duration. A driver behavioral model is applied to one or more of the plurality of blocks to generate one or more driver behavioral parameters. A trend of the one or more driver behavioral parameters is extracted from the plurality of blocks. Based on the extracted trend, it is determined that a driver's performance when operating the vehicle is unsatisfactory or will be unsatisfactory in the future. A vehicle-based intervention is generated based on the determination that the driver's performance is unsatisfactory or will be unsatisfactory in the future.
A control device for a recorder in an associated vehicle includes a processor and an input port operatively coupled with the processor. The input port receives a parking brake status signal comprising parking brake data representative of a parking brake status. A non-transient memory device is operatively coupled with the processor. The non-transient memory device stores parking brake status data representative of whether the parking brake is engaged. Control logic stored in the non-transient memory device is executable by the processor to: determine a parking brake status as engaged based on the parking brake data. An output port is operatively coupled with the processor. The output port transmits a recording control signal enabling the recording based on the determined parking brake status.
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
B60R 11/04 - Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
B60R 21/015 - Electrical circuits for triggering safety arrangements in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, e.g. for disabling triggering
Systems and methods monitor driver behavior for vehicular fleet management in a fleet of vehicles using driver-facing imaging device. The systems and methods herein relate generally to vehicular fleet management for enhancing safety of the fleet and improving the performance of the fleet drivers, and further relate to monitoring the operation of fleet vehicles using one or more driver-facing imaging devices disposed in the fleet vehicles for recording activities of the fleet drivers and their passengers, storing information relating to the monitored activities, selectively generating warnings related to the monitored activities, and reporting the monitored activities to a central fleet management system for use in enhancing the safety of the vehicles of the fleet and for helping to improve the performance of the fleet drivers.
G06V 20/59 - Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
Vehicle event detection and reporting systems and methods include sensor systems that capture event data from which events involving the vehicle are determined, the sensor systems including a driver facing camera that captures images of a driver's seat area. The driver facing camera also captures images of a barcode presented to the driver facing camera, and the detected events are associated with a driver identification determined from the captured image of the barcode.
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G06K 7/14 - Methods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06V 20/40 - Scenes; Scene-specific elements in video content
G06V 20/59 - Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
50.
Method and parking brake apparatus for an autonomously drivable vehicle
A parking brake apparatus is provided for an autonomously drivable vehicle having components of a parking brake system for applying a parking brake. The parking brake apparatus comprises a first controller arranged to provide one or more control signals to be applied to components of the parking brake system to apply the parking brake in response to a signal requesting the parking brake to be applied. The parking brake apparatus also comprises a second controller arranged to provide one or more control signals to be applied to other components of the parking brake system to apply the parking brake in response to unavailability of the first controller to cause the parking brake to be applied.
B60T 8/92 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means automatically taking corrective action
B60T 7/12 - Brake-action initiating means for initiation not subject to will of driver or passenger
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
B60T 15/18 - Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed-air or vacuum source or atmosphere
B60T 17/08 - Brake cylinders other than ultimate actuators
F16H 59/54 - Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
The system assigns a plurality of drivers to one or more identified routes. An onboard computing system of a vehicle collects or generates a plurality of vehicle events, which are received at a server via a network. The onboard computing system includes a plurality of sensors and subsystems that are connected to monitor various vehicle components, such as braking, steering, and radar, as well as one or more cameras. A difficulty of each of the identified routes is characterized based on the plurality of vehicle events. A performance of each driver is characterized based on a subset of the plurality of vehicle events collected or received from the vehicle of each driver.
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
A system for recording vehicle occupants and their immediate environment includes a driver-facing camera for capturing video data, an input that receives data from one or more sensors configured to detect vehicle related data and a processor. The processor is configured to embed, based on the sensor data, at least one indicator in a portion of the video data. The indicator designates that the portion of the video data is to be obscured during playback of the video data.
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
H04N 23/611 - Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
H04N 23/65 - Control of camera operation in relation to power supply
H04N 23/667 - Camera operation mode switching, e.g. between still and video, sport and normal or high and low resolution modes
G06V 10/22 - Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
53.
Heavy-duty vehicle frame rail clamp on mounting bracket, and method of installing the same
A heavy-duty vehicle frame rail clamp on mounting bracket includes a first member, a second member, a third member, and at least one fastener. The third member is configured to contact the first member and the second member. The at least one fastener is applied to the third member. Upon a fastening thereof, the at least one fastener is configured to generate a clamping force on the first member and on the second member. The first member and the second member have a same shape.
An integrated brake spider and mounting bracket arrangement for a drum brake includes a brake spider with a spider mounting section, having openings through which fasteners may pass to secure the brake spider to an axle flange of a vehicle. The spider is also provided with a base section having an attachment surface for a bracket, and the bracket is secured by way of a metal fabrication process to the attachment surface of the base section and to actuator support structure adapted to support an actuator for the drum brake.
A device for detecting nefarious communication signals in a vehicle includes a detection support logic, a nefarious logic, a filtering circuit, and a microcontroller. The device receives a measurement signal from the detection support logic. The device determines a characteristic of an alternating current (AC) signal during communication at a first time on a wiring harness of the vehicle based on the measurement signal. The device determines the characteristic of the AC signal at a second time based on the measurement signal. The device determines that the characteristic measured during the first time differs from the characteristic measured during the second time. The device transmits a blocking signal to the nefarious logic to filter a frequency band of a communication conductor of the wiring harness in response to the determination that the characteristic measured during the first time differs from the characteristic measured during the second time.
H04L 29/06 - Communication control; Communication processing characterised by a protocol
H04L 29/08 - Transmission control procedure, e.g. data link level control procedure
H04W 12/122 - Counter-measures against attacks; Protection against rogue devices
H04W 4/48 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
H04W 12/128 - Anti-malware arrangements, e.g. protection against SMS fraud or mobile malware
H04W 12/125 - Protection against power exhaustion attacks
H04L 29/12 - Arrangements, apparatus, circuits or systems, not covered by a single one of groups characterised by the data terminal
56.
Detection and Alerting of Vehicle Safety System Issues
A system detects vehicle safety system issues present within a fleet vehicle. A plurality of diagnostic trouble codes (DTCs) collected or generated by an onboard computing system of the vehicle are received via a network. The system determines two or more of the DTCs occurred within a predetermined threshold. The two or more DTCs correspond to different sources within the vehicle. A common theme is determined between the plurality of DTCs having different sources. The two or more DTCs that occurred within the predetermined threshold are correlated with a vehicle safety system issue stored in an issue database. An alert is transmitted based on the correlated vehicle safety system issue to a recipient via the network.
G07C 5/00 - Registering or indicating the working of vehicles
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
A one piece drum brake spider construction eliminates welds and distortion, at least relative to a typically fabricated spider, and should improve brake performance. The spider includes a main body plate having opposed flat sides, an outer perimeter, and an inner perimeter configured to receive an axle tube. Vibration control structure is preferably formed on at least one of the opposed flat sides of the main body plate, and the brake drum spider additionally includes weight minimizing features. At least the main body plate may be produced by any of a casting technique, a stamping technique, a machining technique, and an additive manufacturing technique. The invention also concerns a process of producing such a brake drum spider.
An interface between an adapter push rod and a parking brake diaphragm seal includes an axial projection at one end of the push rod, a thread extending axially between a free end of the projection and a remainder of the push rod, and a washer having an approximately conical wall extending radially inwardly from an outer circumference of the washer towards a central mounting connection having a radial flange. A nut is threaded over the free end of the projection, and an opening in a hardened element is aligned axially with the projection to receive the projection. A circumferential groove defined in a side of the radial flange forms a boundary between the approximately conical wall and a remainder of the washer, and a portion of the diaphragm seal is pressed by the nut and the hardened element into the circumferential groove to produce a sealing bead.
A system for monitoring driver performance includes a server system that generates a performance model based on driver performance related data received from a plurality of vehicles. The performance model mathematically characterizes the crowd wisdom for a driving behavior under a set of driving circumstances. The system also includes the plurality of vehicles, each having an on-vehicle system that compares driver performance related data characterizing the driving behavior performed by the driver of the vehicle under the set of driving circumstances to the performance model so as to determine a deviation score therebetween. The deviation scores for the driving behavior are accumulated over a predetermined period of time, and a divergence indicator is triggered in response to an accumulated deviation score value exceeding one or more predetermined thresholds.
A self-adjusting automatic slack adjuster for reducing slack in the brake of a vehicle includes an adjuster link having a resilient portion. When a brake application force being applied to the slack adjuster exceeds a level that could result in brake application linkage damage as a result of the slack adjuster's slack adjustment mechanism having reached a travel limit, the resilient portion of the adjuster link permits the axial length of the adjuster link to change to accommodate the high brake application force in order to minimize or preclude damage to the brake application linkage.
A system for automatically parking a commercial vehicle comprises a service brake system having at least one braking valve, a braking controller for controlling the service brake system, and an advanced driver assistance system (ADAS) controller. The ADAS controller communicates with the braking controller and requests activation of the service brakes of the commercial vehicle until the vehicle is stationary. The braking controller, in response to the ADAS controller requesting activation of the service brakes, determines the commercial vehicle should remain stationary and activates at least one braking valve to exhaust system pressure to mechanically park the vehicle.
Sensor assemblies incorporating a temperature varying resistor provide information regarding the temperature of the operating environment for a sensor or protect the sensor from extreme temperatures. The assembly includes only two conductors—one transmitting current from a power source and another transmitting an output signal. In one embodiment, the assembly includes a sensor and a temperature varying resistor in parallel between the conductors with the output signal including information regarding a value of a variable measured by the sensor and information regarding a temperature of an operating environment for the sensor. In another embodiment, the sensor and temperature varying resistor are in series between the conductors with the output signal including information regarding a value of a variable measured by the sensor and the temperature varying resistor preventing delivery of current to the sensor when a temperature of the operating environment for the sensor meets a predetermined condition.
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
G01P 3/481 - Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
A brake wear sensing assembly for an air disc brake includes a progressive wear sensor, at least one lining wear sensor, a control device, a wire harness connected to the control device and an adapter for joining the progressive wear sensor and the lining wear sensor to the wire harness. The adapter connects a power line to the progressive wear sensor, a ground line to the progressive wear sensor and an input to the output of the at least one lining wear sensor. An output signal from the progressive wear sensor is connected to the input of the at least one lining wear sensor. The signal from the progressive wear sensor passes through the at least one lining wear sensor to the control device such that the progressive wear sensor and the at least one lining wear sensor are in series with each other.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
F16D 66/00 - Arrangements for monitoring working conditions of brakes, e.g. wear or temperature
64.
Detection of safety system tampering via DTC analysis
A system detects tampering of an electronic system of a vehicle operated by a driver. The system receives historical occurrences of at least one diagnostic trouble code (DTC) generated by the onboard vehicle computing system based on sensor data received from a vehicle sensor during a trip. The system identifies a length of the trip and a speed of the vehicle when each DTC was generated. The system identifies a distance the vehicle had traveled when each DTC was generated. The system determines a subsequent trip was started, whether a driver operating the vehicle on the subsequent trip is a same driver or a new driver, whether DTCs were generated during the trip, and whether DTCs were generated during the subsequent trip. The system determines a tamper rating for the driver that indicates a likelihood that the driver has tampered with the vehicle.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B60R 25/30 - Detection related to theft or to other events relevant to anti-theft systems
B60R 25/32 - Detection related to theft or to other events relevant to anti-theft systems of vehicle dynamic parameters, e.g. speed or acceleration
B60R 25/20 - Means to switch the anti-theft system on or off
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G06Q 10/0635 - Risk analysis of enterprise or organisation activities
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
65.
System and method for controlling an electronic parking brake
A system controlling an electronic parking brake of a vehicle includes an input device receiving an input pattern from an operator and a parking brake controller receiving the input pattern from the input device. The parking brake controller determines if the input pattern is a respective predetermined pattern for setting the electronic parking brake to one of a primary mode and a secondary mode. If the parking brake controller determines the input pattern is the predetermined pattern for setting the electronic parking brake to the secondary mode, the parking brake controller transmits an electronic control signal for releasing the electronic parking brake until a subsequent input pattern received by the input device is the predetermined pattern for setting the electronic parking brake to the primary mode.
A wheel speed sensor comprises a body, the body being overmolded and having a head zone and a coil zone. The wheel speed sensor also includes a cylindrical metallic canister fitted on the coil zone of the body, wherein the head zone has an equal or smaller diameter than the cylindrical metallic canister. The wheel speed sensor also comprises a cable, wherein the cable extends from the head zone. The wheel speed sensor is sized to be blindly insertable entirely through a bore in an associated mounting apparatus.
A sealing assembly for installation on a port of a spring brake actuator includes a plug, a one-way valve and a cap. The plug receives the one-way valve for providing one-way air flow through the orifices and maintaining about two psi in the spring brake chamber at zero stroke. An elastomeric piece is affixed to a first set of segments of the plug for sealing against an inner surface of the port. The cap has arms sized to extend around a third set of segments of the plug and snap onto the plug. A fourth set of segments of the plug elastically deform so the sealing assembly can be installed and removed from the port easily.
A parking brake apparatus is provided for a power unit having air brake parking components and to which a towed unit having air brake parking components can be connected. The parking brake apparatus comprises a controller arranged to monitor a pressure signal indicative of a delivery air pressure applied to the air brake parking components of the towed unit when the towed unit is connected to the power unit. The controller is also arranged to provide a status signal indicative of whether or not a towed unit is connected to the power unit based upon the pressure signal. The controller further enables the status signal to be processed to control application or release of any combination of air brake parking components of the power unit and the towed unit to park or unpark the power unit as well as the towed unit, if connected to the power unit.
A parking brake controller comprises at least one input for receiving a signal indicative of at least one vehicle factor, a control input for receiving a request to unpark the vehicle, an output for transmitting a control signal to a parking brake valve and control logic. The control logic determines the at least one vehicle factor indicates the vehicle can be unparked, determines an unpark request has been received, and transmits a control signal to the parking brake valve only in response to the unpark request being received while the at least one vehicle factor is being met.
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 7/20 - Brake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
B60T 13/66 - Electrical control in fluid-pressure brake systems
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
70.
GENERATING AN IMAGE OF THE SURROUNDINGS OF AN ARTICULATED VEHICLE
Systems and methods for generating an image of the surroundings of an articulated vehicle are provided. According to an aspect of the invention, a processor determines a relative position between a first vehicle of an articulated vehicle and a second vehicle of the articulated vehicle; receives a first image from a first camera arranged on the first vehicle and a second image from a second camera arranged on the second vehicle; and combines the first image and the second image based on the relative position between the first vehicle and the second vehicle to generate a combined image of surroundings of the articulated vehicle.
H04N 5/262 - Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects
B60R 1/00 - Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 11/00 - Measuring arrangements characterised by the use of optical techniques
G01S 11/12 - Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
G06K 9/52 - Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
A valve for an air brake system on a commercial vehicle comprises a body, an inlet port connected to the body and at least one delivery port connected to the body. The inlet port has a threaded portion distal to the body and a hex portion proximate to the body. The hex portion includes a frangible feature in substantially the mid-point of the hex portion such that the valve can easily be removed from an air brake reservoir when the valve is broken at the frangible feature.
An apparatus for cooling a high heat-generating vehicle component includes an air compressor assembly operable in a heat-generating mode, in which the air compressor assembly has a relatively low capability to absorb heat energy from a coolant that has passed through a high heat-generating vehicle component. The coolant may be passed through a heat exchanger submerged in an oil reservoir of the air compressor assembly to facilitate the heat exchange. The air compressor assembly can also be operated in a non-heat-generating mode, in which the air compressor assembly has a relatively higher capability to absorb heat energy from the coolant that has passed through the high heat-generating vehicle component.
F02C 7/00 - Features, component parts, details or accessories, not provided for in, or of interest apart from, groups ; Air intakes for jet-propulsion plants
F16N 39/02 - Arrangements for conditioning of lubricants in the lubricating system by cooling
F25B 1/00 - Compression machines, plants or systems with non-reversible cycle
F01P 3/20 - Cooling circuits not specific to a single part of engine or machine
F01P 3/12 - Arrangements for cooling other engine or machine parts
F01M 5/00 - Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
A fleet management server includes a memory and a processor. The processor is configured to: receive past event data associated with at least one vehicle and at least one driver, the past event data representing at least one respective past vehicle event that occurred when one of the drivers was driving one of the vehicles; receive respective predetermined classifications of the past vehicle events that were previously manually assigned based on respective contemporaneous videos of the past vehicle events; receive novel event data representing at least one respective novel vehicle event; automatically assign respective ones of the predetermined classifications to the novel vehicle events based on the previous manually assigned classifications to the past vehicle events; and output, to a user of the fleet management server, the respective automatically assigned predetermined classifications of the novel vehicle events.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/00 - Registering or indicating the working of vehicles
G06N 3/04 - Architecture, e.g. interconnection topology
A commercial vehicle with at least one driven axle, at least one service brake, at least one propulsion engine, and wheels characterized in that the parking brake function of the vehicle is solved by a bistable locking means acting on both wheels. At least one multi-speed gearbox is provided to concurrently activate a first gear stage and a second gear stage having different ratios.
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
B60T 1/00 - Arrangements of braking elements, i.e. of those parts where braking effect occurs
B60T 7/08 - Brake-action initiating means for personal initiation hand-actuated
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
F16D 11/14 - Clutches in which the members have interengaging parts with clutching members movable only axially
B60T 7/04 - Brake-action initiating means for personal initiation foot-actuated
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
A commercial vehicle with at least one driven axle, at least one service brake, at least one propulsion engine, and wheels characterized in that the parking brake function of the vehicle is solved by a bistable locking means acting on both wheels. At least one multi-speed gearbox is provided to concurrently activate a first gear stage and a second gear stage having different ratios.
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
H02K 7/108 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
B60T 1/00 - Arrangements of braking elements, i.e. of those parts where braking effect occurs
B60T 7/08 - Brake-action initiating means for personal initiation hand-actuated
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
F16D 11/14 - Clutches in which the members have interengaging parts with clutching members movable only axially
B60T 7/04 - Brake-action initiating means for personal initiation foot-actuated
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
A compressed air supply apparatus for heavy vehicles includes a service reservoir, an air dryer in communication with the service reservoir, a purge reservoir in communication with the air dryer, a compressor for delivering compressed air through the air dryer preferentially to the purge reservoir and then to the service reservoir and a controller. The controller interrupts the charge cycle of the compressor in response to a moisture accumulation value being equal to or exceeding a wetness threshold value and the pressure in the service reservoir being within a predetermined pressure range. The controller then initiates a modified purge cycle of the air dryer, which includes iteratively regenerating the air dryer with air from the purge reservoir until at least one of the moisture accumulation value is less than the wetness threshold value and the pressure in the service reservoir is outside the predetermined pressure range.
A wheel speed sensor assembly includes a sensor having a housing configured to be received within a bore in a mounting block such that the sensor is spaced from, and faces, an exciter ring and senses rotation of the exciter ring. The housing extends along a longitudinal axis and defines a key on a radially outer surface having first and second portions having different heights. The first portion is configured to be received within a first keyway that is formed in the mounting block and is in communication with the bore in the mounting block. A clamping sleeve is configured to secure the sensor within the bore in the mounting block. The clamping sleeve defines a bore configured to receive the housing of the sensor and a second keyway in communication with the bore in the clamping sleeve. The second portion of the key is received within the second keyway.
An effluent processing apparatus comprises a housing having an inlet port and a chamber. A coalescing element is located in the chamber and arranged coaxially with the inlet port. The coalescing element has pleats in a predefined pattern of paths arranged to separate oil and water from an effluent mixture containing air, oil, and water. The effluent mixture flows into the inlet port along an axis of the coalescing element. The effluent mixture is deflected by a portion of the housing to flow perpendicular to the axis along major surfaces of the pleats to separate oil and water from the effluent mixture.
A parking brake apparatus is provided for an autonomously drivable vehicle having components of a parking brake system for applying a parking brake. The parking brake apparatus comprises a first controller arranged to provide one or more control signals to be applied to components of the parking brake system to apply the parking brake in response to a signal requesting the parking brake to be applied. The parking brake apparatus also comprises a second controller arranged to provide one or more control signals to be applied to other components of the parking brake system to apply the parking brake in response to unavailability of the first controller to cause the parking brake to be applied.
B60T 8/92 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means automatically taking corrective action
B60T 7/12 - Brake-action initiating means for initiation not subject to will of driver or passenger
B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
F16H 59/54 - Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
B60T 15/18 - Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed-air or vacuum source or atmosphere
B60T 17/08 - Brake cylinders other than ultimate actuators
80.
Interface device interfacing tractor and towed unit networks in a combination vehicle
A device operatively couples a tractor ABS controller with TABS controllers in units towed by the tractor. A PLC interface circuit of the device communicates messages received from a PLC network of the towed units to a CAN network of the tractor via a CAN interface circuit. The device may also rebroadcast messages received from the PLC network back onto the PLC network, and may also wirelessly broadcast messages received from the PLC network back onto a wireless network. The device receives messages from the towed units at a message rate, determines a quantity of towed units from the message rate, and communicates the determined quantity of towed units on the CAN network of the tractor. The device receives messages indicating towed unit identification (ID) information, determines a quantity of towed units from the towed unit ID information, and communicates the determined quantity of towed units on the CAN network.
B60T 8/1761 - Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
B60T 8/40 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the br
A controller in a first vehicle includes an electrical input port adapted to receive a first electrical signal, based on a presence of a first service brake demand associated with a first brake valve on the first vehicle, and a second electrical signal, based on a presence of a second service brake demand associated with a second brake valve on the first vehicle. The controller is capable of determining if at least one of the first electrical signal and the second electrical signal indicates the respective presence of the first service brake demand and the second service brake demand. An electrical output port is adapted to transmit an electrical deceleration signal based on the presence of the at least one of the first service brake demand and the second service brake demand. A speed reducing mechanism on a second vehicle is applied based on the electrical deceleration signal.
A brake controller in a vehicle determines braking profiles that may be exercised while operating the vehicle in autonomous or semi-autonomous conditions to decelerate the vehicle based on received commands or that may be exercised automatically in the event of a failure in a communication network of the vehicle or in other systems or components of the vehicle. The braking profiles decelerate the vehicle according to a deceleration profile. The execution of the deceleration profile may be initiated by a single command message received by the brake controller or it may be determined by the brake controller based on vehicle information. A safe state deceleration profile may be preselected by the controlling devices before the occurrence of a failure or an emergency situation, and then executed by the brake controller upon the occurrence of a failure or emergency.
B60T 8/1761 - Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B60W 10/18 - Conjoint control of vehicle sub-units of different type or different function including control of braking systems
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
A method of manufacturing a camshaft for a drum brake includes designing a tubular camshaft and thereafter forming the camshaft as a unitary body through, for example, an additive manufacturing process. The camshaft is designed with a first end portion configured for coupling to a brake actuator, a second end portion defining a cam configured to engage cam followers coupled to first and second brake shoes, rotation of the cam causing the first and second brake shoes to move between positions of engagement and disengagement with an associated braking surface, and an intermediate portion disposed between the first and second end portions. A wall thickness of at least one of the end portions and the intermediate portion is configured to achieve at least one of a predetermined torsional stiffness in the camshaft and vibration damping in the camshaft at a selected frequency.
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
The rotor of an electric motor unit has a web portion partially enclosing the remainder of the unit and terminating in a circumferentially extending rim. The brake drum defines an engagement surface for drum brake linings, and has an outboard end defining a flange securable to the wheel hub. The brake drum also includes an open inboard end, partly covered over by a dust guard, and a circumferential wall extending between the outboard and inboard ends and surrounding the engagement surface. By way of keys and slots or recesses, a reinforcing ring interlocks the circumferentially extending rim of the web portion and the circumferential brake drum wall. The reinforcing ring is secured to the circumferentially extending rim and to the wall of the brake drum at a location disposed axially between the rim of the web portion and the brake drum lining engagement surface.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
F16D 65/827 - Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
85.
Unitary bracket for mounting a brake assembly and brake actuator
A bracket for a brake assembly and a brake actuator includes a unitary body including a tube configured to receive a camshaft of the brake assembly and an actuator mounting arm disposed proximate a first end of the tube and configured to receive the brake actuator. In some embodiments, the tube includes one or more helical ribs formed on a radially inner surface. The bracket further includes either a brake spider or a brake spider mounting flange disposed proximate a second end of the tube. In either embodiment, material may be omitted in various locations to reduce the weight of the bracket. The bracket may be formed through an additive manufacturing process and in a manner that achieve at least one of a predetermined torsional stiffness and attenuation of a predetermined natural frequency.
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/20 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
F16D 65/09 - Pivots or supporting members therefor
F16D 65/22 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart
A tractor controller for controlling trailer brake applications comprises an input for receiving a signal indicative of a trailer brake application and control logic. The control logic receives a signal indicating a trailer brake application is requested, compares the trailer brake signal to a predetermined signal profile, applies the trailer service brakes in response to the trailer brake signal meeting the signal profile and compares a duration of the trailer brake signal to first predetermined time. A warning is provided in response to the duration of the trailer brake signal being greater than a first predetermined time and the control logic discontinues the trailer service brake application in response to duration of trailer brake signal being greater than the second predetermined time.
A brake shoe for a drum brake includes a unitary body defining a brake table and one or more webs supporting the brake table. Each web has first and second ends. The first end is configured for pivotally coupling to an associated brake spider of the drum brake and the second end is configured to respond to a force applied by an actuator that causes the brake shoe to move between positions of engagement and disengagement with an associated braking surface. The unitary body further defines one or more supports extending between the two webs and/or between one of the webs and the brake table. In some embodiments, the supports comprise vibration dampers configured to deflect from an unloaded position to a loaded position in the presence of a load and to return to the unloaded position in the absence of the load.
A system for recording vehicle occupants and their immediate environment includes a driver-facing camera for capturing video data, an input that receives data from one or more sensors configured to detect vehicle related data and a processor. The processor is configured to embed, based on the sensor data, at least one indicator in a portion of the video data. The indicator designates that the portion of the video data is to be obscured during playback of the video data.
A drum brake assembly for use with a wheel end electric drive motor arrangement can generate brake dust, which may accumulate on the electric motor and cause heat retention problems that are detrimental to motor performance and longevity. These issues are addressed by providing an assembly including a support attachable to a vehicle axle element, brake shoes pivotally mountable on the support, and a wheel spindle interconnected with one end of the axle element. A wheel hub is rotatable around the spindle, and an electric motor unit is disposed between an end of the axle element and the spindle to produce rotation of the hub relative to the axle element. A brake drum is securable to the hub for rotation with the hub relative to the spindle by way of the electric motor unit. The brake drum includes a circumferential perimeter wall overlying the brake shoes, and a fan rotor is interconnected with that wall for rotation together with the drum and the wheel hub relative to the spindle. A perforated dust shield is attachable to the support on an axial side of the brake shoes opposite the fan rotor, such that, during vehicle operation, air drawn by blades on the fan rotor through openings in a wall of the brake drum carries debris out through perforations in the dust shield and away from the wheel end motor and brake assembly. A vehicle including the assembly mentioned and a process of ventilating that assembly are also discussed.
A system and method for determining the speed and direction of rotation of a wheel in a vehicle are provided. The system includes a tone wheel configured for rotation with the vehicle wheel and a wheel speed sensor facing the tone wheel. The sensor generates different pluralities of phase-shifted signals responsive to rotation of the tone wheel depending on the direction of rotation of the vehicle wheel. A controller receives one of the pluralities of phase-shifted signals from the sensor, receives a direction signal indicative of the direction of rotation of the vehicle wheel from a source other than the sensor, and associates the plurality of phase-shifted signals with the direction of rotation of the vehicle wheel indicated by the direction signal in a memory.
Dynamic braking capability of a combination vehicle including a tractor and at least one trailer is provided based on a distribution of the load carried by the combination vehicle. Load distribution is determined directly using load sensors disposed at wheel pairs of the tractor and trailer(s) or indirectly by using a load sensor located at the drive axle of the tractor together with engine torque and vehicle speed signals for determining gross vehicle mass. A database having sub-databases therein each storing stopping distance calculation results for a corresponding combination vehicle type e.g. 5-axle single or 8-axle double, is indexed by using the determined load distributions for providing the dynamic braking capability based on the vehicle type and its load distribution. The database may also be indexed using Axle Load Allocation Factor that is calculated based on a mathematical combination of drive, steering, and gross trailer axle loading.
G08G 1/00 - Traffic control systems for road vehicles
G05D 1/02 - Control of position or course in two dimensions
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
B60W 30/095 - Predicting travel path or likelihood of collision
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
92.
Using shared traffic information to support adaptive cruise control (ACC) between platooning vehicles
Systems and methods are provide for highway vehicle platoon maintenance management. Commercial highway vehicle platoon maintenance management is provided where it is desirable to determine traffic conditions around vehicles of the platoon, to share the determined traffic conditions with the other vehicles of the platoon, and to determine and share adaptive cruise control (ACC) parameters between the platooning vehicles for adjusting platoon inter-vehicle following distances based on the determined traffic conditions.
B60W 30/165 - Control of distance between vehicles, e.g. keeping a distance to preceding vehicle automatically following the path of a preceding lead vehicle, e.g. "electronic tow-bar"
An apparatus is provided for auto-locating positions of a plurality of wireless sensors on a vehicle. The apparatus comprises a receiving unit for receiving signals from the plurality of wireless sensors. The apparatus further comprises a processing unit arranged to calculate a probability value for each one of the plurality of wireless sensors based upon signals that have accumulated over a period of time to provide a table of probability values. Each probability value contained in the table during a calculation cycle of the processing unit is indicative of likelihood of one of the plurality of wireless sensors being located at a corresponding one of a plurality of positions on the vehicle. Each one of the plurality of wireless sensors is associated with the position having the highest probability value during the calculation cycle.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
B60T 17/22 - Devices for monitoring or checking brake systems; Signal devices
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
A parking brake apparatus is provided for a vehicle having components of a parking brake system. The parking brake apparatus comprises a parking brake controller arranged to (i) obtain a first signal indicative of whether a hill start assist system is installed on the vehicle, and (ii) provide one or more control signals to be applied to components of the parking brake system to apply parking brakes when the first signal is indicative of a hill start assist system installed on the vehicle is present and a second signal indicative of the hill start assist system being activated is received.
An assembly method is provided for a vehicle having an axle assembly. The assembly method comprises fastening a drum brake assembly having a brake spider to a brake flange of an axle assembly and routing electrical lines through the brake spider and the brake flange of the axle assembly. The assembly method further comprises coupling an electric drive motor to an axle of the axle assembly, attaching the electrical lines to the electric drive motor and coupling a wheel hub to the axle assembly. The assembly method further comprises disposing the drum brake assembly inside a chamber of a brake drum portion, the brake drum portion located coaxial to the axle and disposing the electric drive motor inside a chamber of a brake adapter portion, the brake adapter portion located coaxial to the axle.
Various examples of park brake interface modules which are utilized as human machine interfaces (HMI) in vehicles are provided. In one example, a park brake interface module for a vehicle includes a park brake switch device to actuate the park brake. The park brake switch device is capable of actuating the vehicle park brake in a brake apply mode upon receipt of a pinch signal. In another example, the park brake interface module includes a park brake switch device which is capable of actuating the vehicle park brake in a brake release mode upon receipt of a reach signal. In a further example, the park brake interface module includes recessed fixed parking brake actuation switches. In operation, the electronic interface module and park brake switch devices allow the operator to apply or release the vehicle park brakes according to memorable mnemonics, for example, “pinch to park” and “reach to release.”
Various embodiments of a method and apparatus for an air charging system controller for an air braked vehicle are disclosed. The air charging system controller comprises an input for receiving conditions of the vehicle, an output for controlling a compressor in a normal mode and in a high demand mode and control logic. The control logic determines whether the vehicle meets a predetermined condition and controls the compressor in the high demand mode in response to the vehicle meeting the predetermined condition.
A brake actuator has a plurality of actuator housing portions, a parking piston axially displaceable within one of the actuator housing portions, and a service piston axially displaceable independently of the parking piston within another of the actuator housing portions. A brake actuator rod projecting from the other of the actuator housing portions moves outward of that actuator housing portion upon at least one of fluid supply to a first substantially torus-shaped service brake bladder and fluid relief from a second substantially torus-shaped parking brake bladder. The brake actuator rod can be moved inward into the other of the actuator housing portions upon fluid relief from the first substantially torus-shaped service brake bladder, and fluid supply to the second substantially torus-shaped parking brake bladder or both.
A camera system and method for improving the recording of images includes an image capture device, a memory, and an image processor. The image processor receives a first image from the image capture device and a second image from the image capture device and compares the first image to the second image. The image processer will determine if the second image differs from the first image and record the first and second image in the memory at a first recording mode. The image processor will compare a third image to the second image. If the image processor determine that the second image does not differ from the third image, it records the third image in the memory at a second recording mode.
A trailer control valve for a tractor includes a body defining a supply port and first and second delivery ports. The supply port is configured for fluid communication with a fluid source on the tractor. The first and second delivery ports are configured for fluid communication with glad-hand connectors through which fluid is supplied from the tractor to a trailer. A pressure sensing solenoid receives fluid signal from each of the first and second deliver ports and selectively passes fluid signal therefrom to a pressure sensor as a function of a brake control signal received by a controller that controls the pressure sensing solenoid.
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60T 8/30 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels responsive to load
B60T 8/26 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
B60D 1/24 - Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
patents
