A SOLID-STATE CIRCUIT BREAKER TRIPS AN AIR GAP ACTUATOR AND SOLID-STATE SWITICHING COMPONENTS AT THE SAME TIME OR THE SOLID-STATE SWITICHING COMPONENTS WITH A DELAY
A solid-state circuit breaker (SSCB) comprises a breaker housing, line-in and line-out terminals and one or more solid state switching components. The SSCB further comprises an air gap disposed between the line-in and line-out terminals and coupled in series with the solid-state switching components to complete a current conducting path when closed. The air gap includes an air gap driving mechanism. The solid-state circuit breaker further comprises an air gap actuator to interact with the air gap driving mechanism. The SSCB further comprises a controller that controls the air gap actuator and is configured to: (a). send a tripping signal to the air gap actuator and the one or more solid state switching components at substantially the same time or (b). send a tripping signal to the air gap actuator a short amount of time earlier than sending the tripping signal to the one or more solid state switching components.
A controller of a building automation system (100), and a method thereof, comprising a communication component and a processor. The communication component communicates with one or more other controllers of multiple automation level devices (120-126). The automation level devices (120-126) are associated with an automation level network (BLN) of the building automation system (100). The automation level devices (120-126) include the controller and the other controller(s). The processor designates a particular controller of the automation level devices (120-126) as a global data server (1020, 1604, 1710). The global data server (1020, 1604, 1710) provides synchronized images of a predefined set of objects across all controllers of the automation level network (BLN).
A controller of a building automation system (100) comprising a communication component and a processor, and a method thereof. The communication component communicates with one or more other controllers of multiple automation level devices (120-126). The automation level devices (120-126) are associated with an automation level network (BLN) of the building automation system (100). The automation level devices (120-126) include the controller and the other controller(s). The processor performs name resolution in which names of objects for devices associated with a building automation system (100) are synchronized by device object references.
There is described a system (100) and method for active fault detection of an HVAC system and its associated mechanical equipment comprising building automation controllers (102, 104) and a remote device (114-120). A request for active fault detection of controllers (102, 104) of a building automation system ("BAS") network (122) is received. A passive test associated with each controller (102, 104) is executed by analyzing the controller via read-only access to operations of the controller. The passive test includes identifying a fault condition and a work item associated with the controller (102, 104) or a mechanical device (106-112) connected to the controller. A full range full range active test based on the fault condition and the work item associated with each controller (102, 104) is executed by analyzing the controller via direct command access to the operations of the controller. A controller function associated with the request for active fault detection of the controllers (102, 104) is performed in response to executing the full range active test.
An electric device (100) includes an arc quenching device (140), an arc fault rated cabinet (120) rated to resist an electric arc or short circuit, and an elastic support structure (200) configured to absorb energy based on electrodynamic forces in an arc fault event or a short circuit event. Further, an electric system and a method of calculating elasticity of an elastic beam (200-A, 200-B) configured to absorb energy of electrodynamic forces are described.
A fire sprinkler system (100), and a method thereof, for building management comprises life safety equipment, sensors (208, 210, 212) positioned proximal to the life safety equipment, and a remote analytics unit (122) communicating directly or indirectly with the sensors (208, 210, 212) via a multi-location network (124). The life safety equipment include a fluid pump (202), a fluid pipe section (204), and a fluid coupling section (206). The sensors (208, 210, 212) detect a fluid characteristic within a particular equipment of the life safety equipment. The remote analytics unit (122) receives data based on the fluid characteristics detected at the sensors (208, 210, 212) and determines a fault condition associated with one or more equipment based on the fluid characteristic.
A modular system for distributing electric power is provided for busway applications. The system includes a plurality of columns. Each of the plurality of columns are spaced apart from one another. The system further includes an electric power distribution system configured to supply electric power. The electric power distribution system is elevated by the plurality of columns and coupled to an electric power source. The system further includes a canopy at least partially enclosing the electric power distribution system. The canopy is structurally supported by the plurality of columns and spanning between adjacent ones of the plurality of columns. The system further includes a plurality of electric vehicle chargers coupled to the plurality of columns. Each of the plurality of electric vehicle chargers are electrically coupled to the electric power distribution system.
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
B60L 53/31 - Charging columns specially adapted for electric vehicles
E04H 1/12 - Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
8.
AIR GAP DRIVING MECHANISM OF A SOLID-STATE CIRCUIT BREAKER INCLUDES PERMANENT MAGNET(S) FOR CONTACT SEPARATION
A solid-state circuit breaker comprises a breaker housing and an air gap driving mechanism that is a permanent magnet based. The air gap driving mechanism includes a pair of opposing contacts, a first permanent magnet to generate a static magnetic field and a coil actuator to generate a dynamic magnetic field. The first permanent magnet and the coil actuator are positioned relative to each other such that the dynamic magnetic field generated by the coil actuator can either enhance or cancel the static magnetic field of the first permanent magnet. Hence a combination of the static magnetic field from the first permanent magnet and the dynamic magnetic field from the coil actuator can either drive the pair of opposing contacts open or drive the pair of opposing contacts close.
The claimed invention relates to a gas analyzer (10) which comprises a pressure module (20) that encloses at least partly a tube (22) for a gas (15). The pressure module (20) is equipped with a sensor (30) and a valve (24). The sensor (30) and the valve (24) are operable through a master control circuit (44). According to the invention, the master control circuit (44) is accommodated in a control enclosure (42) outside of the pressure module (20), separate from the valve (24) and the sensor (30).
G01N 30/32 - Control of physical parameters of the fluid carrier of pressure or speed
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G05D 7/06 - Control of flow characterised by the use of electric means
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
The claimed invention relates to a gas analyzer (10) which comprises a self-contained pressure module (20) that encloses at least partly a tube (22) for a gas (15). The pressure module (20) is equipped with a sensor (30) and a valve (24). The sensor (30) and the valve (24) are operable through a master control circuit (44). According to the invention, the master control circuit (44) is accommodated in a self-contained control enclosure (42) outside of the pressure module (20), separate from the valve (24) and the sensor (30).
G01N 30/32 - Control of physical parameters of the fluid carrier of pressure or speed
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G05D 7/06 - Control of flow characterised by the use of electric means
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
A testing device characterizes a damper/valve in situ in a HVAC system. It comprises a controller including a processor and a memory and circuitry. The testing device is mounted on a damper assembly having a control shaft and a damper rotatably coupled to the control shaft such that the control shaft is activated by the circuitry of the testing device. The testing device further comprises computer-readable logic code to: open and close the damper by actuating the control shaft, detect a rotational position of the damper and a torque required to move the damper to the rotational position, characterize a plurality of torques required to drive the damper to a plurality of pre-determined rotational positions of the damper when subjected to a fluid flow to generate damper rotational position data vs. torque data, and store the damper rotational position data vs. torque data to produce damper characteristic graphs.
F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
F24F 13/14 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built-up of tilting members, e.g. louvre
G01M 99/00 - Subject matter not provided for in other groups of this subclass
F24F 140/40 - Damper positions, e.g. open or closed
12.
SYSTEM AND METHOD FOR MANAGING CONTROL PERFORMANCE OF A BUILDING AUTOMATION DEVICE
There is described a system (100) and method for managing control performance of a field device (120-126) receiving variable data (406). Variable and setpoint references (406, 408) corresponding to a control loop of the field device (120-126) are identified. A time delay normal period (410) based on expected oscillations of the variable reference (406) and settling limits (412, 414) associated with the setpoint reference (408) are also identified. An offnormal timestamp (420) is generated based on the variable reference (406) relative to one or more second pre- settling limits (416, 418) associated with the setpoint reference (408). A normal timestamp (422) is generated based on the variable reference (406) relative to the settling limits (412, 414). A settling time (424) of the control performance is determined based on the normal timestamp (422), the offnormal timestamp (420), and the time delay normal period (410). One or more performance features of the field device (120-126) are modified based on the determined settling time (424).
A multilevel converter (300, 310) includes a plurality of power cells (302, 304) receiving power from a source and supplying power to multiple output phases (U, V, W), wherein each output phase (U, V, W) includes a high voltage power cell (302) that is designed to output more than three voltage levels.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
An electric system (100) includes a plurality of electric devices (110), each electric device (110) having a cabinet (112), a common power source (130), each electric device (110) being electrically coupled to the common power source (130), wherein a first electric device (110-1) includes an arc fault rated cabinet (112-1) and an arc quenching device (114), and wherein, in an event of an electric arc occurring in any of the plurality of electric devices (110), energy of the arc is transferred to the first electric device (110-1) and the arc quenching device (114) activated.
A solid-state circuit breaker (105) comprises a solid-state device (120) configured between line-in (117(1)) and line-out (117(2)) terminals, an air-gap (122) forming apparatus coupled in series with the solid-state device to complete a current conducting path and a sensing and control unit (125) to control a gate of the solid-state device. It further comprises a first switching component (110(1)) coupled in series with an actuator coil (107) across a connection point (135) after an air gap and a neutral (127) such that the sensing and control unit to control a gate of the first switching component. It further comprises a second switching component (110(2)) coupled between the line- out terminal and a terminal between the actuator coil and the first switching component such that the sensing and control unit to control a gate (145) of the second switching component. The actuator coil is configured to discharge and dissipate a recovery voltage associated therewith an inductive load (115).
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 7/00 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm
16.
REGENERATIVE MULTICELL DRIVE SYSTEM WITH OVERLAP ANGLE IN FUNDAMENTAL FREQUENCY MODULATION
A regenerative drive system includes a plurality of power cells receiving power from a source and supplying power to one or more output phases, wherein each power cell is operable in multiple operation modes, each power cell including multiple switching devices including active front-end switching devices, and a central control system controlling operation of the plurality of power cells, wherein the central control system is configured to control the active front-end switching devices of each power cell with variable conduction angles in the multiple operation modes.
H02M 1/12 - Arrangements for reducing harmonics from ac input or output
H02M 7/49 - Combination of the output voltage waveforms of a plurality of converters
H02M 7/797 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/219 - Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
H02M 5/14 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion between circuits of different phase number
H02M 7/81 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal arranged for operation in parallel
17.
NETWORK-BASED ENERGY MANAGEMENT OF ELECTRIC VEHICLE CHARGING NETWORK INFRASTRUCTURE
A network-based energy management system of managing electric vehicle (EV) charging network infrastructure is provided. The system comprises a gateway including one or more of an electric vehicle supply equipment (EVSE), a building automation system and any other independent controller. The gateway is configured for performing charging authorization, load management and/or demand response on an EVSE network using more than one communication channels including remote and/or local modes. The EVSE network includes two or more components from a group of components including a first EVSE, a controller, a second EVSE, the building automation system, a local server, a remote server and other energy management device.
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
B60L 53/68 - Off-site monitoring or control, e.g. remote control
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
18.
FUNCTIONAL SAFETY HIGH-SPEED COUNTER MODULE INCLUDING DIAGNOSTICS CIRCUITRY FOR PERFORMING COUNTER PATTERN TEST
A Functional Safety Counter Module is provided and it comprises input circuitry. test circuitry, a first microcontroller including a first hardware counter, a second hardware counter, a first storage device that stores a first firmware algorithm code to execute a counter pattern test in order to detect a short or open input signal and/or a failure in counting capability of the first microcontroller and a second microcontroller including a third hardware counter, a fourth hardware counter, a second storage device that stores a second firmware algorithm code. The first and second firmware algorithm codes are configured to resynchronize and restore respectively a first counter or a second counter after the counter pattern test and are configured to detect an offset and adjust during a resynchronization process to account for the offset such that to successfully resynchronize two separate resynchronization algorithm codes are used depending on an input frequency of counter signals input to four hardware counters.
There is described a system and method for high ventilation using outdoor air in an indoor area comprising an HVAC unit (101) and a controller (124). The HVAC unit (101) includes at least one damper (110) and a fan (130). The controller (124) detects an activation of an emergency purge mode, adjusts the at least one air damper (110) to allow a maximum of outside air to flow through the HVAC unit (101) without circulating return air, and establishes a fan speed of the fan (130) for maximum outside airflow through the HVAC unit (101). The controller (124) also modifies the fan speed of the fan (130) based on an occupant comfort criteria without regard to energy efficiency of the HVAC unit (101). The fan speed is modified based on a delta enthalpy of the HVAC unit (101) and a nominal capacity of the HVAC unit (101).
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
There is described a system and method of a building management system (140, 200) for preventive maintenance of an HVAC unit (212d). Runtime data of the HVAC unit is received at a control system (100) remote from the HVAC unit (304). A service message is initiated, by the control system, to a service device associated with the HVAC unit (316) in response to determining that a preventive maintenance visit is warranted based on the runtime data (310). A hot-cold test for the HVAC unit is activated by the control system (322) in response to receiving the registration message of the preventive maintenance visit from the service device (318). A validation message is reported (326) in response to validating the preventive maintenance visit based on a result of the hot-cold test for the HVAC unit.
There are disclosed controllers and methods for managing economizer outputs. The economizer controller (210) comprises an input component (418), a processor (406), and an output component (420). The input component (418) receives incoming control signals from an input device, in which each incoming control signal is associated with a corresponding compressor. The processor (406) generates an altered association of some of the incoming control signals to a different compressor based on a predetermined criteria. The output component (420) sends output control signals based on the altered association to a control circuit associated with the compressors.
F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
F24F 11/86 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
22.
SYSTEM AND METHOD FOR CONFIGURING, COMMISSIONING AND TROUBLESHOOTING AN HVAC UNIT
There is described a system and method for configuring, commissioning and troubleshooting an HVAC unit. A unit type configuration (214) is established based on a type of HVAC system and temperature data, humidity data, and/or indoor air quality data. A fan configuration (214) is established based on whether a variable frequency drive fan is identified. Cooling and heating stage configurations (214) are established based on a compressor parameter and a heating stage parameter. An available auxiliary termination is identified in response to establishing the configurations. A safety is assigned to the available auxiliary termination in response to identifying the available auxiliary termination. An IO table (216) is provided to an HVAC controller, which includes physical input/output assignments for the terminations of the HVAC controller based on the configurations and the assigned safety. For another embodiment, The fan configuration is established based on one of a traditional stage blower fan or a variable frequency drive fan.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
23.
ARC FAULT DETECTION BY ACCUMULATION OF MACHINE LEARNING CLASSIFICATIONS IN A CIRCUIT BREAKER
A circuit breaker with arc fault detection by accumulation of machine learning classifications is provided. The circuit breaker comprises a microcontroller including a processor, a memory and computer-readable software code which, when executed by the processor, causes the microcontroller to: sample analog signals representing one or more of the following: a RSSI signal, a voltage signal, and a current signal, perform multiple pre-processing steps on the analog signals to derive a data set, and input the data set into a machine learning classifier such that an output of the machine learning classifier is a value between 0 and 1 which represents a percent chance that the data set is from an electrical arc. Based on the value of the percent chance an accumulator value is either incremented or decremented and if the accumulator value passes an upper threshold level, the microcontroller sends a signal to trip open the circuit breaker.
There is described a building management system and a method for autotagging points. Data (402, 404) associated with multiple points of a site are received, and each point is associated with a point name (402, 404) and a point descriptor. A building name is identified (406) based on the point name for each point by extracting a first part detected frequently among the data associated with the points. A point equipment is determined (408) from a second part of each point name and a point function is determined (408) from a third part of each point name. A set of point tags is generated (424) based on the point equipment, the point function, and the point descriptor. Confidence scores are created (444) for the set of point tags based on matching characteristics to a common tag set.
A temperature sensor of a thermal monitoring system is provided for use in power distribution systems. The temperature sensor comprises ceramic printed circuit board (PCB) and a terminal. The ceramic PCB includes a temperature sensing element disposed on a side of the ceramic PCB. The terminal is configured to be fixed directly in contact with a measured point and is directly in touch with the ceramic PCB such that heat is conducted from the terminal, through the ceramic PCB and then to the temperature sensing element. The temperature sensing element is configured to generate an electrical signal in response to the heat such that the electrical signal is sent through a pair of lead wires to a controller for monitoring a temperature. The temperature sensor further comprises an overmolded plastic material to seal a portion of the terminal, the ceramic PCB in its entirety and a portion of the pair of lead wires to ensure a desired physical strength and a desired dielectric strength.
A circuit interrupting device with a temperature activated permanent lockout trip mechanism is provided. The temperature activated permanent lockout trip mechanism is located in close proximity to a section of conductor that generates heat. An energized first solenoid generates a magnetic force capable of moving an armature that unlatches a latch releasing a spring to open a main contactor removing power from an electrical circuit. The temperature activated permanent lockout trip mechanism upon reaching a predetermined temperature which is higher than the predetermined temperature threshold of the temperature sensing switch also generates a mechanical force capable of moving the armature that unlatches the latch releasing the spring to open the main contactor removing power from the electrical circuit. Once activated, the temperature activated permanent lockout trip mechanism inhibits the latch from latching which prevents a reset of the circuit interrupting device thus the circuit interrupting device is permanently disabled as the main contactor cannot be closed, and power no longer be reconnected to the electrical circuit.
There is described a network distribution system (300) using common communication and power comprising a power line (314), multiple fire alarm units, and a power line control device (302). The power line (314) provides alternating current, and the fire alarm units are coupled to the power line (314). The power line control device (302) is coupled to the power line (314) and a particular fire alarm unit of the plurality of fire alarm units. The power line control device (302) comprises a communication translator (304) to convert between power line (314) and non-power line protocols and a power line core (306) to modulate signals to, and demodulate signals from, the power line (314).
G08B 25/06 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines
H04B 3/54 - Systems for transmission via power distribution lines
G08B 17/00 - Fire alarms; Alarms responsive to explosion
28.
LARGE-SCALE MATRIX OPERATIONS ON HARDWARE ACCELERATORS
An edge device can be configured to perform industrial control operations within a production environment that defines a physical location. The edge device can include a plurality of neural network layers that define a deep neural network. The edge device be configured to obtain data from one or more sensors at the physical location defined by the production environment. The edge device can be further configured to perform one or more matrix operations on the data using the plurality of neural network layers so as to generate a large scale matrix computation at the physical location defined by the production environment. In some examples, the edge device can send the large scale matrix computation to a digital twin simulation model associated with the production environment, so as to update the digital twin simulation model in real time.
A fail-safe counter module comprises a controller including a processor and a memory and circuitry for fail-safe counting. The fail-safe counter module further comprises computer-readable safety rating support code stored in the memory which, when executed by the processor, causes the controller to provide safety rating to International Standard levels such as Safety Integrity Level (SIL) 3, Category (CAT) 4, Performance Level (PL) e. The fail-safe counter module further comprises computer-readable "Safety Monitoring" functions code stored in the memory which, when executed by the processor, causes the controller to work with a user interface to select and configure the "Safety Monitoring" functions. The fail-safe counter module is a functional safety-rated device with an expected rating for SIL 3, CAT 4, PL e applications and is engineered to calculate position and/or speed utilizing an external quadrature encoder sensor that generates waveforms which permits counting of specific electrical pulses.
G01D 3/08 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
G01D 5/244 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
30.
SYSTEMS AND METHODS FOR HVAC EQUIPMENT PREDICTIVE MAINTENANCE USING MACHINE LEARNING
Methods for predictive maintenance with using machine learning in a building automation system (100) and corresponding systems and computer-readable mediums. A method includes receiving (1902) device event data (522) corresponding to a device (112) and executing an inference engine (522) to determine root cause fault data (524) corresponding to the device event data (522). The method includes executing (1906) a predictive maintenance engine (508) to produce a survival analysis (402, 406, 410, 1604) for the physical device (112) based on the root cause fault data (524). The method includes producing (1910) updated failure data (526) by the predictive maintenance engine (508), based on the survival analysis (402, 406, 410, 1604), and providing the updated failure data (526) to the inference engine (522). The inference engine (522) thereafter uses the updated failure data (526) in a subsequent root cause analysis. The method includes outputting (1912) the survival analysis (402, 406, 410, 1604).
Methods for failure analysis in a building automation system (100) and corresponding systems and computer-readable mediums (1126). A method includes receiving (1002) device event data (622) for a plurality of devices (112) and executing (1004) a fault diagnostics inference engine (608) to determine faults (630) corresponding to the device event data (622). The fault diagnostics inference engine (608) includes a dynamic Bayesian network (604) and a conditional probability table (606). The method includes executing (1006) a predictive maintenance engine (616) to produce probabilities of hardware failures (624) based on the determined faults (630) and the device event data (622). The method includes updating (1008) the conditional probability table (606) based on the probabilities of hardware failures (624). The method includes producing (1010) updated faults (630) by the predictive maintenance engine (616) according to the updated conditional probability table (606). The method includes displaying (1012) the updated faults (630).
Methods for data quality analysis and aggregation in a building automation system (100) and corresponding systems (102) and computer-readable mediums. A method includes receiving (902) input data (412) and receiving (904) a configuration file (408) that defines data quality (DQ) processes to be performed on the input data (412). The method includes dynamically building (906) a configurable pipeline (422) based on the configuration file (408), the pipeline (422) including one or more Data Quality Indicator (DQI) or Data Quality Aggregation (DQA) process components from a DQ core library (410). The method includes performing DQ processes (908) on the input data (412), including executing each of the DQI or DQA process components included in the pipeline (422), producing (910) one or more DQ results based on the DQ processes, and returning (912) the one or more DQ results.
A circuit interrupting device with overload current detection is provided. It comprises a hot conductor, a main contactor and a first electromagnetic device configured to remove power from an electrical circuit when overload current exceeds a predetermined % of a rated load current. It further comprises a section of conductor that generates heat and a thermal overload current detection mechanism including a temperature sensing switch having contacts. The temperature sensing switch closes the contacts when a temperature reaches a predefined temperature threshold corresponding to an overload current, in which case the temperature sensing switch electrically couples power to a second electromagnet which is disposed across the hot conductor and a connection to a neutral conductor. The energized second electromagnet generates a magnetic force capable of moving an armature that unlatches the latch releasing the spring to open the main contactor removing power from the electrical circuit.
A system for automatically generating trajectories of an object includes a trajectory generation module comprising a visual control algorithm and a processor configured via computer executable instructions to receive raw three dimensional (3-D) sensor data of an object, create a 3-D model of the object based on the raw 3-D sensor data, extract object features relating to a shape and/or surface from the 3-D model of the object, and generate trajectories based on the object features of the 3-D model of the object.
A load center (105) comprises a common instantaneous tripping unit (107) that works on a principle of solid state switching. The load center further comprises a plurality of branches (110(1) - 110(8)) of branch circuit breakers each of which is coupled to the common instantaneous tripping unit via a corresponding high power connection (112(1-n)) and a corresponding low power connection (115(1-n)) such that the common instantaneous tripping unit feeds the plurality of branches at the same time. The common instantaneous tripping unit interrupts a short circuit fault in an interruption time which is significantly reduced thus reducing or eliminating chances for a personal injury during the short circuit fault.
H02H 3/033 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with several disconnections in a preferential order
H02H 5/12 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to undesired approach to, or touching of, live parts by living beings
H02H 7/26 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
H02H 3/06 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with automatic reconnection
36.
SYSTEM AND METHOD FOR COMMISSIONING FRESH AIR INTAKE CONTROL
There is described a mobile device (422) and method for commissioning air intake control of an environmental control system. A communication component receives multiple air measurements from an air flow sensor (436), in which the air flow sensor (436) is positioned in a duct compartment of the environmental control system. The processor generates multiple air flow tables (408-414) based on the multiple air measurements (434), multiple fan speeds (430) associated with the environmental control system, and multiple damper positions (432) associated with the environmental control system. The communication component transmits the multiple air flow tables (408-414) to an air intake controller (402) of the environmental control system.
F24F 11/48 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring prior to normal operation, e.g. pre-heating or pre-cooling
F24F 11/50 - Control or safety arrangements characterised by user interfaces or communication
F24F 13/10 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
G05B 17/00 - Systems involving the use of models or simulators of said systems
G05B 13/00 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
G05D 7/06 - Control of flow characterised by the use of electric means
F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
A Skill Logic Controller (SLC) is provided for controlling an automation process of an industrial control system involving edge devices. The SLC comprises a Central Processor Unit (CPU) module including a processor and an accessible memory storing an automation main component as a programmed skill. The programmed skill is a self-contained algorithm that takes inputs from an environment such as smart sensors and give commands in sequence to smart machines to accomplish a task such that the programmed skill is configured to interact with its environment such as the smart sensors and the smart machines or other programmed skills by asking questions and seeking clarifications. The accessible memory further stores a SLC program comprising software instructions that when executed by the processor are configured to provide combinatorial logic and sequential control for the automation process.
Distributed neural network boosting is performed by a neural network system through operating at least one processor. A method comprises providing a boosting algorithm that distributes a model among a plurality of processing units each being a weak learner of multiple weak learners that can perform computations independent from one another yet process data concurrently. The method further comprises enabling a distributed ensemble learning which enables a programmable logic controller (PLC) to use more than one processing units of the plurality of processing units to scale an application and training the multiple weak learners using the boosting algorithm. The multiple weak learners are machine learning models that do not capture an entire data distribution and are purposefully designed to predict with a lower accuracy. The method further comprises using the multiple weak learners to vote for a final hypothesis based on a feed forward computation of neural networks.
A system for detection or prediction of a leak in a pipe system includes a data source with characteristics of a pipe system, a prediction module, and an interface coupled between the data source and the prediction module, wherein the prediction module includes at least one processor and is configured via executable instructions to receive the characteristics of the pipe system via the interface, evaluate the characteristics of the pipe system utilizing markers, each marker representing a physical condition of the pipe system, and identify or predict a leak in the pipe system based on a specific combination of markers.
A system and a method provide a global view of an automation system for any industrial controller in a network. The method comprises providing a distributed version control runtime system for managing industrial controller process images in that an automation engineering process provides non-linear workflows. The method further comprises providing an engineering system having a first industrial controller program database of an industrial controller program. The method further comprises providing a first industrial controller having a first process image including a second industrial controller program database of an industrial controller program and a first historian database. The method further comprises providing a second industrial controller having a second process image including a third industrial controller program database of an industrial controller program and a second historian database. The method further comprises managing versions of the automation code and versions of the data of the industrial controller process image.
There is described a support system and method for automated building management assistance. Fault detection and diagnostics relating to a maintenance event for building equipment is collected from a building automation system (104) in response to receiving a message identifying the maintenance event from a mobile device (108). Manual tasks are provided to the mobile device (108) to address the maintenance event in response to identifying the status as a basic issue. The manual tasks include manual actions to be executed at the equipment at the particular building (102) based on interactions between the automated support system (112) and the mobile device (108). Semi-automated tasks are provided to the mobile device (108) to address the maintenance event in response to identifying the status as an advanced issue. The semi-automated tasks include one or more manual tasks and one or more automated tasks determined by the automated support system (112) for execution by the building automation system (104).
A cyber safety system that provides a real-time and independent cyber-attack monitoring and automatic cyber-attack response. The cyber safety system comprises a cyber monitoring logic to generate a cyber attack signal in response to a cyber attack event. The cyber safety system further comprises an automatic segmentation controller to generate a plurality of segmentation voltage signals or a plurality of segmentation messages in response to the cyber attack signal. The cyber safety system further comprises a plurality of firewalls configured to invoke firewall rulesets depending upon an input voltage signal level of the plurality of segmentation voltage signals or the plurality of segmentation messages to segment a site network in a plurality of site network segments and to control one or more physical devices as response to the cyber attack event.
There is described a zone controller and method for identifying a root cause failure at a zone. The zone controller determines whether a temperature measurement deviates from a temperature setpoint of the temperature sensor (316), and generates a first repair code, a second repair code, and/or a third repair code. The first repair code replaces a temperature sensor (316) in response to detecting that a reading of the temperature sensor (316) has failed. The second repair code releases an operator override on the reading of the temperature sensor (316) in response to detecting that the reading of the temperature sensor (316) has been overridden. The third repair code releases an operator override on a setpoint of the temperature sensor (316) in response to detecting that the setpoint of the temperature sensor (316) is outside the predetermined setpoint range. One or more of these repair codes are provided to a remote device.
A system and a method provide an Artificial Intelligence (AI) companion for each Function Block in a Programmable Logic Controller (PLC) program to integrate AI in automation systems. Multiple function blocks and system function blocks are grouped into a logic group. A control problem is broken down from a top level into logical partitions as several functions that are programmed as Function Blocks in a PLC program. Each Function Block and the entire PLC program are integrated with an associated AI Companion. A runtime system for the AI Companion provides new runtime capabilities. An approach to implementing the AI Companions is provided. A method of controlling an automation process is also provided.
A locking device (106) for a railway switch (100) includes a main structural member (202) adapted to withstand stress loading and a replaceable guide member (204). The main structural member (202) is configured to be fastened to a stock rail (102). The guide member (204) is detachably coupled to the main structural member (202). The guide member (204) defines, at least in part, a channel (212) extending from a first end (206) to a second end (208) thereof. A locking face (126) is defined at the second end (208) of the guide member (204). Upon installation, the channel (212) is configured for guiding therethrough a simultaneous motion of a latch member (114) and an operating bar (110) of the railway switch (100). The latch member (114) has a first end (116) coupled to a switch blade (104) and a second end (118) configured as a lock catch. The locking face (126) is configured to bear against the second end (118) of the latch member (114) to lock the switch blade (104) to the stock rail (102).
A system and method identifies a current filter dirty level. The system includes sensors (308, 310, 322, 324, 1808, 1810, 1822, 1824), coupled to a controller, (104) to collecting differential pressure sensor data and flow data associated with a flow of materials through a filter (306, 320, 1806, 1820). The controller (104) applies a filter filtered data set to a portion of the differential pressure sensor data and flow data and a second filtered data set to the first filtered data set to further smooth the first filtered data set. The controller (104) further applies an edge detection filter to the second filtered data set resulting in edge detection filtered data set and determines a threshold for filter replacement and an optimal filter replacement date with the edge detection filtered data set and flow data.
There is provided an alarm system and method for managing current of a notification appliance circuit (124). The system comprises a notification appliance circuit (124), in which a control panel (120) and notification appliances (122) are coupled to the notification appliance circuit (124). The control panel (120) provides an activation signal in response to an emergency condition. The notification appliances (122) are configured with time delays and receive an activation signal from the control panel (120). The notification appliances (122) discharges energy storage components based on at least the activation signal and recharges the energy storage components at different time intervals based on the time delays in response to discharging the energy storage components.
G08B 5/38 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources using flashing light
G08B 25/04 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
G08B 29/18 - Prevention or correction of operating errors
48.
BUILDING AUTOMATION SYSTEM FOR CONTROLLING CONDITIONS OF A ROOM
There is described a building automation system (306) for controlling conditions of a room (310). The building automation system (306) comprises a room device (328-332), a first interface (322), a second interface (324), and a managing device (for example, 404-408). The first interface (322) receives a voice command based on a voice utterance detected in the room (310) by the voice enabled system (302, 304). The second interface (324) receives a hospitality user profile from a hospitality information system (308). The hospitality user profile identifies one or more user parameters associated with the room (310). The managing device of the building automation system (306) includes a guest room profile that identifies one or more room parameters associated with the room (310). The managing device controls the room device (328-332) based on the voice command, the hospitality user profile, and the guest room profile.
A building automation system (100) may control ultraviolet lights (116) to intelligently disinfect susceptible environments based on occupant density. The system (100) comprises multiple occupancy sensors (112), a disinfection environment tracking engine (102), and an ultraviolet light control engine (104). The multiple occupancy sensors (112) generate real time occupancy data (120) associated with multiple objects detected within an area. The disinfection environment tracking engine (102) determines real time occupant density of the multiple objects detected within the area based on the real time occupancy data (120) generated by the multiple occupancy sensors (112). The ultraviolet light control engine (104) controls operation of one or more ultraviolet lights (116) to disinfect the area based on the real time occupant density determined by the disinfection environment tracking engine (102).
H04L 29/08 - Transmission control procedure, e.g. data link level control procedure
H05B 47/115 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
G16H 40/20 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
50.
SYSTEM AND METHOD TO IMPROVE EMERGENCY RESPONSE TIME
There is described a fire detection/notification system (200) for detecting a weapons discharge comprising a network (202) and a control panel (204). The network (202) includes multiple wireless devices, and each device (208) includes a fire-related sensor and a first weapons discharge sensor, and a second weapons sensor. The control panel (204) is configured to identify the weapons discharge based on data generated by the first and second weapons discharge sensors and produce an alert signal in response to identifying the weapons discharge. The control panel (204) is connected to the network (202) and includes an output circuit (230) configured to communicate with an emergency responder device (232) external to the fire detection/notification system (200) in response to receiving the alert signal.
There is described a fire detection/notification system (200) for detecting a weapons discharge comprising a network (202) and a control panel (204). The network (202) includes multiple devices, and each device (208) includes a fire-related detection sensor and a weapons discharge sensor. The control panel (204) is configured to identify a fire-related hazard detected by the fire-related detection sensor and produce a first alert signal in response to identifying the fire-related hazard. The control panel (204) is also configured to identify a weapons discharge hazard detected by the weapons discharge sensor and produce a second alert signal in response to identifying the weapons discharge hazard. The control panel (204) is connected to the network (202) and includes an output circuit (230) configured to communicate with one or more emergency responder devices (232) external to the fire detection/notification system (200) in response to receiving the first alert signal, the second alert signal, or both signals.
Alarm issue management for a building automation system comprising a decentralized ledger (210) as well as first, second, and third systems (204, 206, 208). The decentralized ledger (210) has immutable transaction records validated and secured by a network of peer-to-peer nodes, and the ledger (210) utilizes proof of work to synchronize the nodes. The first, second, and third systems (204, 206, 208) access the transaction records of the ledger (210) relating to a remediation type of a building automation system. The first system (204) provides a first transaction record to the ledger (210) relating to the remediation type. The second system (206) reads the first transaction record of the ledger (210) and provides a second transaction record to the ledger (210) relating to the remediation type based on the first transaction record. The third system (208) reads the first and second transaction records of the ledger (210) and performs an audit of the first and second transaction records of the ledger (210) relating to the remediation type.
H04L 12/24 - Arrangements for maintenance or administration
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
53.
MOTOR PROTECTION RELAY WITH MOTOR UNDER VOLTAGE PROTECTION CIRCUIT
A capacitor (C1) and other components are added to the motor starter control circuit (106) in order to supply power to the contactor coil (MX1) during undervoltage events. In order to avoid adding an additional active device in the control circuit (106) to control the application of capacitor voltage to the contactor coil (MX1), a microprocessor-based motor protective relay (108) may be used to switch the capacitor (C1) in or out in a controlled manner. The motor protective relay (108) is used for overload protection as well as for undervoltage switching of the capacitor (C1). The motor protective relay (108) is microprocessor-based and offers user-configurable general-purpose logic and math processing functions to control the capacitor (C1) switching.
H02P 29/024 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
54.
SYSTEM AND METHOD FOR CONFIGURING AND MANAGING FIELD DEVICES OF A BUILDING
There is described a building automation system (100) comprising a communication component (304), a processor (308), and an output component (318). The communication component (304) scans the building automation system (100) to discover devices (120, 122, 124), and the processor (308) generates a visual code for a particular field device. The visual code identifies a uniform resource locator directed to a virtual node hosting environment of the building automation system (100) associated with the field device (120, 122, 124). The output component (318) produces the visual code at a physical material for exhibition in proximity to the field device (120, 122, 124). Thereafter, the hosting environment receives a status request, associated with the uniform resource locator, for the field device (120, 122, 124) from a mobile device (126). The hosting environment generates point information associated with the field device (120, 122, 124) based on information collected from the field device in response to receiving the status request. The communication component (304) sends the point information to the mobile device (126).
A variable frequency drive system includes a power converter with a plurality of power cells supplying power to one or more output phases, each power cell having multiple switching devices incorporating semiconductor switches; a plurality of sensors monitoring values of the power converter; and a control system in communication with the power converter and controlling operation of the plurality of power cells, the control system comprising a processor configured via executable instructions to access a first reduced order model of the power converter; receive the values provided by the plurality of sensors; analyze the values in connection with the first reduced order model to determine one or more operating modes; and output one or more determined operating modes of the power converter.
H02M 7/00 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
H02M 7/525 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
H02M 7/529 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation using digital control
H02M 7/5387 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H02M 7/539 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
H02M 7/758 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
56.
SYSTEM AND METHOD FOR PROTECTING AN ELECTRICAL LOAD OF A DRIVE SYSTEM
A drive system (500) includes a power converter (510) with power modules (312) supplying power to one or more output phases (A, B, C), a central control system (512) in communication with the power converter (510) and controlling operation of the power modules (312), wherein the central control system (512) comprises an advanced protection module (APM 514) configured via executable instructions to receive input data from an electrical load (520) operably coupled to the one or more output phases (A, B, C) utilizing power converter feedback from the electrical load (520), determine one or more operating conditions of the electrical load (520) based on the input data; and output one or more protection parameters based on a determined operating condition of the electrical load (520) for protecting the electrical load (520).
A building automation system and method for simulating system operation conditions associated with the building automation system are provided. A virtual node (304) is created in a virtual node hosting environment (302) to communicate with a data consumer. A building simulation system is configured in the virtual node (304) based on a configuration file (320) associated with the virtual node (304). The configuration file (320) includes device properties of a field device simulated by the building simulation system. The configuration file (320) also references a data file (322) that includes time intervals and simulated system operation conditions of points associated with field device. Simulated operation data of the points are generated from the building simulation system based on the data file (322). The building simulation system includes point simulator servers (314, 316, 318) in which each point simulator server corresponds to a system operation condition identified by the data file (322). The simulated operation data are provided to the data consumer.
Provided are embodiments for a system for reducing input harmonic distortion of a power supply. The system includes a power source coupled to a power supply. The power supply includes an input stage that is configured to receive an input signal from the power- supply, wherein the input signal is received at known input frequency, and a converting stage that is operated to convert the input signal to an output signal, wherein the output signal has an output frequency. The power supply also includes an output stage that is operated to generate output power based on the output signal, and a controller that is configured to provide control signals to the output stage of the power supply to modify the output signal. Also provided are embodiments for a power supply and method for reducing input harmonic distortion of the power supply.
H02M 7/49 - Combination of the output voltage waveforms of a plurality of converters
H02M 7/5395 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
59.
EXTENDED BRAKING WITH VARIABLE FREQUENCY DRIVE WITHOUT INPUT POWER
A variable frequency drive system (300) includes a power converter (310) with a plurality of power cells supplying power to one or more output phases (A, B, C), a main power source (320) for providing main input power to the power converter (310), an auxiliary power source (330) for providing auxiliary input power to the power converter (310), and a control system (314) in communication with the power converter (310) and controlling operation of the plurality of power cells, wherein the control system (314) comprises one or more processor(s) (315) configured via computer executable instructions to detect a main input voltage drop of the main power source (320) below a predefined power threshold, disconnect the main power source (320) in response to the main input voltage drop, and enable the auxiliary power source (330) to provide auxiliary input power to the power converter (310) in response to the main input voltage drop.
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
An electrical distribution system includes a plurality of electrical substations. Each of the electrical substations includes a plurality of intelligent electronic devices (IEDs), and a communications network interconnecting the plurality of IEDs at that substation. The communications networks at the plurality of substations are configured as at least one virtual network spanning multiple ones of the plurality of electrical substations, and interconnecting at least some of the IEDs within the multiple ones of the plurality of electrical substations, and so that delays experience by messages on the at least one virtual network are below a defined threshold. The virtual networks may be reconfigured when/if the threshold is not met.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
61.
ANTICIPATING HANDOVER IN A NETWORK ON A MOVING PLATFORM
A routing device for installation on a moving platform connects with multiple wireless access devices for wireless interconnection with a wide-area network (WAN). The routing device routes traffic to the WAN through an active one of the wireless access devices. The routing device monitors connection quality between each of the wireless access devices and the WAN and in response to the metric of connection quality for the wireless access device at the active port dropping below a threshold value, reconfigure the routing device to route data traffic to the WAN through a wireless access device at a targeted one of the ports, different from the active one of the ports.
A fail-safe counter evaluator (200) is provided to insure proper counting operations by fail-safe counters. The failsafe counter evaluator comprises a first microprocessor (205-1), a first counter (212-1), a second counter (212-2), a second microprocessor (205-2) and a test channel (210-2, 210-4). The first counter (212-1) is configured as a counter in operation and disposed in the first microprocessor to receive externally generated count pulses (210-1). The second counter (212-2) is disposed in the first microprocessor and configured to undergo a test (210-2: test channnel). The test channel (210-2) is configured to send an input test signal to the second counter based on test pulses (215-4: active test pulses) from the second microprocessor. The first microprocessor and the second microprocessor are synchronized (217) so that to coordinate a start and an end of the test. The second counter is evaluated after the test pulses have been sent to determine if the second counter is operating properly.
A building automation system (BAS) may control ultra-violet (UV) lights to intelligently disinfect a disinfection environment (e.g., a patient room). In some examples, the BAS includes a disinfection environment tracking engine and a UV light control engine. The disinfection environment tracking engine may access patient room data indicative of a state of a patient room of a patient, medical data of the patient, the medical data of the patient specifying a medical condition of the patient, real-time location data of the patient. The UV light control engine may control operation of UV lights to disinfect the patient room based on the patient room data, the medical data of the patient, and the real-time location data of the patient.
An air-core dry-type reactor is provided having top and bottom spiders, a non-cylindrical winding having a plurality of turns, and top and bottom connection portions. The non-cylindrical winding is disposed between the top and bottom spiders, the top connection portion in electrical contact with the top spider, and the bottom connection portion in electrical contact with the bottom spider. The plurality of turns includes a first turn having a first diameter, a second turn disposed above the first turn and having a second diameter that is different from the first diameter, and a third turn disposed above the second turn and having a third diameter. A non-cylindrical winding mandrel configured to produce the turns of the non-cylindrical winding is disclosed. Numerous other aspects are provided.
A lamp system (200) includes a lamp assembly (210, 215) with a light source (212) coupled to a base (214), an electronic circuit (216) for operating the light source (212), and a switching device (218) for setting a flash rate of the light source (212). A lamp communication device (250) configured to transmit control signals to the lamp assembly (210). A communication network (260) interfaces with the lamp assembly (210) and the lamp communication device (250). The electronic circuit (216) is configured to operate the light source (212) in response to a control signal (262) transmitted by the lamp communication device (250) via the communication network (260), and in accordance with a set flash rate so that the light source (212) switches between an on state and an off state by default.
B61L 29/28 - Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
66.
DEEP-LEARNING-BASED FAULT DETECTION IN BUILDING AUTOMATION SYSTEMS
Methods, mediums, and systems include use of a system manger application in a data processing system for fault detection a building automation system using deep learning, to receive point data for a hardware being analyzed, where the received point data is contaminated data, train a deep learning model for the hardware being analyzed, generate predicted data based on the deep learning model, analyze the predicted data and the received point data, identify a fault in the hardware being analyzed according to the received point data and the predicted data, and produce a fault report according to the identified fault.
An apparatus is provided for detecting fault conditions in the energy supply of a load. The apparatus comprises a fail-safe input-output (I/O) module circuit and a diagnostic circuit coupled to the fail-safe input-output (I/O) module circuit. The fail-safe inputoutput (I/O) module circuit includes a first switch coupled to a first resistor divider and a first output that supplies a DC supply voltage to the load via a first wiring to reduce a first voltage of the first output down to a first readback diagnostic output and a second switch coupled to a second resistor divider and a second output that supplies the DC supply voltage to the load via a second wiring to reduce a second voltage of the second output down to a second readback diagnostic output. The diagnostic circuit is to provide a first readback measurement signal from the first readback diagnostic output and provide a second readback measurement signal from the second readback diagnostic output. The apparatus is configured to provide the first readback measurement signal and the second readback measurement signal for the first output and the second output with and without the load such that when the first and second switches are open or OFF the first voltage at the first output with the load and the second voltage at the second output with the load indicate a NOT broken wire condition with respect to the first and second wirings while the first voltage at the first output without the load and the second voltage at the second output without the load indicate a broken wire condition with respect to the first and second wirings.
An system (100) for updating firmware on an industrial device (130) includes a user interface device (110) storing a computer program (200) with executable instructions (210, 212, 214, 220, 222); one or more industrial devices (130) comprising firmware; and a communication network (120) interfacing with the user interface device (110) and the industrial device (130) and adapted to transmit data, wherein the computer program (200) of the user interface device (110) comprises instructions (210) to scan the communication network (120) and to identify an industrial device (130) that requires an update of the firmware, and wherein the computer program (200) of the user interface device (110) comprises further instructions (214) to update the firmware on the industrial device (130) via the communication network (120) after establishing communication with the industrial device (130). Further, a method (300) and a computer program (200) for updating firmware on industrial devices (130) are provided.
An output module (200) includes multiple outputs (202), each output having switches (204, 208), wherein the switches (204, 208) are configured such that a load (212) is connectable between the switches (204, 208), and a calibration unit (220) configured to disconnect the load (212) from the switches (204, 208) for a calibration period, monitor a behavior of the load (212) while disconnected, and store samples of the behavior of the load (212). Further aspects of the present disclosure relate to a control system (100) and a method (300) for testing an output module (200) connected to a complex load (212).
A highway grade crossing gate system comprises a gate arm configured to rotate 90 degrees from a horizontal position to a vertical position and vice versa and a highway grade crossing gate mechanism coupled to the gate arm for controlling rotation of the gate arm without mechanical user adjustments but rather use user angle and time inputs/outputs. The highway grade crossing gate mechanism includes a DC motor to drive the gate arm up and down and a voltage reduction circuit to receive an input voltage from a battery and reduce the input voltage. The highway grade crossing gate mechanism further includes a human machine interface (HMI) to receive a plurality of programmable set points as operational variables for operation of the gate arm without manually adjustable cams on a main shaft that move contacts to open or close at some preset angular rotation. The highway grade crossing gate mechanism further includes a control printed circuit board (PCB) coupled to the HMI, the voltage reduction circuit, the brake, and the DC motor. The control PCB to receive an output based on an angular position of the gate arm as a position indication to have the control PCB provide an output for the operation of the gate arm.
A gate retraction device is provided to return a crossing gate arm to a home position. The gate retraction device comprises a frame to hold a gate pivot pin that is configured to provide a bi-directional rotation of the crossing gate arm. The gate retraction device further comprises a main pivot assembly that receives the gate pivot pin on one end so as to enable rotation of the main pivot assembly in a horizontal plane. The main pivot assembly comprises a first side and a second side opposite of the first side and wherein the main pivot assembly further comprises a spring pin extending on the first side and the second side of the main pivot assembly. The gate retraction device further comprises a spring-loaded assembly trapped against the spring pin of the main pivot assembly as the main pivot assembly rotates.
A grade crossing control system includes a controller that receives start and end inputs corresponding to a train traversing an outer approach, determines the difference in time between the start and end inputs, and uses the difference in time to determine a delay period by which activation of a grade crossing warning system will be delayed following detection of the train by a track occupancy circuit in an inner approach in order to compensate for slow moving trains. The start and end inputs for the outer approach may be supplied in different ways including a separate track occupancy circuit for the outer approach, by train detection devices unconnected to the track at the start and end of the outer approach, or by overlapping track occupancy circuits positioned at the start of the outer and inner approaches.
An integrated air cooling and arc resistant system is provided for a voltage drive. The system comprises a cabinet including a back, an upper portion and a lower portion. The system further comprises a plurality of power cells disposed in the cabinet. The system further comprises a central chimney vertically disposed in the cabinet. The system further comprises a transformer disposed in the cabinet and being underneath the plurality of power cells. The transformer has a top end and a bottom end. The system further comprises a vertical plenum disposed in the back of the cabinet. The vertical plenum is configured to flow cool air passing from the plurality of power cells towards the bottom end of the transformer.
A safety device tester (120) that verifies the operation of a safety device (106) by identifying the safety device (106), placing the safety device (106) in a test mode, and recording the operation of the safety device (106), and then storing the recording data in the cloud (302).
For air distribution or extraction, fan speed is controlled using modeling to account for venturi air valves (28). A minimum pressure for each venturi air valve (28) is incorporated into the model. The pressure losses for various duct airpaths to terminal units (22) is calculated based, in part, on the minimum pressure of any venturi valve (28). The fan set point or operation is established based on the highest needed pressure in the various airpaths connected with the fan (18).
F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
F24F 11/62 - Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
A system (200) for monitoring a railroad grade crossing (100, 250) includes an illumination device (220, 230) for illuminating a section of a railroad grade crossing (100, 250), and a control device (240) in communication with the illumination device (220, 230). The illumination device (220, 230) is configured to obtain data of the section of the railroad grade crossing (100, 250) while illuminating the section, and the control device (240) is configured to receive and evaluate the data. Further, a method (600) for monitoring a railroad grade crossing (100, 250) is provided.
Capabilities of a chiller water plant (106) are modeled using operational data, equipment data, and system configuration data enabling changes to be made to the configuration data and report the resulting changes in performance of the model.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
78.
ADAPTIVE POWER MANAGEMENT RECOGNITION AND ASSIGNMENT SYSTEM
A method and controller for controlling electrical activation of elements in a system. A method includes identifying (710) a first element (102) of a system (100) by a control system (600), among a plurality of elements (102, 110, 122) of the system (100), that is to be powered. The method includes determining (712) connected elements (1 10, 122) of the system (100) by the control system (600). The connected elements (110, 122) are connected to deliver power to the first element (102) directly or indirectly, based on an adjacency matrix (400), and the adjacency matrix (400) identifies connections between each of plurality of elements of the system (100). The method includes identifying (714) at least one of the connected elements (110, 122) to activate by the control system (600), based on the adjacency matrix (400), a health table (500), and the connected elements (1 10, 122), to deliver power to the first element (102). The method includes activating (716) the at least one of the connected elements (1 10, 122) by the control system (600), thereby delivering power to the first element (102).
Rather than complex modeling or time consuming repetitive measuring for optimizing an HVAC system, a slope or change in energy use as a function of a change in a variable (e.g., temperature or humidity) is used to adjust the variable. In an HVAC system, the temperature or humidity of supplied air from the AHU (12) is set based on the derived slope. The energy usage to heat and/or cool supplied air at the terminal units (22) is balanced with the energy usage to heat and/or cool the air to be supplied by the AHU (12). The slope of the total energy usage may be indicated by a sum of flow rates.
F24F 3/00 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
F24F 11/80 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
80.
METHOD AND APPARATUS FOR AUTOMATED SUGGESTION OF ADDITIONAL SENSORS OR INPUTS FROM EQUIPMENT OR SYSTEMS
A computer-implemented method for recommending sensors for uses in a system design includes receiving a knowledge graph describing a design of a system of a particular type, and identifying a set of required data items typically needed to model systems of the particular type. The knowledge graph is analyzed to identify one or more missing data items included in the set of required data items but not in the design of the system. For each missing data item, a physical device generating the missing data item identified and a recommendation is generated for placement of a sensor at a corresponding output of the physical device. Each recommendation is then presented to a user.
An on board unit (OBU) of a train may determine that a trip or shift has ended and may initiate a train log-off procedure. The OBU may monitor for at least one alert condition during performance of the log-off procedure, the at least one alert condition comprising a condition wherein unauthorized train movement is possible. In response to detecting the at least one alert condition, the OBU may report the at least one alert condition and disable the train log-off procedure until the OBU determines that the at least one alert condition is resolved. In response to failing to detect the at least one alert condition and/or in response to determining that the at least one alert condition is resolved, the OBU may complete the train log-off procedure.
At least one monitoring element may be configured to sense a current drawn by equipment being monitored from at least one power source and produce a monitoring signature representing the sensed current. At least one sensor may be configured to output a detection signal in response to a change in a monitored condition. At least one circuit element may be placed in series between the at least one power source and the equipment being monitored. The at least one circuit element may be configured to couple the at least one power source and the equipment being monitored by default and decouple the at least one power source from the equipment being monitored in response to receiving the detection signal. The monitoring signature may include a feature representing the change in the monitored condition in response to the at least one circuit element decoupling the at least one power source from the equipment being monitored.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
83.
FAULT TOLERANT SERVICES FOR INTEGRATED BUILDING AUTOMATION SYSTEMS
A system (200) and method (300) is provided for controlling building fluid distribution. The system may cause a variable air volume building ventilation system (100) to operate at different combinations of different fan speeds for different damper opening configurations. For each different combination of fan speed and damper opening configuration, the system may: determine a static pressure measurement (228) for each terminal unit based on a flow measurement (220) determined by terminal box controllers using a pressure sensor (120); and determine a static pressure measurement (230) for the supply fan from a pressure sensor (124) mounted in a ventilation duct downstream of the at least one supply fan and upstream of each terminal unit. The system may also determine and store in each terminal box controller, a friction loss coefficient (232) based on the static pressure measurements for the supply fan and the terminal units.
F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
A system (100) and method (400) is provided for qualitative analysis of baseband building automation networks. The system may include a processor (102) configured to carry out a plurality of tests on a serial communication network (128) that includes at least one field device (204, 306, 308) that carries out building automation communications on the network. A first test may include: transmitting a series of queries (310) for devices on the network, in which the queries are transmitted at incrementally lower transmission signal levels until message loss is detected; and determining a first lower signal level (134) at which transmissions of queries occur without message loss on the network. In addition, the processor may be configured to determine and output on a display device (112) at least one classification (130) of the relative quality of the network with respect to at least one predetermined scale of relative network quality based at least in part on the first lower signal level.
A system for simulating a railroad track. The system comprises one or more modular track simulation units that are smaller than conventional track simulators and are easy to use with and be connected to a device being tested (e.g., grade crossing predictor). Each track simulation unit may have one of a plurality of impedances associated with a corresponding railroad track length. The units are combinable such that the system can simulate multiple, different track lengths. Each unit has a plurality of test points that can be connected to the device under test and/or used to alter conditions of the simulated track.
A method (200) for monitoring and evaluating performance of a driver (180) of a vehicle (160) through operation of a processor (310) includes recording (210) data by a vehicle (160), correlating (220) the data (170) to a driver (180) of the vehicle (160), and evaluating (230) a performance of the driver (180) based on the data (170), wherein the performance of the driver (180) is evaluated in a plurality of categories (115). Further, a driver rating system (100) and computer system (300) performing a method for monitoring and evaluating performance of a driver (180) of a vehicle (160) are disclosed.
An apparatus and a method for discovery and identification of equipment and operational data in a building automation system (BAS), wherein: a definition file is read into memory (502); a database of elements of the BAS is accessed (504); a subsystem of the BAS is selected (506); the database is searched and a mapping of points and equipment is generated (508); inconsistencies in the mapping is identified (510), e.g. equipment not discovered (512), equipment discovered in error (516), duplicate equipment discovered (520), incorrectly mapped point (524), unmapped points (528); and the inconsistencies are resolved, e.g. by identification of the equipment not discovered (514), by removing the equipment discovered in error (518), by removing the duplicate equipment (522), by remapping the incorrectly mapped point (526), by mapping unmapped points (530).
An apparatus and a method for the configuration of a building automation system (BAS), wherein: the value categories for a project, such as "Energy", are selected (1502) via a graphical user interface (900); the equipment that is present in the BAS is then selected (1504) via a graphical user interface (1102); a point mapping is generated (500,1506) from data contained in a database of the BAS in response to the selection of the value category and the equipment; project rules are selected (1508) via a graphical user interface (1300), wherein a plurality of project rules are presented in response to the value category and the equipment selected for the project; equipment rules that apply to a piece of equipment associated with the project rules may be reviewed and selected (1510); the selected rules and equipment are then reviewed for readiness (1512); and if points or mappings are identified as missing (1512), then they need to be defined for the rules to function properly (1506-1510), else the configuration file may be defined (5014) and implemented. The rules are predefined and accessed from a rules catalog. The rules catalog may be located on a cloud server (132) or on the processor controlled device (102).
An advanced preemption system may comprise at least one motion detector and at least one advanced preemption processing system in communication with the at least one motion detector. The at least one motion detector may be configured to detect motion within at least one motion detection zone, the at least one motion detection zone containing a section of railroad track outside of a track circuit containing a railroad crossing where a thoroughfare crosses the railroad track. The at least one advanced preemption processing system may be configured to receive, from the at least one motion detector, an indication that motion has been detected within the at least one motion detection zone and activate at least one traffic control element for the thoroughfare before a train enters the track circuit.
B61L 29/32 - Timing, e.g. advance warning of approaching train
B61L 29/28 - Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
B61L 29/30 - Supervision, e.g. monitoring arrangements
B61L 29/22 - Operation by approaching rail vehicle or rail vehicle train electrically
A disconnect/test terminal block may include a body including a front side and a back side including a protruding part. The block may include at least one circuit element disposed in the body. The block may include at least one case wire terminal disposed on the front side of the body and coupled to the at least one internal circuit. The block may include at least one field cable terminal disposed on the protruding part and coupled to the at least one internal circuit.
A terminal block for use with a railroad terminal board may include a terminal block body comprising first and second sides, a plurality of first connection posts extending from the first side of the body, and a second connection post extending from the second side of the body. The second connection post may be connected to one of the plurality of first connection posts. The second connection post may be configured to mount the terminal block to the railroad terminal board. The terminal block body may include a single hole extending through the first and second sides and configured to accept a mounting screw for mounting the terminal block to the railroad terminal board.
Methods, mediums, and systems include use of a system manager application (228) in a data processing system (200) to create a replay in a graphical user interface (230), to receive (502) replay criteria, identify (504) any replay devices (116), replay sensors (304), replay actuators (306), and replay functions (310) corresponding to the replay criteria from among the plurality of devices (116), sensors (304), and actuators (306), identify (506) a replay time period corresponding to the replay criteria, gather (508) replay data for the identified replay devices (116), replay sensors (304), replay actuators (306), or replay functions (310) corresponding to the replay criteria that was generated during the replay time period, and display (510) the replay in the graphical user interface (230) according to the replay data.
A windshield wiper system (100) includes a pivoting wiper arm (110); a wiper blade (120) for wiping a surface (102); and a connector assembly (128) coupling the pivoting wiper arm (110) to the wiper blade (120), the connector assembly (128) comprising a gear drive (130) including at least one drive gear (132) and at least one positioning cog (136), wherein the gear drive (130) rotates the wiper blade (120) based on an angular position of the pivoting wiper arm (110) such that an arc of a motion path (320) of the wiper blade (120) is reduced.
A railroad crossing control system (100) includes a constant warning time device (40) with a control unit (50) configured to produce multiple signals, and a wheel sensing system (120) comprising at least one sensor (122) connected to a rail (20a, 20b) of a railroad track (20) at a predetermined position (P), wherein the wheel sensing system (120) detects a presence of railroad vehicle travelling on the railroad track (20) such that the at least one sensor (122) detects wheels of the railroad vehicle using electromagnetic fields, wherein the wheel sensing system (120) provides speed values of the railroad vehicle to the constant warning time device (40), and wherein the constant warning time device (40) produces a constant warning time signal for controlling a railroad crossing warning device in response to receiving the speed values of the wheel sensing system (120).
A railroad communication system (100, 200) includes a wayside control device (130) in communication with one or more railroad crossing warning device(s) (140, 145) located at a railroad grade crossing (125), wherein the one or more railroad crossing warning device(s) (140, 145) are activated in response to a signal of the wayside control device (130). An autonomous motor vehicle (150) approaches the railroad grade crossing (125), wherein the wayside control device (130) is configured to communicate information in response to an activation of the one or more railroad crossing warning device(s) (140, 145), and wherein the autonomous motor vehicle (150) is configured to receive the information.
An extendible conveyor transport and installation apparatus and method. The apparatus includes a plurality of support columns (112). The apparatus includes two runway beams (116) supported by the support columns (112), wherein the runway beams (116) can travel longitudinally along the support columns (112). The apparatus includes at least one bridge girder assembly (118) mounted between the two runway beams (116). The apparatus includes at least one hoist trolley (120) mounted on each of the at least one bridge girder assemblies (118). The runway beams (116) can travel along the support columns (112) into a position where the runway beams (116) extend past the support columns (112).
B60P 1/54 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading
A windshield wiper system includes a pivoting wiper arm (110), a wiper blade (120) for wiping a surface (102), and a connector assembly (130) coupling the pivoting wiper arm (110) to the wiper blade (120). The connector system (130) includes a first connecting member (140) directly coupled to the wiper arm (110) and a second connecting member (150) directly coupled to the wiper blade (120). The first connecting member (140) and the second connecting member (150) are movably coupled to each other, wherein a position of the first connecting member (140) relative to the second connecting member (150) is based on an angular position of the pivoting wiper arm (110).
Aspects of the disclosed embodiments generally relate to railway track circuits, in particular track circuits using both AC and DC signals to detect train presence, train position within a block and to detect broken rails even if a train is present in the block.
B61L 23/04 - Control, warning or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
A mid of train (MOT) mobile unit for use with a train to bridge communications between a head of train (HOT) device installed in a locomotive and an EOT device installed on a last car of the train. The MOT mobile unit comprises a first hose for mounting the MOT mobile unit between first and second railway cars of the train located near a middle of the train. The MOT mobile unit further comprises a first radio for communications with an end of train (EOT) unit disposed on one end of the train and a second radio for communications with a head of train (HOT) unit disposed on other end of the train. With the first and second radios jointly the MOT mobile unit provides a repeater device functionality for communicating between the EOT unit and the HOT unit.
patents
