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).
2.
SYSTEM AND METHOD FOR HIGH VENTILATION OF OUTDOOR AIR
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
3.
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
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.
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
10.
SYSTEMS AND METHODS FOR FAULT DIAGNOSTICS IN BUILDING AUTOMATION SYSTEMS
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 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 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 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 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
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
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 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
16.
SUPPORT SYSTEM FOR AUTOMATED BUILDING MANAGEMENT ASSISTANCE
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.
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
G05B 15/02 - Systems controlled by a computer electric
19.
SYSTEMS AND METHODS TO DETECT DIRT LEVEL OF FILTERS
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.
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.
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.
G08B 19/00 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
G08B 21/02 - Alarms for ensuring the safety of persons
G08B 25/10 - 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 wireless transmission systems
23.
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 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.
G08B 23/00 - Alarms responsive to unspecified undesired or abnormal conditions
G05B 15/02 - Systems controlled by a computer electric
H04L 67/1097 - Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
25.
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
26.
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 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.
G05B 19/406 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
28.
SYSTEMS AND METHODS FOR INTELLIGENT DISINFECTION OF DISINFECTION ENVIRONMENTS THROUGH USE OF ULTRA-VIOLET LIGHTS
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.
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.
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
31.
CONTROL SYSTEM FOR HVAC COMPRISING AN AIR-HANDLING UNIT AND A TERMINAL UNIT AND METHOD OF OPERATING SAID CONTROL SYSTEM
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
32.
FAULT TOLERANT SERVICES FOR INTEGRATED BUILDING AUTOMATION SYSTEMS
There is described a multiple services for integrated building (MSIB) server, and method thereof, for accessing at least one building automation system (BAS). The MSIB comprises a memory, a controller, a communication interface, and a data store. The memory has instructions for a virtual node hosting environment, and the controller executes the instructions for the hosting environment. The hosting environment allocates memory and processor resources to one or more virtual nodes generated in the hosting environment. The communication interface is accessed in response to one or more services that are configured in the virtual node for communication with elements of the BAS. The data store stores data collected via the configured services and received in response to the communication with the elements of the BAS. The collected data is accessible by one or more data consumer.
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.
H04L 41/22 - Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
34.
CONFIGURATION OF FAULT DETECTION AND DIAGNOSTIC RULES IN A BUILDING AUTOMATION SYSTEM
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 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).
A ground fault circuit interrupter (GFCI) having an automatic self-test feature is configured to disable a trip circuit therein during a self test, yet still allow the trip circuit to respond during the self test to detection of a large ground fault by tripping a main contact switch of the GFCI. The GFCI includes circuitry that overrides the disablement of the trip circuit during a self test in response to detection of a ground fault that exceeds a predetermined threshold. Methods of disabling a trip circuit of a GFCI during a self test while still allowing the trip circuit to respond during the self test to detection of a large ground fault are also provided, as are other aspects.
H01H 83/04 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
37.
CIRCUIT BREAKER LOCKOUT SUBASSEMBLIES, AND CIRCUIT BREAKERS AND METHODS INCLUDING SAME
A lockout subassembly of an electronic circuit breaker. The lockout subassembly includes a rotatable latch bar having an engagement portion configured to engage with and prevent movement of an operating handle to an ON position, the rotatable latch bar including a lock portion, and a latch device configured to be receivable in the lock portion, wherein rotation of the rotatable latch bar is limited between a first and second rotational position in response to the latch device being received in the lock portion. The lockout of the operating handle can be removed upon passing at least one test so that the operating handle can be moved to the ON position. Circuit breakers including the lockout subassembly and methods of operating the circuit breaker are provided, as are other aspects.
Systems and methods are provided for attaching flexible conduit to a fitting. Prongs (84) of a conduit retention clip (85) are configured to be arranged opposite sides of the flexible conduit (95) in an aperture (83) of the fitting. By aligning the prongs (84) in grooves of the flexible conduit (95), the flexible conduit (95) is held in place in the aperture of the fitting without sufficient compression to surpass the structural limits of the fitting.
Systems and methods are provided for attaching flexible conduit (95) to an adapter. A pin (85) is inserted opposite a retention rib (89) molded into an aperture of the adapter. Due to the geometry of the flexible conduit (95) and the location of the pin (85) and the retention rib (89), once inserted, the pin (85) secures the flexible conduit (95) and prevents the flexible conduit (95) from coming loose.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution box; Ensuring electrical continuity in the joint
A remote battery monitor (410) that is configurable based upon the data from the battery (402) and is able to monitor the condition of the battery (402) while the battery (402) is present in a circuit (500).
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]
G08B 29/18 - Prevention or correction of operating errors
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
41.
VISUALLY-IMPAIRED-ACCESSIBLE BUILDING SAFETY SYSTEM
Building safety systems, methods, and mediums are provided. A method includes receiving a voice input by the building safety system. The method includes receiving voice data produced by a speech recognition process performed on the voice input. The method includes determining a response to the voice input based on the voice data. The method includes producing the response by the building safety system.
G08B 7/06 - Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using electric transmission
G08B 3/10 - Audible signalling systems; Audible personal calling systems using electromagnetic transmission
G08B 21/02 - Alarms for ensuring the safety of persons
G08B 25/01 - 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
42.
SYSTEM AND METHOD FOR TESTING A BUILDING CONTROL SYSTEM THAT CONTROLS AND MONITORS ENVIRONMENTAL CONDITIONS IN A BUILDING
85018884 Abstract A system for facilitating testing of a building control system are provided. Building control systems are used to control and monitor environmental conditions in buildings. The system includes a rack with a housing, a terminal panel and slidable field panels mounted in the housing. The terminal panel includes connection terminals that are wired to respective component terminals mounted to the field panels. The system also includes a story board including a schematic illustration that depicts components of a heating, ventilating, and air conditioning (HVAC) system, and a plurality of instruments mounted at locations on the illustration adjacent the depicted components of the HVAC system, which instruments receive inputs from and provide outputs to the building control system through wires connected to the connection terminals of the rack, so as to mimic aspects of an HVAC system in order to test the configuration of the building control system in the rack. Date Recue/Date Received 2020-06-02
Systems (100), methods, and devices for live paging from a mobile device (400) in operable communication with a fire control panel (200) are provided. Upon an occurrence of a stimulus activity at a fire control panel, e.g., an emergency event, an operator, remote from the fire control panel, may launch a control application (270) from the mobile device. Upon launching the control application, a connection between the mobile device and the fire control panel may be established, and a microphone (415) coupled to the mobile device may be activated for the operator to begin paging. The page may then be broadcasted in real-time via one or more annunciators (268) operably connected to the fire control panel, or, as a recorded message.
A system (100) and method (1500) is provided that facilitates controlling and monitoring environmental conditions in buildings. The system may include at least one rack (102) including: a plurality of slidable field panels (108, 110, 112) mounted in a housing. The slidable field panels may be in side-by-side relation in a horizontal direction (166) and may be configured to independently slide at least partially out of a front side opening of the housing via a plurality of slides (116). The slidable field panels may include a plurality of components (118) mounted to vertical walls (114) thereof, including: transformers (124) and building control modules (128). The rack may also include a terminal panel (204) including a plurality of connection terminals (206) facing a back side opening of the housing. The connection terminals may be respectively wired to respective terminals of the transformers and building control. The system may include at least one data processing system (136) including at least one processor (138) configured to communicate with the building control modules to cause the rack when a heating, ventilating, and air conditioning (HVAC) system (144) is wired to at least some of the connection terminals, to monitor and control the HVAC.
A system (100) and method is provided that facilitates optimizing building system control of patient rooms to enhance patient outcomes. A processor may be configured to determine a customized environmental condition (110) for a medical condition that contributes to a positive medical outcome for the medical condition based on environmental conditions (112) associated with each of a plurality of patient rooms (122, 124) and patient data (118) for patients in each of the plurality of rooms. Such patient data includes at least one medical condition (114) associated with each patient and at least one medical outcome (116) associated with the at least one medical condition. The processor may cause a building system (126) to control an environment of a patient room (120) to have the customized environmental condition (110) based on a determination that the medical condition (130) for the customized environmental condition corresponds to the same medical condition (132) that is associated with a patient (128) in the patient room.
A system (100) and method (600) is provided that facilitates passive building information discovery. The system may include a processor (102) configured to track positions in a building (128) of portable devices (142, 144) over time and based thereon determine characteristics of the building including locations (130, 132) in the building where at least some of the portable device are unauthorized, based on communications received from radio-frequency (RF) sensors (134, 136, 138, 140) mounted in spaced-apart relation across the building. Such communications may include information detected by the RF sensors from RF signals from the portable devices that uniquely identify each portable device. The processor may be configured to determine when at least one of the portable devices is detected via a communication from at least one of the RF sensors at a determined unauthorized location in the building, and responsive thereto provide at least one notification that indicates that the at least one portable device was detected at the unauthorized location.
A circuit breaker having first and second electrical contacts configured to generate an electrical arc upon being separated, an arc chamber surrounding at least a portion of a space between the first and second electric contacts, at least one expansion chamber positioned proximate to the arc chamber, and an arc pressure control valve assembly configured to allow threshold-based flow into and out of the at least one expansion chamber. An arc pressure control valve assembly and method of operating a circuit breaker are described, as are other aspects.
H01H 71/00 - ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES - Details of the protective switches or relays covered by groups
H01H 33/72 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
H01H 33/86 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
A method for operating an air handling unit of an HVAC system. The method includes opening an outside air flow control device to enable breathing air flow during a high outdoor air time period to a first zone having a first number of occupants and a second zone having a second number of occupants that is less than the first number of occupants. The outside air flow control device is then closed to enable conditioning air flow during a low outdoor air time period to the first and second zones. Further, a variable air volume (VAV) air flow control device provides desired amounts of breathing air to the first and second zones suitable for the first and second number of occupants, respectively. A VAV air temperature control device then provides conditioning air to the first and second zones having a suitable temperature for the first and second number of occupants.
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 3/06 - 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 characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
Systems 100 and methods for archiving data, e.g., log files with live audio, corresponding to an emergency event is provided. Upon an occurrence of a safety event, a notification device 300, e.g., a smoke detector, detects smoke, and transmits an alert to a fire control panel (FACP) 200. Upon receiving the alert, the FACP generates a log file 280 with data corresponding to the devices responsive to the event. Additionally, a live audio file corresponding to the event is generated, via the FACP or other device 400. The FACP may then connect to a data controller 510, via a gateway application 255, for transmitting the log file and audio file for archiving the same. An audio message of the audio file may then be embedded, via an embedding means 275, into the log file.
An approach for generating programming for a system where a user answers initial hardware and configuration questions and an application controlled by a processor generates a program using multi-associational data model for execution by a system controller, points list, point cross reference list, sequence of operation, commissioning checklist, functional tests, and flowchart.
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 11/64 - Electronic processing using pre-stored data
An approach for generating programming for a system where a user answers initial hardware and configuration questions and an application controlled by a processor generates a program using multi-associational data model for execution by a system controller, points list, point cross reference list, sequence of operation, commissioning checklist, functional tests, and flowchart.
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
Technical solutions are described for tuning a building control system, such as a variable air volume system, which includes intervened control loops. In one aspect, a method includes receiving a performance objective of the system. The method also includes generating a collection of values for parameters of the control loops based on stored information that includes a stored velocity and a stored position. The method also includes evaluating the collection of values for the parameters by comparing a performance measure and the performance objective of the system. In response to a difference between the performance objective and the performance measure satisfying a predetermined threshold the collection of values are stored and the control loops are configured according to the stored information for the parameters. The present document further describes examples of other aspects such as systems, computer products.
An electric vehicle supply equipment (EVSE) charging system includes an EVSE charging station that is configured to be coupled to an electric vehicle (EV). The charging system further includes an EVSE cloud server coupled to the EVSE charging station optionally via a charge management network. The EVSE cloud server may automatically determine a charging routine for the EV based on historic rate and charge data of the EV and enable a user to interactively modify the charging routine in real-time. The charging routine may provide one or more charging options to the user based on a desired trade-off between different charging cost structures and the required time to charge the EV.
An approach is described for sending alert messages and notifications (310, 312, 508) to individual communication devices (102, 122, 124) and in a format understandable by a user of the communication device (102, 122, 124).
Methods for integrated room management in a building management system and corresponding systems and computer-readable mediums. A method includes determining a solar heat gain coefficient (SHGC) for a room in a building and determining predicted room temperatures for the room at the plurality of time intervals based on the SHGC and a plurality of window blinds tilt angles. The method includes determining illumination heat and illumination energy for the room and determining climate energy for the room. The method includes determining a total room energy as a function of the window blinds tilt angles based on the climate energy, illumination energy, and predicted room temperatures. The method includes determining an optimal blind tilt angle that minimizes the total room energy at each of the time intervals and controlling the tilt angles of window blinds according to the optimal blind tilt angle.
Methods for integrated room management in a building management system and corresponding systems and computer-readable mediums. A method includes determining (702) a solar heat gain coefficient (SHGC) for a room (400) in a building and determining (704) predicted open-loop room (400) temperatures at a plurality of time intervals based on the SHGC and a plurality of electrochromic glass (ECG) (408) tint levels. The method includes determining (706) illumination heat and illumination energy for the room (400) and determining (708) climate energy for the room (400). The method includes determining (710) a total room energy at each of the time intervals as a function of the ECG (408) tint levels based on the climate energy, illumination energy, and predicted open-loop room temperatures. The method includes determining (712) an optimal ECG (408) tint level that minimizes the total room energy at each of the time intervals and controlling (714) the ECG (408) tint levels according to the optimal ECG tint level.
An approach is that uses a first amount of energy (110, 404) used by a motor (102) to open a vent and reducing the amount of energy to a second amount of energy (112, 406) to maintain the vent in an open position.
Embodiments of a motor control unit (200) for a motor control center (100) and methods for servicing the same are provided. The motor control unit comprises a housing (202) for enclosing one or more electrical components therein. The housing includes a retractable stab assembly (500) and a lead screw assembly (600) operably coupled thereto for extending and retracting one or more stabs for controlling the flow of power to the one or more electrical components.
Degraded or other performance may be predicted with a machine-learnt classifier. Based on operation of many building automation systems, machine learning is applied. The machine learning creates a predictor. The machine- learnt predictor is applied to the operation data of any building automation system to predict future failure or other event, providing prognostics that may be used to plan maintenance and/or schedule remedial action. Machine learning uses big data in the form of data from many building automation systems to learn to automatically predict and/or perform prognostics for other building automations systems.
Data from many buildings is used to machine train a cascade of classifiers. The cascade learns to classify in layers that relate to each other. One classifier identifies one characteristic and the other classifier uses the identified characteristic to identify another characteristic. For example, a cascade learns to classify buildings, efficiency, or cost associated with particular building automation systems (e.g., building A has increased heating cost), to classify the fault leading to the cost (e.g., hot water supply temperature causes increased cost), and to classify the source of the fault (e.g., valve position or valve) in a cascade. The resulting machine-learnt cascade is applied to data for any number of buildings.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
G05B 15/02 - Systems controlled by a computer electric
Using data from various sources, clustering (52) or other unsupervised learning determines a relationship of the data to performance. Meta data or business data different than building automation data is used to diagnose building automation. Relationships of building automation to the meta or business data are determined with clustering (52) or other case-based reasoning. For multiple building situations, clustering (52) with or without the meta data identifies poor performing buildings, equipment, automation control, or enterprise function.
F24F 11/30 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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
G05B 15/02 - Systems controlled by a computer electric
62.
MOTOR CONTROL CENTER UNIT WITH RETRACTABLE STAB ASSEMBLY AND METHODS OF ASSEMBLYING THE SAME
A motor control unit (MCU) and methods of operating and assembling the same are provided. The MCU includes a housing enclosing a retractable stab assembly (RSA) having stabs attached thereto. The MCU further includes a bracket assembly having a mount for securing the bracket assembly to the RSA, guiderails for slideably engaging the RSA to facilitate the extending and retracting motion, and a lead screw accessible via an opening in the front of the housing. Rotating the lead screw causes the RSA to extend and retract which engages and disengages the stabs. The MCU also includes a motor assembly having a drive motor coupled to a drive shaft. The motor rotates the shaft in response to control signals from a remote-device. The motor assembly attaches to the housing such that the rotation of the shaft in response to the signals rotates the lead screw to engage and disengage the stabs.
A motor control unit (MCU) and methods of operating the same are provided. The MCU includes a housing enclosing a retractable stab assembly (RSA) having stabs attached thereto. The MCU further includes a bracket assembly having a mount for securing the bracket assembly to the RSA, guiderails for slideably engaging the RSA to facilitate the extending and retracting motion, and a lead screw accessible via an opening in the front of the housing. Rotating the lead screw causes the RSA to extend and retract which engages and disengages the stabs. The MCU also includes a motor assembly having a drive motor coupled to a drive shaft. The motor rotates the shaft in response to control signals from a remote-device. The motor assembly attaches to the housing such that the rotation of the shaft in response to the signals rotates the lead screw to engage and disengage the stabs.
Using data from various sources, clustering (52) or other unsupervised learning determines a relationship of the data to performance. Meta data or business data different than building automation data is used to diagnose building automation. Relationships of building automation to the meta or business data are determined with clustering (52) or other case-based reasoning. For multiple building situations, clustering (52) with or without the meta data identifies poor performing buildings, equipment, automation control, or enterprise function.
F24F 11/30 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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
G05B 15/02 - Systems controlled by a computer electric
65.
CIRCUIT BREAKER INCLUDING ADJUSTABLE INSTANTANEOUS TRIP LEVEL AND METHODS OF OPERATING SAME
A circuit breaker including an adjustable instantaneous trip level. Adjustable instantaneous trip level can be applied to a one-pole and/or two-pole circuit breakers including a thermal and magnetic mechanism, including AFCI, CAFCI, and/or GFCI constructions. The circuit breaker includes a magnet position adjustment mechanism allowing an operator to adjust the instantaneous trip level to a desired setting, such as between about 5 to 10 times the handle rating. The design also allows for alternate magnets to be used for either an increased or decreased instantaneous settings as desired. In two-pole circuit breakers, the instantaneous trip level can be set independently for each mechanism pole. Multi-pole circuit breakers and methods of adjusting instantaneous trip level are provided, as are other aspects.
An electrical panel meter system may include a controller and a plurality of meter modules. Each meter module may be configured to monitor, read, and store at the meter module electrical data related to electrical power provided to a respective branch circuit of the electrical panel meter system. The controller may be configured to issue a read command simultaneously to each meter module and to store a timestamp indicative of the issuance of the read command. The controller may also be configured to issue a send command sequentially to each meter module to transmit its stored electrical data reading. The controller may further be configured to append the stored timestamp to each received electrical data reading to create a timestamped electrical data reading suitable for use in power quality analyses. Methods of timestamping electrical data sampled in an electrical panel meter system are also provided, as are other aspects.
G01R 22/10 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
G01R 21/133 - Arrangements for measuring electric power or power factor by using digital technique
H02B 1/03 - Boards, panels, desks; Parts thereof or accessories therefor for energy meters
Using information available from the controller or controllers of air-handling units, a remote server uses a heuristic model to determine settings for the air-handling units. Rather than just using rules for each air-handling unit, a model-based solution determines the settings. The model is used to optimize operation of the air distribution. In additional or alternative embodiments, measurements are gathered and used to derive analytics. The measurements may include data not otherwise used for rule-based control of the air handling unit. The analytics are used to predict needs, as inputs to the modeling, identify problems, and/or identify opportunities.
F24F 11/58 - Remote control using Internet communication
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 11/72 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
68.
PASSIVE INDOOR OCCUPANCY DETECTION AND LOCATION TRACKING
An approach to determine occupancy of a space passively with smart devices (300), where the smart device (300) detects a beacon (270a) associated with a room or area in a building.
A method for checking sets of components of a vehicle (100) includes configuring a system control unit (110) of a vehicle to (100) perform a check of a first set of components and a second set of components of the vehicle, the first set of components being different from the second set of components. The first set of components is automatically checked using the system control unit (110). The second set of components is optionally checked using the system control unit (110), wherein the system control unit (110) is configured to disable the check of the second set of components based upon a disable command provided to the system control unit (110). Further, a system for verifying different sets of components and a further method for checking sets of components of a vehicle (100) are described.
B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
B60T 17/22 - Devices for monitoring or checking brake systems; Signal devices
70.
SYSTEMS AND METHODS FOR ADDRESSABLY PROGRAMMING A NOTIFICATION SAFETY DEVICE
Systems, methods, and devices for addressably programming notification devices are provided. The system 100 includes at least a notification device 300 connected to a mobile communication device 400 via a communication link. The mobile communication device 400 includes a wireless transceiver configured to establish communication with the notification device 300, and a configuration list 262 that includes location information 264a associated with the notification device 400 and an address 264b associated with a network connecting the notification device 400 to a control panel 200. The mobile communication device 400 also includes a memory 420 that stores the configuration list 262, and a processor 410 in signal communication with the memory 420 and that executes a plurality of instructions that, upon execution, accesses the configuration list 262 and assigns an address 264b to the notification device 300.
Methods and systems include an actuator (10) adapted to provide drive power and hold power to an external device. A motor (34) provides for driving the external device to a determined position when the motor (34) is energized. A switching circuit is configured to energize the motor (34) with a high voltage to drive the external device to the determined position and energize the motor (34) with a low voltage to hold the external device in the determined position.
Embodiments include a circuit breaker having first and second electrical contacts, the contacts adapted to generate an electrical arc during separation. The circuit breaker also includes an expansion chamber disposed adjacent to at least one of the first and second electrical contacts such that an arcing space is defined by the first electrical contact and the second electrical contact. The expansion chamber includes an opening configured to permit air flow between the arcing space and a chamber of the expansion chamber. During the rising current phase of the arc the pressure in the expansion chamber is built up to match the pressure in the arcing space. At a certain point in time, the pressure in the expansion chamber exceeds the pressure in the arcing space and an air flow is generated that blows cooled gas from the expansion chamber into the arcing space.
H01H 33/73 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in air at atmospheric pressure, e.g. in open air
An electric drive system (300) for a vehicle (200) includes a first generator (306) in communication with a first engine (302), a second generator (308) in communication with a second engine (304), a first rectifier (310) and a second rectifier (312). Each generator (306, 308) has a main winding, each main winding being independently excitable and generating an alternating current (AC) output. A main AC output of the main winding of the first generator (306) is in communication with the first rectifier (310), and a main AC output of the main winding of the second generator (308) is in communication with the second rectifier (312). When in drive mode, the first engine (302) drives the first generator (306) and the second engine (304) drives the second generator (308), and the first and second generators (306, 308) supply power to a plurality of inverters (314, 316, 318, 320) coupled to the first and second rectifiers 310, 312), the plurality of inverters (314, 316, 318, 320) supplying power to a plurality of electric wheel motors (322, 324, 326, 328).
B60L 50/13 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines using AC generators and AC motors
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performance; Adaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
Isolated capacitance line voltage sensing is provided that avoids metal-to-metal contact for voltage sensing of a power signal present on a power wire (102). An external conductor (108) is positioned by the power wire (102), creating a capacitor with the power wire conductor (104), insulation, and external conductor (108). The capacitance is used to measure the electric field, indicating a voltage level for the powered wire (104). The impedance mismatch caused by the capacitance is transformed. The impedance transformation circuit (110) may be integrated with the external conductor (108), allowing voltage sensing by a voltage meter (112) having a lower input impedance. A manual or automatic calibration circuit may be provided to ensure the measured voltage represents the actual voltage on the power wire (102).
Management systems, methods, and mediums are provided. A method includes monitoring a value of a data point associated with a device in an automation system using a set of pairs of event enrollment objects and notification class objects configured to generate and communicate an alarm according to a first protocol. Each of the pairs of objects corresponds to one of a set of offsets defined according to a second protocol. The method also includes writing property values of the pairs of objects for different alarm monitoring modes using a set of command objects. Additionally, the method includes generating and communicating, in response to detecting the value for the data point meeting conditions in at least one of the event enrollment objects, an alarm according to a notification class object paired with the at least one event enrollment object.
G08B 19/00 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G08B 25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
76.
GAMING APPROACH FOR ENERGY EFFICIENT BUILDING CONTROL
An approach is provided for promoting desired behavior when accessing and using building automation systems. Individual users and groups of users of the environmental control devices may have access for modifying points while being identifiable to the building automation system, and gaming approaches may be employed to change undesired actions or reward desired actions. Desired actions may include energy efficient operations, life or fire safety, and security activities, such as turning down a thermostate, turning off lights and other appliances, closing blinds, and arming a security system.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
A method is provided for increasing resolution of resistance sensing. The method may include: determining a maximum resistance position of a resistive device; sensing a voltage that is generated by passing a current through the resistive device when the resistive device is at the maximum resistance position; increasing the current generated by a variable current source by increasing the current value, until the voltage sensed is near a maximum voltage; storing the current value used by the variable current source associated with the maximum voltage as a first current value; determining a minimum resistance position of the resistive device; sensing the voltage that is generated by passing the current through the resistive device when the resistive device is at the minimum resistance position; and decreasing the current generated by the variable current source by decreasing the current value, until the voltage that is sensed is near a minimum voltage.
A mining haul truck driven by electrical wheel motors is operated with all electrical power sources; that is, without a diesel engine. While travelling on the loading site, the mining haul truck is powered by an on-board energy storage system, which can comprise a bank of ultracapacitors. The mining haul truck then moves to the bottom of a trolley ramp and is coupled to trolley lines. While travelling uphill, the mining haul truck is powered by the trolley lines, and the on-board energy storage system is charged by the trolley lines. When the mining haul truck reaches the top of the trolley ramp, the mining haul truck is uncoupled from the trolley lines. While travelling on the unloading site, the mining haul truck is powered by the on-board energy storage system. The on-board energy storage system can also be charged by retard energy generated by the wheel motors during braking
B60L 50/53 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
B60L 50/40 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
B60L 5/00 - Current-collectors for power supply lines of electrically-propelled vehicles
B60L 9/00 - Electric propulsion with power supply external to the vehicle
A method is provided for increasing resolution of resistance sensing. The method may include: determining a maximum resistance position of a resistive device; sensing a voltage that is generated by passing a current through the resistive device when the resistive device is at the maximum resistance position; increasing the current generated by a variable current source by increasing the current value, until the voltage sensed is near a maximum voltage; storing the current value used by the variable current source associated with the maximum voltage as a first current value; determining a minimum resistance position of the resistive device; sensing the voltage that is generated by passing the current through the resistive device when the resistive device is at the minimum resistance position; and decreasing the current generated by the variable current source by decreasing the current value, until the voltage that is sensed is near a minimum voltage.
G01D 5/16 - 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 influencing the magnitude of a current or voltage by varying resistance
B08B 15/02 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
G01D 5/165 - 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 influencing the magnitude of a current or voltage by varying resistance by relative movement of a point of contact and a resistive track
G05D 23/24 - Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. thermistor
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
A method and system of optimally adjusting the environment (808) of a predetermined location (612) based upon the movement of a mobile communication device (506) using location-based services.
A circuit breaker handle actuation device used in conjunction with a circuit breaker having a circuit breaker handle and an external handle located on an electrical enclosure. The device includes a stationary frame having first and second horizontal supports. The device also includes a rotatable frame having first and second horizontal elements which extend from first and second vertical elements, respectively. The first and second vertical elements are rotatably attached to the first and second horizontal supports. In addition, an opening for receiving the circuit breaker handle is located between the first and second vertical elements. Further, the device includes a rotatable bracket having first and second vertical arms which are rotatably attached to the first and second horizontal elements, respectively, wherein the rotatable bracket is connected to the external handle. Movement of the external handle between ON, OFF and RESET/PARK positions causes corresponding movement of the circuit breaker handle.
Systems, methods, and medium remotely monitor and control heating, ventilation and air-conditioning (HVAC) units. The method includes receiving by a processor via a communication network supply temperature data indicating a supply air temperature in a duct coupled to an HVAC unit. The method includes receiving by the processor via the communication network zone temperature data of a space being maintained by the HVAC unit. The method includes receiving by the processor via the communication network thermostat data from a thermostat in the space and analyzing by the processor at least one of the supply temperature data, the zone temperature data and thermostat data. The method includes generating by the processor a control signal responsive to the analysis and transmitting via the communication network the control signal to an HVAC controller, wherein the control signal causes the HVAC controller to control the HVAC unit.
A system for determining a sash panel position. An example system includes a linear array of light emitting elements spaced at equal distances from one another mounted on a fume hood frame. The light emitting elements generate a light path towards a sash panel such that the sash panel blocks the light path when positioned at the light emitting element. A linear array of light sensing elements is spaced at equal distances from one another on a side opposite the sash panel. The light sensing elements receive the light path generated by corresponding light emitting elements when the sash panel does not block the light path. The light sensing elements may be on modules having shift registers with bits corresponding to the light sensing elements. The shift register stores a state of the light sensing element and outputs a series of bits indicating the state of each light sensing element.
G01B 11/28 - Measuring arrangements characterised by the use of optical techniques for measuring areas
G01V 8/20 - Detecting, e.g. by using light barriers using multiple transmitters or receivers
B08B 15/02 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
A method for navigating information includes identifying a value for a property of a first object associated with one or more devices managed by a management system. The method includes displaying a first plurality of tiles for a plurality of objects, including the first object. A first of the tiles is associated with the first object and includes a display of a graphic associated with the object and the identified value for the property. The method includes identifying a plurality of related objects that are related to the first object and displaying a second plurality of tiles for the related objects in response to receiving a selection of the first tile for the first object. Additionally, the method includes displaying, in response to receiving a selection of a second tile in the second plurality of tiles for one of the related objects, information about the one related object.
Systems and methods for determining the area of a sash opening in a fume hood formed by at least one movable sash panel. An emitter and sensor panel is mounted in a fume hood enclosure space. The emitter and sensor panel comprises at least one light emitter mounted on one side of an optical sensor. The at least one light emitter is configured to illuminate the fume hood enclosure space. At least one reflective marker is mounted on one edge of the sash opening to reflect light from the at least one light emitter. Optical information detected at the optical sensor is used to determine a variable distance to the at least one reflective marker. The variable distance and known distance parameters are used to determine the area of the sash opening.
G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
B08B 15/02 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
86.
SYSTEM FOR MONITORING MULTIPLE BUILDING AUTOMATION SYSTEMS
A method for execution on a computing device includes transmitting first identification information to a server processing circuit via the Internet. The server processing circuit identifies a plurality of geographically dispersed systems corresponding to the first identification information. Information including geographical coordinates and system status information is received for each system. A set of geographical boundary coordinates are determined. Moreover, a visible characteristic value for each system is determined based on the corresponding system status information. A map presentation function executed by a second processing circuit displays a map based on the geographic boundary coordinates, and displays a plurality of visible indicators on the map. Each of the plurality of visible indicators has a position on the map corresponding the geographical coordinates of a corresponding system. Each of the plurality of visible indicators has a visible characteristic corresponding to the visible characteristic value of the corresponding system.
G05B 15/02 - Systems controlled by a computer electric
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
87.
SYSTEM AND METHOD FOR GROUND FAULT DETECTION IN A TRANSFORMER ISOLATED COMMUNICATION CHANNEL OF A NETWORK DEVICE
A system and method for non-intrusive fault detection of a ground fault in a communication channel is provided. A bias voltage may be established on a first portion of the communication channel and a second portion of the communication channel. A first voltage may be detected across a first resistor electrically connected to the first and second portions of the communication channel. Data indicative of whether the ground fault exists in the first or second portions of the communication channel may be provided based on the detecting.
Systems and methods for determining the area of a sash opening in a fume hood formed by at least one movable sash panel. Fume hoods have sash panels mounted over a hood opening to an enclosure structure of the fume hood. The sash panels are moved to open or close the fume hood at the sash opening for access to a work surface. A camera is mounted in a fume hood enclosure space to capture an image of the sash opening. An area determining function is configured to receive a digital representation of the image. The image is analyzed by detecting edges in the image. The image edges corresponding to edges of the sash opening are identified. The area of the sash opening is determined by applying a scaling value to the area formed by the image edges corresponding to the area of the sash opening.
G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
B08B 15/02 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
89.
SYSTEM AND METHOD FOR FAIL-SAFE COMMUNICATION ACROSS A COMPROMISED COMMUNICATION CHANNEL OF A NETWORK DEVICE
A system and method for providing communication over a compromised communication channel in a system having a first node and a second node connected via the communication channel is provided. For example, a signaling circuit may be provided. The signaling circuit includes a master signal electrically connected to first and second portions of the communication channel. The first and second portions of the communication channel are employed in the first node. The signaling circuit further includes a slave signal processor arrangement coupled to the master signal processor arrangement and electrically connected to third and fourth portions of the communication channel. The third and fourth portions of the communication channel are employed in the second node.
A method for determining a height of a sash opening formed by a movable sash in a fume hood. The method includes providing a laser device on the hood and providing a reflector on the sash. In addition, the method includes positioning the sash in an open position to form the sash opening and measuring a first distance between the laser device and the reflector when the sash is in the open position. The method also includes calculating the sash height based on the first distance
G01S 17/08 - Systems determining position data of a target for measuring distance only
G01S 17/36 - Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
B08B 15/02 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
G01B 11/28 - Measuring arrangements characterised by the use of optical techniques for measuring areas
91.
CONFIGURATION OF A BUILDING AUTOMATION SYSTEM CONTROLLER
An approach for configuration of a controller in a building automation system (BAS) using a code that may be generated by the BAS, but accessed without a network work connection
A system and method for reducing an electrical load in a facility or building with an automated demand response server having a hierarchical grouping of demand stages and demand groups with associated timers that control the shedding of load in order to achieve the appropriate level of load reduction and ramping up devices in a controlled manner upon the expiration of a demand response event.
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
A building automation system includes a plurality of components, with each of the plurality of components associated with point data. A method of controlling the building automation system includes establishing communications between a mobile computing device and a building automation network of the building automation system. The method further includes receiving point data from the building automation system via the building automation network. In addition, the method includes identifying a plurality of components of the building automation system based on the point data received from the at least one building automation network and generating a model of the building automation system based on the point data.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
Automation systems, methods, and mediums. A method includes identifying a first amount of energy consumed by a plurality of devices in a building during a first period of time while a first device in the plurality of devices is in a first state to form a first baseline. The method includes identifying a second amount of energy consumed by the plurality of devices during a second period of time while the first device is in a second state. Additionally, the method includes generating an estimated energy consumption of the first device based on a difference between the first baseline and the second amount of energy consumed.
Radon detection or sensing (40) is provided within a building automation system (12) for a site (e.g., building or campus) (14). As such, one or more short-term and/or long-term radon levels may be detected or monitored (46). The radon levels are monitored from a remote location. The building automation system (12) may be programmed to automatically respond to a specific (e.g., unsafe) radon level and/or a change in one or more radon levels, or combinations thereof, in order to mitigate or reduce the monitored or detected radon levels. Trending, pattern comparison between radon level and other measured information, automated response, interaction or response between different radon sensors (24), or combinations thereof may be provided by integrating one or more radon sensors (24) into a building automation system (12).
G01T 1/178 - Circuit arrangements not adapted to a particular type of detector for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain-water
G01T 7/00 - MEASUREMENT OF NUCLEAR OR X-RADIATION - Details of radiation-measuring instruments
Systems, methods, and mediums perform automated functionality testing for a heating ventilation and air conditioning (HVAC) system. A method includes receiving a user input to test one of a heating or cooling functionality of the HVAC system. The method also includes identifying an amount to change a setpoint for a zone controller for the HVAC system based on the user input. The method further includes changing the setpoint for the zone controller to force the HVAC system into one of a heating mode and a cooling mode in accordance with the user input. Additionally, the method includes storing data from the HVAC system operating in the one of the heating mode and the cooling mode
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
Systems, methods, and mediums generate an energy usage baseline. A method includes receiving historical energy usage data for a building. The method includes identifying a historical energy usage baseline as a function of temperature based on the historical energy usage data. The method includes receiving measurements for current energy usage for the building to form a set of energy usage measurements. The method includes associating the set of energy usage measurements with values for temperature for an area where the building is located. The method includes generating a correction factor for the historical energy usage baseline based on a comparison of the set of energy usage measurements with a portion of the historical energy usage baseline corresponding to the values for temperature associated with the set of energy usage measurements. The method includes generating an adjusted energy usage baseline by applying the correction factor to the historical energy usage baseline.
A variable flow device includes a body supporting a first orifice and a second orifice, and a drive mechanism. The variable flow device further includes a first valve actuator coupled to the drive mechanism and linearly shiftable between a first open position and a first closed position, the first valve actuator incorporates a first valve stem including a first conical portion sized to symmetrically engage the first orifice when the first valve stem is shifted to the first closed position, and a second valve actuator coupled to the drive mechanism and linearly shiftable between a second open position and a second closed position, the second valve actuator incorporates a second valve stem including a second conical portion sized to symmetrically engage the second orifice when the second valve stem is shifted to the second closed position
G05D 16/20 - Control of fluid pressure characterised by the use of electric means
F16K 11/16 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane
F16K 31/04 - Operating means; Releasing devices magnetic using a motor
100.
METHODS AND SYSTEMS IN AN AUTOMATION SYSTEM FOR VIEWING A CURRENT VALUE OF A POINT IDENTIFIED IN CODE OF A CORRESPONDING POINT CONTROL PROCESS
Automation systems, methods, and mediums. A method includes displaying, in a user interface, a portion of code associated with a process running in the automation system. The process is associated with a point variable in the automation system. The portion of code includes the point variable. The method further includes identifying a location of a cursor in a user interface in response to detecting the cursor in the location associated with the user interface for a period of time. The method includes requesting the point value of the point variable in the portion of code and associated with the location of the cursor. The method includes receiving the value associated with the variable over a network connection. The method includes displaying the point value in the user interface in association with the point variable
patents
