Abstract: A method for updating heating, ventilation, or air conditioning (HVAC) devices is provided. The method includes receiving an update package at a first HVAC device of a plurality of HVAC devices via a network. The update package includes an identification of a plurality of device models and a plurality of software updates. The method includes determining that a device model for the first HVAC device is identified by the update package and in response to a determination that the device model for the first HVAC device is identified by the update package, extracting a first software update corresponding to the device model for the first HVAC device from the update package and installing the first software update on the first HVAC device. The method includes transmitting the first update package to a second HVAC device of the plurality of HVAC devices via the network.

Abstract: A modular water based heating and cooling system for providing chilled or heated water to terminal devices in a building to heat/cool individual zones in the building. The system includes a flow control device in fluid communication with a riser chilled water supply line, a riser chilled water return line, a riser heated water supply line, and a riser heated water return line. The flow control device includes first control valves and second control valves. Terminal device supply lines extend from the flow control device and are connected to respective first control valves. Terminal device return lines extend from the flow control device and are connected to respective second control valves. The first control valves and the second control valves cooperate to supply required chilled water or heated water through the terminal device supply lines to terminal devices based on the cooling/heating requirements of the terminal devices.

Abstract: A building management system including one or more circuits configured to receive a selection of an object associated with one of a building system, a piece of equipment, or a space of one or more building systems, one or more pieces of equipment, and/or one or more spaces of a building; determine the one or more pieces of equipment related to the object and/or the one or more spaces related to the object; and generate a graphical user interface illustrating (i) a relationship of the object with (a) the one or more pieces of equipment related to the object and/or (b) the one or more spaces related to the object and/or (ii) a control path between the object and (a) the one or more pieces of equipment related to the object and/or (b) the one or more spaces related to the object.

Abstract: A control system includes processing and memory circuitry, the memory circuitry storing a temperature-based capacity control scheme for a chiller system and the processing circuitry being configured to perform the temperature-based capacity control scheme. The motor temperature-based capacity control scheme is performed as a function of a monitored temperature in a motor configured to drive a compressor of the chiller system, a first temperature threshold corresponding to the monitored temperature, and a second temperature threshold corresponding to the monitored temperature higher than the first temperature threshold.

Abstract: The present disclosure describes techniques for improving configuration of a heating, ventilation, and air conditioning (HVAC) system. In some embodiments, a control system of a heating, ventilation, and air conditioning (HVAC) system includes control circuitry and memory. The memory stores instructions that, when executed by the control circuitry, causes the control circuitry to control air flow supplied to a first building zone by the HVAC system based on a temperature setpoint schedule associated with the first building zone; and control air flow supplied to a second building zone by the HVAC system based on a constant temperature setpoint associated with the second building zone.

Abstract: A heat exchanger system includes a heat exchanger coil, a base of a foam structure including a clamp with a first arm and a second arm, where the first arm and the second arm are configured to exert a clamping force against the heat exchanger coil, and a vertical member of the foam substructure coupled to the base and abutting a cover of the heat exchanger system, where the base and the vertical member are configured to block air flowing through the heat exchanger from flowing into a void between the heat exchanger coil and the cover.

Abstract: An anti-pinch system and a method for a platform screen door and a train are disclosed. The system includes: a platform screen door (PSD) anti-pinch safety host, a three-dimensional laser radar and an alarm, wherein when both the platform screen door and a train door are in a closed state, the three-dimensional laser radar performs a three-dimensional scanning detection on an obstacle in an area between the platform screen door and the train in real time at an end of a platform by using an emitted laser scanning surface, and sends detection information of the obstacle to the PSD anti-pinch safety host; the detection information includes three-dimensional contour information of the obstacle; the PSD anti-pinch safety host is configured to process the detection information and send a processing result to the alarm; and the alarm is configured to send out an alarm according to the processing result.

Abstract: A value-added remote display service wireless routing server device includes one or more user-end image medium transmission electronic devices, a value-added routing server, a destination-end image medium display device and an actuation device connected to each user-end image medium transmission electronic device and having actuateable operation buttons. Each user-end image medium transmission electronic device transmits image data through a wired or wireless local area network to the value-added routing server, which, based on network band width and data processing capability, presets magnification/reduction resolution and designated displaying location to the image data transmitted from each user-end image medium transmission electronic device and transmits corresponding image display screen data to the destination-end image medium display device for displaying.

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes a heat pump having a housing. The HVAC system also includes an energy recovery ventilator (ERV) or heat recover ventilator (HRV) integrated with the heat pump such that an access panel to the ERV or HRV faces outwardly from the housing of the heat pump, and such that the access panel is accessible at an outer boundary of the housing.

Abstract: A building energy management includes building equipment, one or more data platform services, a timeseries database, and an energy management application. The building equipment operate to monitor and control a variable and provide raw data samples of a data point associated with the variable. The timeseries database stores a plurality of timeseries associated with the data point. The plurality of timeseries include a timeseries of the raw data samples and the one or more optimized data timeseries generated by the data platform services based on the raw data timeseries. The energy management application generates an ad hoc dashboard including a widget and associates the widget with the data point. The widget displays a graphical visualization of the plurality of timeseries associated with the data point and includes interactive user interface options for switching between the plurality of timeseries associated with the data point.

Abstract: A sensor unit includes an air quality sensor configured to generate air quality data that includes a value for volatile organic compounds. The sensor unit is configured to determine a first health metric indicative of a condition within a space in which the sensor unit is located based on the value in a first mode of operation, to determine a second health metric indicative of a person's health based on the value in a second mode of operation, and to generate a notification indicating at least one of the first health metric or the second health metric.

Abstract: A building management system includes connected equipment configured to measure a plurality of monitored variables and a predictive diagnostics system configured to receive the monitored variables from the connected equipment; generate a probability distribution of the plurality of monitored variables; determine a boundary for the probability distribution using a supervised machine learning technique to separate normal conditions from faulty conditions indicated by the plurality of monitored variables; separate the faulty conditions into sub-patterns using an unsupervised machine learning technique to generate a fault prediction model, each sub-pattern corresponding with a fault, and each fault associated with a fault diagnosis; receive a current set of the monitored variables from the connected equipment; determine whether the current set of monitored variables correspond with one of the sub-patterns of the fault prediction model to facilitate predicting whether a corresponding fault will occur; and determin

Abstract: A building management system includes connected equipment configured to measure a plurality of monitored variables and a predictive diagnostics system configured to receive the monitored variables from the connected equipment; generate a probability distribution of the plurality of monitored variables; determine a boundary for the probability distribution using a supervised machine learning technique to separate normal conditions from faulty conditions indicated by the plurality of monitored variables; separate the faulty conditions into sub-patterns using an unsupervised machine learning technique to generate a fault prediction model, each sub-pattern corresponding with a fault, and each fault associated with a fault diagnosis; receive a current set of the monitored variables from the connected equipment; determine whether the current set of monitored variables correspond with one of the sub-patterns of the fault prediction model to facilitate predicting whether a corresponding fault will occur; and determin

Abstract: A model predictive maintenance (MPM) system for building equipment includes an operational cost predictor configured to predict a cost of operating the building equipment over a duration of an optimization period, a maintenance cost predictor configured to predict a cost of performing maintenance on the building equipment over the duration of the optimization period, and an objective function optimizer configured to optimize an objective function to predict a total cost associated with the building equipment over the duration of the optimization period. The objective function includes the predicted cost of operating the building equipment and the predicted cost of performing maintenance on the building equipment. The MPM system includes an equipment controller configured to operate the building equipment to affect a variable state or condition in a building in accordance with values of one or more decision variables obtained by optimizing the objective function.

Abstract: A method for zone-based control of devices within a building management system (BMS) includes receiving a request to control a zone in a building. The method includes identifying a plurality of available zones in the building. The method includes receiving a selection to control a first zone from the plurality of available zones. In response to the selection, the method includes generating a password to restrict control of at least one device in the first zone. The method includes transmitting the password to the user device. The method includes receiving, via the input interface of the zone device different from the user device, the password. The method includes authorizing, responsive to receipt of the password via the input interface of the zone device, control of the at least one device in the first zone.

Abstract: A method for controlling a variable refrigerant flow (VRF) system includes applying a time window to sensor data associated with the VRF system, the sensor data including input data points and having a first resolution, wherein applying the time window to the sensor data isolates a subset of the input data points; applying a timing weight to one or more input data points in the subset of the input data points to generate corrected data points having a second resolution higher than the first resolution; creating a virtual sensor and mapping the corrected data points to an output of the virtual sensor; and controlling the VRF system based on an output of the virtual sensor. The use of virtual sensors with a higher resolution than corresponding physical sensors in this manner allows for existing physical sensors to be used while improving performance of the VRF system.

Abstract: A method performed by a Building Management System (BMS) includes receiving a vibration dataset associated with a machine controlled by the BMS. The vibration dataset includes machine metadata, machine operating conditions, and one or more time waveforms. The method further includes assembling a feature vector comprising one or more features of the vibration dataset for input to a machine learning model. The machine learning model is associated with a component of the machine. The method further includes applying the feature vector to the machine learning model in order to generate a condition score for the component. The method further includes scheduling a maintenance event for the machine or changing a setpoint associated with the machine depending on the condition score.

Abstract: A heat exchanger system that includes a heat exchanger that includes a plurality of circuits wherein the heat exchanger is configured to exchange heat between a refrigerant and a working fluid. The heat exchanger system also includes a valve configured to fluidly couple a circuit of the plurality of circuits to a flow path of the refrigerant. Further, the heat exchanger system includes a controller that is configured to receive feedback indicative of an operating parameter of the heat exchanger system and actuate the valve based on the operating parameter.

Abstract: A system for controlling a flow rate of a fluid through a valve is provided. The system includes a valve and an actuator. An actuator drive device is driven by an actuator motor and is coupled to the valve for driving the valve between multiple positions. The system further includes a flow rate sensor configured to measure the flow rate of the fluid through the valve and a controller that is communicably coupled with the flow rate sensor. The controller is configured to receive a flow rate measurement from the flow rate sensor, adjust a control deadband based on an actuator command history, and determine a compensated position setpoint using the flow rate measurement, the adjusted control deadband, and a proportional variable deadband control technique. The controller is further configured to operate the motor to drive the drive device to the compensated actuator position setpoint.

Abstract: A smart circuit breaker is configured for installation within a panel assembly. The smart circuit breaker includes a breaker device positioned between a power source and a subcircuit, the breaker device having a moveable contactor configured to change from an open state to a closed state, wherein in the closed state power flows from the power source to the subcircuit via a power line, and wherein in the open state power does not flow from the power source to the subcircuit. The smart circuit breaker further includes a power meter configured to measure a power characteristic of the subcircuit. The smart circuit breaker further includes a processing circuit configured to receive a power characteristic measurement from the power meter, the processing circuit having a communications interface configured to communicate power consumption data to an external device, the power consumption data based on the power characteristic.