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: The present disclosure relates to a heating, ventilation, and/or air conditioning (HVAC) system including a heating coil and an actuation system configured to couple to the heating coil. The actuation system is configured to rotatably position the heating coil in a first orientation crosswise to an airflow path in a heating mode, and rotatably position the heating coil in a second orientation substantially removed from the airflow path in a cooling mode.

Abstract: An exhaust aftertreatment system for use with over-the-road vehicle is disclosed. The exhaust aftertreatment system includes a reducing agent mixer with a mixing can and a flash-boil doser configured to inject heated and pressurized reducing agent into the mixing can for distribution throughout exhaust gases passed through the mixing can.

Abstract: The present disclosure relates to a mixer and an exhaust aftertreatment system comprising the mixer. The mixer comprises a shell, an injection port, a first baffle, a second baffle, a deflector, and an impactor, wherein the first baffle is provided with a gas inlet, the second baffle is provided with a gas outlet, the first baffle and the second baffle are disposed opposite each other, and the first baffle, the second baffle and the shell provide a flow space for an exhaust gas to flow in the mixer; and in the flow space, the first baffle, the shell, the deflector and the impactor provide a mixing space, the deflector comprises a first deflecting surface opposite the first baffle, the deflector is disposed adjacent to the impactor, and the impactor is disposed opposite the injection port for impacting a liquid injected from the injection port into the mixing space. The mixer and the exhaust aftertreatment system have the advantages of a simple structure and a high processing efficiency.

Abstract: A method for controlling energy usage of one or more building devices associated with a building space including determining, by the one or more processing circuits based on a simulation, penalties associated with the one or more varied operating values of the one or more building devices, wherein the penalties indicate user behavior that causes energy inefficiency of the one or more building devices, and selecting, by the one or more processing circuits, one or more optimal operating values from the varied one or more operating values based on one or more future environmental conditions and a number of the penalties associated with each of the one or more varied operating values.

Abstract: The present disclosure relates to a thermostat including a control base configured to couple with and support a portable thermostat, wherein the control base is configured to determine a measure of an environmental condition of a local environment of the control base and communication circuitry of the control base configured to communicate the measure to facilitate control of an HVAC system.

Abstract: A vehicle includes an exhaust aftertreatment system for use with an automotive internal combustion engine. The system includes a reducing agent mixer configured to deliver a reducing agent for mixing with exhaust gases produced by the engine. The reducing agent mixer includes a mixing can defining an internal space, a doser configured to inject the reducing agent toward the internal space, and a reducing agent delivery device configured to direct the reducing agent into the internal space.

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: An actuator includes an actuator housing having a first engagement feature and a motor located within the actuator housing and configured to rotate a driver. The actuator also includes a stroke limiting component coupled to the driver and has a second engagement feature. One of the first and second engagement features is a channel and another of the first and second engagement features is a protrusion. The protrusion is configured to fit within the channel to define a stroke of the actuator based at least in part on a length of the channel or a length of the protrusion.

Abstract: The present disclosure relates to a control box configured to connect to heating, ventilation, and/or air conditioning (HVAC) equipment. The control box includes an outer housing and a divider wall located within the outer housing that separates a high voltage section of the control box and a low voltage section of the control box. The control box also includes a controller disposed within the low voltage section and first wiring extending from the controller to the HVAC equipment via a first passage formed in the outer housing. Additionally, the control box includes second wiring extending between the low voltage section and the high voltage section via a second passage formed in the divider wall. Furthermore, the control box includes a cover configured to engage the outer housing to cover the low voltage section while exposing the high voltage section.

Abstract: An HVAC system within a building including an HVAC device having an air filter, a number of sensors, and a control device. The control device has a processor that is configured to determine a current air quality metric based on air quality measurements received by the sensor. The control device is further configured to calculate an average air quality metric based on the current air quality metric and a set of previous air quality metrics. The control device is further configured to store the average air quality metric. The control device is further configured to generate an air filter type recommendation based on the average air quality metric.

Abstract: A variable air volume controller includes a communications interface and a processing circuit. The communications interface is configured to facilitate communication with an external device and building equipment. The processing circuit is configured to store a plurality of predefined, selectable-applications; receive a selection of one of the plurality of predefined, selectable-applications; and implement the selected application such that the building equipment is controlled according to the selected application.

Abstract: A control system configured to serve one or more energy loads in a building comprises equipment configured to consume, produce, or store one or more resources including electricity, water, natural gas, steam, hot thermal energy, cold thermal energy, or electrical energy. The control system includes an asset allocator configured to receive an input model that describes a physical layout of the equipment and create a net list that defines connections between the equipment using the input model. The asset allocator is configured to discover one or more systems of interconnected equipment and one or more groups of equipment using the net list, formulate an optimization problem using the systems and groups of equipment, and operate the equipment according to the optimization problem.

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 controller for HVAC equipment stores a cascaded model that includes a disturbance model configured to predict a heat disturbance affecting the building zone as a function of one or more exogenous parameters and a physics model configured to predict a temperature of the building zone as a function of the heat disturbance and an amount of heating or cooling provided to the building zone by HVAC equipment. The processing circuit is configured to execute a combined training procedure to determine parameters of the disturbance model and parameters of the physics model, generate control signals for the HVAC equipment using the disturbance model to predict the heat disturbance and applying the heat disturbance as an input to the physics model, and operate the HVAC equipment to provide the heating or cooling to the building zone in accordance with the control signals.

Abstract: A method includes defining a plurality of monitored spaces. For each of at least a subset of the plurality of monitored spaces, the method includes associating a set of laboratory equipment with the monitored space, calculating an equipment utilization score for the monitored space based on resource consumption data for the set of laboratory equipment, calculating an occupancy utilization score for the monitored space based on occupant tracking data for the monitored space, and calculating a combined utilization score based on the equipment utilization score and the occupancy utilization score. The method also includes providing a graphical user interface comprising the combined utilization scores for the subset of the plurality of monitored spaces.

Abstract: Disclosed is a system to control a climate of a space via a first control loop and a second control loop interacting with the first control loop. The system includes a first controller of the first control loop to generate a first control signal based on a first modified set point and a first feedback signal. The system further includes a second controller of the second control loop to generate a second control signal based on a second modified set point and a second feedback signal. The system further includes a decoupler configured to predict a first effect of the first control signal on the second control loop and a second effect of the second control signal on the first control loop, and generate the first modified set point and the second modified set point to reduce the first effect and the second effect.

Abstract: A user interface for a security system includes a processing circuit, the processing circuit including a processor and memory coupled to the processor, the memory having instructions stored thereon that, when executed by the processor, cause the processing circuit to receive, from a user via a user device, a user request for information relating to the security system, determine, using natural language processing, an intent and one or more entities associated with the user request, the intent describing a purpose of the user request and the one or more entities describing a type or source of security system data, generate a response to the user request based on the intent and the one or more entities, wherein the response is a graphical display of security system data, and send the response to the user device.

Abstract: A heat pump system includes a heat exchanger coil and a heater configured to transfer heat to the heat exchanger coil. The heat pump system also includes a controller communicatively coupled to the heater. The controller is configured to activate the heater in response to determining that a detected temperature of the heat exchanger coil is below a threshold temperature for a threshold time period.

Abstract: A building management system includes a controller for one or more devices of the building management system and a system manager communicably coupled to the controller. The controller includes a priority array for a point object managed by the controller. The priority array includes a plurality of commands for the point object and defines a priority of each command. The system manager is configured to retrieve the priority array from the controller, generate a user interface identifying the plurality of commands in the priority array and the priority of each command, receive a new command from a user, and update the user interface to include a preview of the priority array indicating how the priority array would change if the new command were applied to the priority array.