Abstract: An adaptive airflow control system can be used to position damper systems or controlling air units utilized in an environment control system. The environment can include a controller. The controller includes a circuit configured to provide a control signal in response to a sensed flow signal. The control signal is related to a desired rate of flow provided across a component. The circuit is configured to provide the control signal in accordance with a system gain factor calculated using a pressure factor which represents a pressure drop across the component associated with a unit of the environment control system.

Abstract: A Building Management System (BMS) can include one or more memory devices that can store instructions thereon. The instructions can, when executed by one or more processors, cause the one or more processors to receive a first set of data corresponding to a piece of building equipment for a building, transmit the first set of data to a system to integrate the piece of building equipment with the system, receive a second set of data that includes one or more second values corresponding to second timeseries data associated with the piece of building equipment, detect a difference between one or more first values and the one or more second values that indicates a Change of Value (COV) for at least one parameter associated with the one or more second values, and transmit a third set of data that identifies the COV without a subsequent transmission of the semantic information.

Abstract: A controller for HVAC equipment uses a predictive model for the HVAC equipment to calculate a plurality of values of a model-predicted heating or cooling load of the HVAC equipment at a plurality of time steps within a time period, obtains a plurality of values of an actual heating or cooling load of the HVAC equipment at the plurality of time steps within the time period, generates a calibration model that relates the model-predicted heating or cooling load to the actual heating or cooling load using the plurality of values of the model-predicted heating or cooling load and the plurality of values of the actual heating or cooling load, uses the calibration model to calculate calibrated values of the model-predicted heating or cooling load of the HVAC equipment, and operates the HVAC equipment using the calibrated values of the model-predicted heating or cooling load.

Abstract: A controller for equipment that operates to affect a variable state or condition of a building including one or more processors and non-transitory computer-readable media storing instructions that, when executed by the processors, cause the processors to perform operations. The operations include performing model predictive control and proportional, integral, derivative control using adaptive artificial intelligence, performing tampering prediction using adaptive artificial intelligence, or detecting degradation using adaptive artificial intelligence.

Abstract: A controller for one or more pumps in a central plant is configured to obtain first values of flow rate of a fluid provided by the one or more pumps to a building or campus and corresponding first values of a pressure differential across the building or campus during a first time period, generate a system curve for the building or campus that defines a relationship between the flow rate and the pressure differential using the first values of flow rate and pressure differential during the first time period, predict a second value of the pressure differential across the building or campus during a second time period using the system curve and a second value of the flow rate during the second time period, and operate the one or more pumps to achieve the second value of the pressure differential across the building or campus during the second time period.

Abstract: An HVAC controller includes one or more processors and one or more non-transitory computer-readable media storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising determining a filtration efficiency of an air filter located within an air handling unit and positioned to filter a pollutant from an airstream provided to a building zone by the air handling unit, determining an internal generation rate of the pollutant within the building zone, and initiating an automated action based on the filtration efficiency of the air filter within the air handling unit and the internal generation rate of the pollutant within the building zone.

Abstract: A Building Management System (BMS) can include one or more memory devices that can store instructions thereon that, when executed by one or more processors, cause the one or more processors to receive a selection of a plurality of parameters associated with one or more pieces of building equipment of a building, identify an evaluation to test a performance of the one or more pieces of building equipment, determine a routine to perform the evaluation, retrieve a plurality of control parameters associated with a plurality of elements of the routine, and transmit control signals to the one or more pieces of building equipment to execute the routine.

Abstract: A sensor device including a housing and a number of sensors.

Abstract: Systems and methods for reducing health risks with respect to an infectious disease in buildings. Health data for an infectious diseases is used to determine a health risk level for building spaces and individuals in the building. An air handling action or a disinfection action is performed based on the health risk level.

Abstract: A building management system comprising a database storing relationships between a plurality of building objects representing building equipment and building spaces and a configuration tool. The configuration tool is configured to obtain configuration data associated with a first building object of the plurality of building objects and use the relationships between the plurality of building objects to identify a second building object having a stored relationship with the first building object. The configuration tool is also configured to automatically generate configuration data for the second building object based on the configuration data associated with the first building object and the relationship with the second building object.

Abstract: A zoning system for a heating, ventilation, and/or air conditioning (HVAC) system includes a temperature control device configured to monitor a temperature in a zone of a structure for conditioning by the HVAC system and configured to send a wireless control signal including data based on the temperature, and a damper actuator configured to be associated with the zone and configured to adjust a position of a damper to control an airflow into the zone, where the damper actuator is configured to receive the wireless control signal from the temperature control device and configured to adjust the position of the damper based on the data.

Abstract: A method for controlling building equipment includes generating building data relating to conditions in a building space using a generative artificial intelligence model. The method also includes determining whether the building data correspond to conditions in the building space that comply with one or more regulations or certification standards. The method includes, in response to determining that the building data correspond to conditions in the building space that comply with the one or more regulations or certification standards, using the building data to operate building equipment that serve the building space.

Abstract: A heating and cooling system includes a reversing valve configured to adjust a flow of refrigerant through the heating and cooling system, where the reversing valve includes a first configuration to flow the refrigerant through a first circuit of the heating and cooling system and a second configuration to flow the refrigerant through a second circuit of the heating and cooling system. The heating and cooling system also includes a controller configured to determine an operating parameter of a compressor of the heating and cooling system, where the controller is configured to adjust operation of the compressor based on the operating parameter to adjust a position of the reversing valve.

Abstract: A system includes a first subsystem configured to produce a resource by consuming electricity, a second subsystem configured to produce the resource by consuming a fuel, and a controller. The controller is configured to determine an allocation of a predicted demand for the resource over a future time period between the first subsystem and the second subsystem based on a first carbon emissions rate associated with off-site production of the electricity and a second carbon emissions rate associated with on-site consumption of the fuel. The controller is also configured to control the first subsystem and the second subsystem to produce the resource in accordance with the allocation during the future time period.

Abstract: A brokering architecture is disclosed. The brokering architecture focuses on storing changes to the building system. Measurements are quantized to an integer representation and encoded so that time series data is stored in a series of changes of value. The encoded timeseries may be compressed using compression schemes that advantageously make use of small changes between adjacent stored values of the timeseries. Compressed timeseries values allow more data to be stored in RAM or other short-term storage and provide a more responsive system to control physical systems like buildings. Timeseries compression may be provided through extensions accessed through a structured data format on the message bus. Extensions can cause the execution of certain instructions based on the fields in the structured data and may be used to provide functionality in addition to timeseries compression including BACnet communications, predictions, and simulations.

Abstract: A control panel comprising a display configured to display a quick response (QR) code, and a processing circuit having a processor and a memory having computer-executable instructions embodied therein that, when executed by the processor cause the processing circuit to perform operations. The operations comprise receiving, from a plurality of systems associated with a building, building data, and encoding the QR code based on the building data such that the QR code changes responsive to changes in the building data, wherein the changes in the QR cause the QR code to provide different interfaces or applications when scanned by a user device.

Abstract: A brokering system used in distributed building controls provides multiple tiers of storage. Data can be requested at any time during the processing of new data received from a building device. Complex event processors, low latency control, and/or display interfaces may request and be provided data from memory (e.g., tier one storage) of a message broker. Digital twins and/or optimization algorithms may wait until data is stored to local disk before information is obtained. Other applications may wait until data is saved in the remote database before using the data to perform calculations. Data may be compressed and stored in timeseries that are accessed by a single requested to the message broker.

Abstract: Systems and methods are disclosed that create a deployment package for commissioning of a building control system. The deployment package may include a series of automated validation sequences that ensure each equipment and/or device is properly configured and installed. A validation sequence is performed, and the behavior is compared to expected behavior for the sequence. A brokering architecture facilitates the commissioning by providing a fixed schema to all applications communicating over the message bus, thus standardizing the deployment package and the validation sequences. Correlations between data may be found and used when data is missing in the same or similar equipment.

Abstract: A brokering architecture is disclosed. The brokering architecture focuses on storing changes to the building system. Measurements are quantized to an integer representation and encoded so that time series data is stored in a series of changes of value. The encoded timeseries may be compressed using compression schemes that advantageously make use of small changes between adjacent stored values of the timeseries. Compressed timeseries values allow more data to be stored in RAM or other short-term storage and provide a more responsive system to control physical systems like buildings. Timeseries compression may be provided through extensions accessed through a structured data format on the message bus. Extensions can cause the execution of certain instructions based on the fields in the structured data and may be used to provide functionality in addition to timeseries compression including BACnet communications, predictions, and simulations.

Abstract: A distributed control system is provided by a brokering architecture. Message brokers running within multiple compute environments coordinate communication and data storage for control applications. Control applications run in one compute environment send the results to the message broker which may store the data for future calculations and/or send the data to a remote data base. Control applications may be state-less and store all information in the message brokers. Data from one environment may be sent over a message bus to other environments to be used as inputs to calculations. The distributed control system is used to provide responsive control to various building equipment.