Abstract: Disclosed is a networked system for detecting conditions at a physical premises. The networked system includes a local computer system configure to read a configuration file that determines processing performed by the local computer system and evaluate collected sensor data with respect to the configuration file, for first sensor data to be processed by the local computer, and execute unsupervised learning models to continually analyze the first sensor data to produce operational states and detect drift sequences that are correlated to stored determined conditions. The networked system also includes a remote computer system that execute unsupervised learning models to continually analyze the collected sensor information. An alert is asserted by at least one of the local computer and the remote computer based on the determined conditions.

Abstract: A method for controlling HVAC equipment includes using a dynamic thermal model that describes heat transfer characteristics of a building to predict a temperature of the building as a function of control inputs to HVAC equipment that operate to affect the temperature of the building. The method includes obtaining time-varying utility prices and a predicted heating or cooling load for the building and performing a predictive control process using the dynamic thermal model, the time-varying utility prices, and the predicted heating or cooling load to generate the control inputs to the HVAC equipment subject to constraints on the temperature of the building.

Abstract: A building management system (BMS) interface system. The BMS interface system includes a user interface and a BMS controller in communication with the user interface. The BMS controller includes a processor. The processor is configured to display a graphical scheduling interface on the user interface and receive a scheduling input from the user interface. The processor is further configured to extract one or more scheduling elements from the received scheduling input and convert the scheduling elements into one or more BMS data objects. The processor is further configured to update the graphical scheduling interface displayed on the user interface. The processor is also configured to execute one or more scheduling instructions based on the received scheduling input, wherein the scheduling instructions are associated with the operation of one or more BMS devices.

Abstract: A building management system includes a plurality of devices of building equipment and a system manager. The system manager is configured to control the devices of building equipment and generate a user interface. The user interface includes a command widget configured to allow a user to input a first command to control a first device of the plurality of devices of building equipment and an add annotation box configured to allow a user to add an annotation to the command. The system manager is further configured to control the first device in response to the command and store the annotation in an annotation database.

Abstract: Systems and methods for controlling a movable component using back electromotive force (BEMF)-based feedback are described. The system includes an actuator operatively coupled to the movable component. The actuator includes a motor for driving the movable component. The actuator includes a BEMF circuit for measuring a BEMF produced by the motor while driving the movable component. The system includes a processing circuit communicably coupled to the motor and the BEMF circuit. The processing circuit receives, from the BEMF circuit, a BEMF signal generated by the BEMF circuit as the motor drives the movable component. The processing circuit determines, based on the BEMF signal, an active range of the motor which corresponds to a full stroke of the movable component. The processing circuit controls the motor to drive the movable component within the active range.

Abstract: A building management system includes a communications bus, an old master controller device; and slave devices. The slave devices are configured to detect that the old master controller device has stopped communicating over the communications bus and to perform an algorithm to determine a new master controller device from the slave devices. The algorithm is based on a device identifier associated with each of the slave devices. The new master controller device is further configured to assume the functions of the master controller device. The functions of the master controller device include transmitting control signals to the slave devices.

Abstract: A building management system includes building equipment operable to affect a physical state or condition of a building, a system manager, and a cloud-based data platform. The system manager is coupled to the building equipment via a system bus and includes memory storing a device identifier uniquely identifying the system manager. The cloud-based data platform is configured to generate a device shadow for the system manager prior to installation of the system manager at a building site. The device shadow includes a virtual representation of the system manager including the device identifier. The system manager is configured to establish a communications link with the cloud-based data platform upon installation of the system manager at the building site. The cloud-based data platform is configured to update the device shadow based on information received from the system manager via the communications link.

Abstract: A method for visualizing and managing entities and connections between entities based on a graphical user interface (GUI) node editor includes constructing an entity datablock, wherein the entity datablock is a data structure describing an entity and comprises entity descriptive information, an entity category, an entity name, entity relationships, and an entity identifier. The method includes establishing the entity relationships as bi-directional relationships, wherein the bi-directional relationships link two disparate entities. The method further includes representing the entity datablock as a node and the bi-directional relationships as lines connecting two nodes, wherein the node comprises at least one of the entity descriptive information, the entity category, or the entity name.

Abstract: A building management system includes one or more memory devices configured to store instructions thereon, that, when executed by one or more processors, cause the one or more processors to receive a publication by an agent on an agent communication channel, the publication comprising timeseries data, identify, based on the publication, an object entity of an entity database associated with the agent, wherein the entity database includes one or more object entities and relationships between the one or more object entities and one or more data entities, identify a data entity related to the object entity based on a relationship of the relationships relating the object entity and the data entity, and ingest the timeseries data into the data entity.

Abstract: A building energy management system includes building equipment, a data collector, an analytics service, a timeseries database, and an energy management application. The building equipment monitor and control one or more variables in the building energy management system and provide data samples of the one or more variables. The data collector collects the data samples from the building equipment and generates a data timeseries including a plurality of the data samples. The analytics service performs one or more analytics using the data timeseries and generates a results timeseries including a plurality of result samples indicating results of the analytics. The timeseries database stores the data timeseries and the results timeseries. The energy management application retrieves the data timeseries and the results timeseries from the timeseries database in response to a request for timeseries data associated with the one or more variables.

Abstract: A sensor in a building HVAC system includes a transducer configured to measure a variable in the building HVAC system and to generate a sensor reading indicating a value of the measured variable. The sensor includes a communications interface configured to provide the sensor reading to a control device in the building HVAC system and a near field communication (NFC) circuit separate from the communications interface. The NFC circuit is configured to facilitate bidirectional NFC data communications between the sensor and a mobile device. The sensor includes a processing circuit having a processor and memory. The processing circuit is configured to wirelessly transmit data stored in the memory of the sensor to the mobile device via the NFC circuit, wirelessly receive data from the mobile device via the NFC circuit, and store the data received from the mobile device in the memory of the sensor.

Abstract: A system includes primary zone control circuitry coupled to a set of zones, wherein the primary zone control circuitry is configured to communicate a first control signal to master control circuitry via a first communication bus, communicate one or more second control signals to one or more corresponding second zones, and communicate one or more third control signals to secondary zone control circuitry via a second communication bus. The master control circuitry is configured to control a first zone airflow to a first zone based on the first control signal. Each control signal of the one or more second control signals is configured to control a respective second zone airflows to the one or more corresponding second zones. The secondary zone control circuitry is configured to control one or more third zone airflows to one or more corresponding third zones based on the one or more third control signals.

Abstract: A vapor compression system that includes an evaporator system that changes a temperature of a fluid flowing across the evaporator system using a refrigerant. The evaporator system includes a first evaporator section that cools the fluid flowing across the first evaporator section using the refrigerant. The evaporator system also includes a second evaporator section that is capable of alternatively cooling and heating the fluid flowing across the second evaporator section with the refrigerant. A valve system controls a flow of the refrigerant through the second evaporator section between a first flow path of the evaporator system and a second flow path of the evaporator system. The refrigerant heats the fluid flowing across the second evaporator section as the refrigerant flows through the first flow path and the refrigerant cools the fluid flowing across the second evaporator section as the refrigerant flows through the second flow path.

Abstract: The present disclosure relates to a heat exchanger coil prototyping system. The heat exchanger coil prototyping system includes a heat exchanger coil with a first conduit and a second conduit that carry a refrigerant. The first conduit includes a first open end and a second open end. The second conduit includes a third open end and a fourth open end. A fin couples to the first conduit and the second conduit. A quick release connector system also couples to the first and second conduits. The quick release connector system includes a first quick release connector assembly that couples to the first open end of the first conduit and to the third open end of the second conduit to route the refrigerant between the first and second conduits. A second quick release connector assembly couples to the second conduit.

Abstract: A vehicle exhaust system component includes an exhaust tube defining an exhaust gas flow path, a side branch tuning tube connected to the exhaust tube at an interface, and a porous structure associated with the exhaust tube to reduce noise generated at the interface. In one example, the porous structure comprises a perforated orifice in the exhaust tube. In another example, the porous structure comprises a mesh screen or mesh sleeve.

Abstract: A building control system determines the uncertainty in a break even temperature parameter of an energy use model. The energy use model is used to predict energy consumption of a building site as a function of the break even temperature parameter and one or more predictor variables. The uncertainty in the break even temperature parameter is used to analyze energy performance of the building site.

Abstract: Systems and methods for implementing a machine control system in a construction machine having an implement with an extender. The machine control system may include an acceleration sensor mounted to the implement and a processor configured to perform various operations. The operations may include determining that the extender is not moving and in response operating under a first control scheme. Operating under the first control scheme may include receiving acceleration data from the acceleration sensor, generating an estimated slope of the implement based on the acceleration data, and modifying a slope of the implement based on the first estimated slope by causing movement of at least one tow arm. The operations may also include determining that the extender is moving and in response operating under a second control scheme. Operating under the second control scheme may include maintaining the slope of the implement substantially constant.

Abstract: A computerized method of assigning a building automation system point type to a plurality of unclassified data points is provided. The method includes receiving unclassified data points and attributes for each data point. The method includes receiving classifications for a first subset of the unclassified data points. Each classification associates a data point with a building automation system point type. The method includes generating a term set containing substrings that appear in the attributes. The method includes generating a first matrix describing a frequency that the substrings appear in the attributes. The method includes calculating an indicator of a probability that the presence of the selected substring results in the data point belonging to the selected point type. The method includes assigning a point type to a second subset by finding the substring and potential point type pair having the greatest indication of probability.

Abstract: A controller for heating, ventilation, or air conditioning (HVAC) equipment including a processing circuit configured to perform a first optimization to generate a first set of control decisions for HVAC equipment including waterside HVAC equipment that consume resources from utility providers to generate a heated or chilled fluid and airside HVAC equipment that receive and use the fluid from the waterside HVAC equipment to heat or cool a supply of airflow for a building. The processing circuit is configured to perform a second optimization subject to a constraint based on a result of the first optimization to generate a second set of control decisions for the HVAC equipment and to combine the first and second sets to generate a combined set of control decisions for the HVAC equipment. The processing circuit is configured to operate the HVAC equipment in accordance with the combined set of control decisions.

Abstract: A machine for road work can comprise a frame, a plurality of ground engaging units, a plurality of vertically moveable legs, each leg connecting one of the plurality of ground engaging units to the frame, a pair of spatial sensors, such as global navigation satellite system (GNSS) sensors, and a controller configured to, in response to a three-dimensional signal received from each of the spatial sensors, activate at least some of the plurality of vertically moveable legs.