Abstract: A system including a valve positioned in a conduit, wherein the valve is configured to change fluid flow through the conduit. The system includes an actuator having a motor that is configured to selectively rotate the valve toward a desired valve orientation. The system is configured to receive a request for a desired valve orientation, control the motor to move the valve into the desired valve orientation, and sense a condition corresponding to a current valve orientation following movement by the motor. The system is configured to determine if the sensed condition indicates that the current valve orientation matches the desired valve orientation from the request, and, responsive to determining that the current valve orientation does not match the desired valve orientation from the request, control the motor to selectively rotate the valve in a direction to move the valve towards the desired valve orientation.

Abstract: A method includes storing a golden copy of a device tree binary of a system in a trusted execution environment, identifying whether one or more parameters of a running copy of a device tree binary of the system are different from corresponding parameters of the golden copy by comparing the running copy with the golden copy, and performing a corrective action responsive to an indication that at least one of the one or more parameters of the running copy are different from the corresponding parameters of the golden copy.

Abstract: A method for controlling production of one or more refined resources by an energy provider includes predicting a demand for the refined resources by one or more consumers of the refined resources as a function of an incentive offered by the energy provider. The method further includes performing an optimization of an objective function subject to a constraint based on the predicted demand for the refined resources to determine an amount of the refined resources for the energy provider to produce and a value of the incentive at multiple times within a time period. The method also includes providing setpoints for equipment of the energy provider that cause the equipment to produce the amount of the refined resources determined by performing the optimization.

Abstract: A system includes a communications interface communicably coupled to a computing environment and a client device corresponding to a first tenant of a plurality of tenants of the computing environment. The computing environment includes a plurality of resources, at least one resource being accessible by the client device, and a processing circuit including a processor and memory, the memory storing instructions that, when executed by the processor, cause the processor to perform operations including generating a multi-organization token for the at least one resource based on credentials corresponding to the first tenant, receiving a request to access the at least one resource in the computing environment, the request including the first tenant-specific token, determining whether the first tenant-specific token is valid, and providing access to the at least one resource in the computing environment responsive to a determination that the first tenant-specific token is valid.

Abstract: A method for automatically managing and responding to alarms in a building management system. The method includes obtaining an operating procedure comprising a set of action items to be performed in response to an alarm in the building management system. The method includes determining, for an action item of the set of action items, whether the action item is capable of being performed automatically by the building management system or whether the action item requires user involvement. The method further includes in response to determining that the action item is capable of being performed automatically, automatically performing the action item by the building management system. The method further includes in response to determining that the action item requires user involvement, providing the action item to a user device for action by a user.

Abstract: A central plant includes a plurality of subplants including a chiller configured to output supply water at a supply water temperature, a sensor configured obtain a measurement of the supply water temperature, and a control system. The control system is configured to calculate an additional load factor based on the measurement of the supply water temperature and a supply water temperature setpoint, obtain an actual load for the chiller, calculate an effective load based on the additional load factor and the actual load, generate load allocations for the plurality of subplants based on the effective load, and control the plurality of subplants to operate in accordance with the load allocations.

Abstract: A sensor for measuring current flow includes a power generation circuit, a current measurement circuit and a microcontroller. The power generation circuit includes a current transformer that harvests energy from a load applied to the conductor and uses the harvested energy to power the current measurement circuit and microcontroller. The current measurement circuit includes a Hall effect sensor that outputs a voltage signal in response to detecting a magnetic flux generated by the flow of current through the conductor. The microcontroller calculates a current measurement based on the voltage signal received from the current measurement system. The Hall effect sensor is able to generate the voltage signal used to measure current flow at the same time that the current transformer harvests energy from the current flowing through the conductor. A fault detection system is able to alert a user to problems with the current transformer and/or the Hall effect sensor.

Abstract: A building device of a building includes or is in communication with a processing circuit configured to store one or more files, each of the one or more files comprising instructions and a ledger, the ledger comprising information describing at least one of the one or more files. The processing circuit is configured to verify the one or more files by retrieving a root ledger from storage of the processing circuit, wherein the root ledger comprises information based on one or more characteristics of a blockchain, reassembling the blockchain based on the ledger of each of the one or more files, verifying the blockchain with the root ledger, and verifying the one or more files with the verified blockchain. The processing circuit is configured to execute the instructions of the one or more files in response to a determination that the one or more files are verified.

Abstract: A method for determining relative angles and/or trigonometric functions of the relative angles between coupled rigid bodies arranged in a series, where the series includes at least a rigid body coupled to a previous rigid body. The method includes obtaining a gravitational acceleration vector and an angular velocity of the previous rigid body and a gravitational acceleration and an angular velocity of the rigid body. The relative angles and/or trigonometric functions of the relative angles are determined without using absolute angles of the rigid bodies.

Abstract: An exhaust component includes a housing defining an internal cavity, at least one exhaust aftertreatment component positioned within the internal cavity, and a heat exchanger. The housing has an inlet configured to receive engine exhaust gases and an outlet configured to direct the engine exhaust gasses into a tailpipe. A reductant source is associated with the housing and produces ammonia to mix with engine exhaust gases entering the exhaust aftertreatment component. The heat exchanger is positioned within the internal cavity to reduce a temperature of the engine exhaust gases exiting the outlet.

Abstract: A system for connecting a building device to a server includes a building network device including a processing circuit configured to receive one or more point identifier values from the building device via a building network. Each of the one or more point identifier values identifies a data point of the building device. The processing circuit is configured to receive one or more rules for generating a communication model for the building device from one or more memory devices. The processing circuit is configured to generate the communication model for the building device based on the received one or more point identifier values and the received one or more rules, receive, via the building network, data for the data points from the building device, and send, via the second network, the received data for the data points to corresponding data points on the server based on the communication model.

Abstract: A system for determining and presenting false alarm reduction includes a processing circuit configured to determine addressable false alarms by determining, based on events of building devices of a building and event sequences of one or more false alarm rules, whether the one or more false alarm rules are triggered, where the one or more false alarm rules each include one of the event sequences indicating relationships between the events that are indicative of a situation at the building that causes an addressable false alarm. The processing circuit is configured to generate a plurality of recommendations based the triggered false alarm rules, wherein the recommendations prompt the user to rectify situations at the building that cause the addressable false alarms, generate a user interface comprising an indication of the addressable false alarms and the plurality of recommendations, and cause a display of a user device to display the user interface.

Abstract: A method, including implementing a software agent to traverse a graph data structure to extract financial information associated with operation of a space, retrieving, by further traversing the graph data structure using the software agent, context information associated with the space, the context information including time spent by employees in the space, generating, using the software agent, a metric associated with the employees of the space, wherein the metric includes a representation of efficiency based on the financial information and the context information, comparing, by the software agent, the metric to historical information, and transmitting a report to a computing device, wherein the report is based on the comparison.

Abstract: A building management system includes a system manager and a cloud-based data platform. The system manager is configured to identify building equipment and generate a reported network tree listing the building equipment. The cloud-based data platform is configured to receive the reported network tree from the system manager, generate a list of bound properties of the building equipment based on the reported network tree, and create timeseries for the bound properties of the building equipment. The system manager is configured to detect a change of value (COV) of a bound property listed in the list of bound properties and post a sample of the bound property to the timeseries in response to detecting the COV of the bound property.

Abstract: One or more non-transitory computer-readable storage mediums having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to receive, from a sensor, identifying information associated with an individual, query a database to retrieve context information corresponding to the individual, the database comprising a number of entities corresponding to two or more of spaces, equipment, people, or events and a number of relationships between the entities, the context information determined based on the entities and relationships of the database, determine a purpose of the individual based on the context information, dynamically generate a user interface element for a display based on the purpose of the individual, and control the display to display the user interface element.

Abstract: A masterless building device system for controlling an environmental condition of a building, includes a first building device and a second building device. The first building device includes a first processing circuit configured to determine, via a first sensor of the first building device, a first environmental condition value of the environmental condition. The first processing circuit is configured to broadcast the first environmental condition value to a second building device via a network. The first processing circuit is configured to receive, via the network, a second environmental condition value broadcast by the second building device, generate a calculated environmental condition value based on the first environmental condition value and the second environmental condition value, and control the environmental condition based on the calculated environmental condition value.

Abstract: A building management system includes a controller configured to control building equipment by providing a control input to the building equipment for each of the plurality of time steps and generate a set of training data for a system model for the building. The training data includes input training data and output training data for each of the plurality of time steps. The controller is further configured to perform a system identification process to identify parameters of the system model. The system identification process includes predicting, for each time step, a predicted value for one or more of the output variables for each of a plurality of subsequent time steps, generating a prediction error function by comparing the output training data to the predicted values, and optimizing the prediction error function to determine values for the parameters of the system model that minimize the prediction error function.

Abstract: The present disclosure relates to a building network system for a building. The system includes network devices forming a network for the building. Each of the network devices include a communications processing circuit including an access point configured to communicate with any of the network devices to form the network, and a second processing circuit removably communicably connected to the communications processing circuit. The communications processing circuit and the second processing circuit are configured to operate independently of each other. The access point is a wireless radio configured to wirelessly communicate with the access points of any of the network devices.

Abstract: An eductor system for a chiller assembly is provided. The system includes a first and a second eductor. The first eductor includes a first suction inlet that receives a first oil and refrigerant mixture from a plenum of a compressor, a first motive inlet that receives a first motive fluid from an oil sump, and a first outlet that discharges a first outlet mixture to the oil sump. The first outlet mixture includes both the first oil and refrigerant mixture and the first motive fluid. The second eductor includes a second suction inlet that receives a second oil and refrigerant mixture from an evaporator, a second motive inlet that receives a second motive fluid from a condenser, and a second outlet that discharges a second outlet mixture to the plenum of the compressor. The second outlet mixture includes both the second oil and refrigerant mixture and the second motive fluid.

Abstract: The present disclosure is directed to a method for managing performance indicators of a number of buildings. The method includes providing a user interface to select at least a first physical premise and a second physical premise to be compared from a plurality of physical premises of an organization. The method includes identifying one or more performance indicators associated with an entity of the organization. The method includes collecting data that associates the first and second physical premises with the one or more performance indicators. The method includes displaying, through the user interface, one or more comparison results of the one or more performance indicators among the first and second physical premises.