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 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 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 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.

Abstract: Systems and methods of generating performance index for connected equipment in a building management system are provided. The connected equipment measures monitored variables and generates status codes. The system obtains data points of the monitored variables and the status codes from past N time units, and connected equipment specific parameters. The system performs first performance checks for the connected equipment using the status codes from the past N time units. The system performs second performance checks using the data points of the monitored variables from the past N time units, the connected equipment specific parameters, and a set of predetermined rules. The system determines individual performance check indicators based on the first performance checks and the second performance checks using first weights each determined based on a different timing. The system generates an overall performance index for the connected equipment using the individual performance check indicators and second weights.

Abstract: A sensor device including a housing and a number of sensors. The housing includes a back plate including a mounting surface, a middle plate attached to the back plate, and a face plate attached to the middle plate, wherein the face plate is formed from a clear material and has a back surface and a front surface with the back surface positioned toward the middle plate and wherein a design is applied to the back surface of the face plate and is visible through the front surface of the face plate. The housing defines an interior housing volume and the number of sensors is positioned within the interior housing volume.

Abstract: A method for a processing circuit to display a graphical user interface (GUI) for a building management system (BMS). The method includes retrieving structured data from a display service executed by the processing circuit, wherein the structured data is a library. The method further includes generating a tag based on the structured data, wherein the tag associates interface data and bound data from a number of different data sources. The interface data describing an arrangement of an element of the GUI, and the bound data describing content of the element. The bound data is associated with the element according to the arrangement. The interface data and bound data are selected by a user. The method further includes displaying, on a display of a client device, the GUI based on the tag. The GUI may be used in different formats by associating the interface data with a different one of bound data, or the bound data with a different one of the interface data.

Abstract: Systems and methods for guided installation of building equipment are provided. A request for a wiring diagram for wiring a first piece of building equipment to a second piece of building equipment is received from a user device. One or more first wiring configurations associated with the first piece of building equipment and one or more second wiring configurations associated with the second piece of building equipment are identified. Based on the one or more first wiring configurations and the one or more second wiring configurations, an equipment-specific wiring configuration for wiring the first piece of building equipment to the second piece of building equipment is automatically selected. A graphical user interface including a wiring diagram illustrating the equipment-specific wiring configuration is provided to the user device.

Abstract: A building system of a building includes one or more memory devices configured to store instructions that, when executed by one or more processors, cause the one or more processors to receive meter data from a meter of the building, the meter data indicating energy usage of a plurality of tenants of the building collectively. The instructions cause the one or more processors to receive variable air volume (VAV) airflow data of a plurality of VAV units indicating environmental conditioning of a plurality of tenant areas associated with the plurality of tenants and determine the energy usage of each of the plurality of tenants individually based on the meter data and the VAV airflow data.

Abstract: A method for classifying an occluded object includes receiving, by one or more processing circuits, an image of the object that is partially occluded by a foreign object and classifying, by the one or more processing circuits, the object of the image into one of one or more classes of interest via an artificial neural network (ANN) by determining a plurality of neuron activations of neurons of the ANN for one or more foreign classes and the one or more classes of interest, subtracting one or more of the neuron activations of the one or more foreign classes from the neuron activations of the one or more classes of interest, wherein the foreign object belongs to one of the one or more foreign classes, and classifying the object of the image into the one of the one or more classes of interest based on the subtracting.