Patents Assigned to Control Technology
  • Patent number: 11070390
    Abstract: A building system including one or more memory devices configured to store instructions thereon, the instructions causing one or more processors to generate a space graph based on building data, wherein the space graph is a graph data structure comprising nodes representing entities, edges between the nodes representing relationships between the entities, receive new building data from one or more building data sources, generate, based on the new building data, a new relationship between a first entity of the entities and a second entity of the entities, and update the space graph with the new relationship by causing the space graph to store a new edge between a first node of the nodes representing the first entity and a second node of the nodes representing the second entity.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 20, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Youngchoon Park, Sudhi Sinha
  • Patent number: 11068821
    Abstract: An energy optimization system for participating in a capacity market program (CMP) includes one or more memory devices storing instructions, that, when executed on one or more processors, cause the one or more processors to receive a nominated capacity value, generate an objective function and one or more CMP constraints, wherein the one or more CMP constraints cause an optimization of the objective function with the CMP constraints to generate a resource allocation that reduces the load of the facility by the nominated capacity value in response to receiving the dispatch from the utility, receive the dispatch from the utility, optimize the objective function based on the nominated capacity value, the dispatch, and the one or more CMP constraints to determine the resource allocation, and control one or more pieces of building equipment based on the determined resource allocation.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: July 20, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Michael J. Wenzel, Mohammad N. Elbsat
  • Patent number: 11067955
    Abstract: A building HVAC system includes an airside system having a plurality of airside subsystems, a high-level model predictive controller (MPC), and a plurality of low-level airside MPCs. Each airside subsystem includes airside HVAC equipment configured to provide heating or cooling to the airside subsystem. The high-level MPC is configured to perform a high-level optimization to generate an optimal airside subsystem load profile for each airside subsystem. The optimal airside subsystem load profiles optimize energy cost. Each of the low-level airside MPCs corresponds to one of the airside subsystems and is configured to perform a low-level optimization to generate optimal airside temperature setpoints for the corresponding airside subsystem using the optimal airside subsystem load profile for the corresponding airside subsystem.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: July 20, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Nishith R. Patel, Robert D. Turney, Matthew J. Ellis
  • Publication number: 20210216928
    Abstract: A risk management system includes one or more computer-readable storage media having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform natural language processing to categorize threats to assets and perform correlated risk analyses for threats. The instructions cause the one or more processors generate risk scores for assets using threat data and one or more asset risk profiles reflecting characteristics of the assets, the risk scores weighted based on impact weights of threats. Furthermore, the instructions cause one or more processors to generate a plurality of graphic user interfaces including one or more of a map providing visual representations of the assets, locations of the assets, asset risk scores, and threats to assets, a forecast of asset risk scores, an asset summary, an asset risk profile editor, and a consolidated view of rank ordered assets and threats.
    Type: Application
    Filed: January 12, 2021
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Eamonn O'Toole, Leon Frans Van Gendt, Jane Delaney, Andrew Keane, Geentanjali Singh, Timothy Flood, Aidan Casey
  • Publication number: 20210216053
    Abstract: A building automation system (BAS) with automatic metadata tagging management. The BAS comprises a system library and a computing system. The system library comprising a plurality of relationships between a plurality of tags and a plurality of entities. The computing system is communicatively coupled to the system library. The computing system is configured to manage entities within a station. The managing entities either corresponds to selective de-linking of one or more tags corresponding to one or more tagged entities, or tagging one or more entities by determining a tagging mechanism for adding one or more tags to one or more entities, or both. Further, the present disclosure envisaged a method for managing de-linking of one or more tags of tagged entities in the building automation system (BAS) and a method for managing tagging of entities in the building automation system (BAS).
    Type: Application
    Filed: January 8, 2021
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventor: Mary Philomena Boelk
  • Publication number: 20210215374
    Abstract: A controller for an economizer that provides outdoor air to a conditioned space. The controller includes an error calculator configured determine an indoor air quality (IAQ) setpoint error based on an actual IAQ and an IAQ setpoint, an outdoor air flow (OAF) setpoint adjuster configured to determine an adjusted OAF setpoint based on at least one of the IAQ setpoint error, an initial OAF setpoint, and an OAF setpoint upper limit, and a proportional variable deadband controller (PVDC) configured to adjust an operational deadband of the economizer and adjust an operation of at least one of an actuator and a damper of the economizer to achieve the adjusted OAF based on at least one of an actual OAF and the adjusted OAF setpoint. Achieving the adjusted OAF drives the actual IAQ to the IAQ setpoint.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Tyler K. Paddock, Christopher R. Amundson, Nathan T. Ostrye
  • Publication number: 20210215376
    Abstract: Disclosed herein are related to a system, a method, and a non-transitory computer readable storing instructions for operating an energy plant comprised of heating, ventilation and air conditioning (HVAC) devices. In one aspect, the system generates gradient data indicating a gradient of operating performance of the energy plant with respect to values of a plurality of control variables of HVAC devices. The system determines, from the plurality of control variables, a reduced group of control variables of the HVAC devices based on the gradient data. The system determines a set of values of the reduced group of control variables. The system operates the energy plant according to the determined set of values of the reduced group of control variables.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Graeme Willmott, Matthew J. Asmus
  • Publication number: 20210216052
    Abstract: A building system of a building including one or more memory devices having instructions thereon, that, when executed by one or more processors, cause the one or more processors to manage a plurality of entitlements for a plurality of subscriptions of one or more buildings with a building entitlement model, receive a first request to perform a first operation for a first subscription and a second request to perform a second operation for a second subscription, and implement the first operation on first computing resources of a first zone based on the building entitlement model in response to a first determination that the first subscription has the first entitlement and implement the second operation on second computing resources of the second zone based on the building entitlement model in response to a second determination that the second subscription has the second entitlement.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Justin J. Ploegert, Dominick James O'Dierno, Brian Scott Otto
  • Publication number: 20210215384
    Abstract: An adaptive flow limit controller for controlling a flow rate of a fluid through a heat exchanger includes a processing circuit. The processing circuit is configured to use an adaptive model to determine a threshold flow rate of the fluid through the heat exchanger at which a gradient of a temperature difference of the fluid across the heat exchanger with respect to the flow rate of the fluid through the heat exchanger has a threshold gradient value. The processing circuit is configured to operate a flow control device to maintain the flow rate of the fluid of through the heat exchanger at less than or equal to the threshold flow rate.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Brennan H. Fentzlaff, Kirk H. Drees, Timothy I. Salsbury, John M. House
  • Publication number: 20210215378
    Abstract: An extremum seeking controller includes a processing circuit configured to modulate a manipulated variable provided as an input to a plant using an extremum-seeking control technique to drive a gradient of an objective function with respect to the manipulated variable toward an extremum. The objective function includes a performance variable characterizing a performance of the plant responsive to the manipulated variable. The objective function also includes a saturation adjustment term that becomes active as the plant approaches a saturation point and remains active as the plant operates within a saturated region past the saturation point. The saturation adjustment term causes the processing circuit to adjust the manipulated variable toward a value of the manipulated variable that returns the plant from the saturated region to a non-saturated region.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Timothy I. Salsbury, Carlos Felipe Alcala Perez, John M. House
  • Publication number: 20210216938
    Abstract: A building management enterprise system includes a display device, one or more processors, and one or more computer-readable storage media communicably coupled to the one or more processors and having instructions stored thereon that cause the one or more processors to: identify one or more factors for evaluating economic effectiveness of an enterprise having a plurality of physical nodes; receive data associated with each of the factors from a plurality of data sources for each of the nodes, the plurality of data sources including at least one sensor located in each of the nodes; determine a benchmark value for each of the factors; compare the data received from the plurality of data sources with the benchmark value for each of the factors; calculate an effectiveness score for each of the factors based on the compare; and control the display device to display performance indicators associated with the effectiveness scores.
    Type: Application
    Filed: June 1, 2018
    Publication date: July 15, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Sikim Chakraborty, Ovijeet Sircar, Ankur Thareja, Sudhi R. Sinha, Subrata Bhattacharya, Shyam Sunder, Nilankur Mazumdar
  • Patent number: 11061132
    Abstract: A building radar-camera system includes a camera configured to capture one or images, the one or more images including first locations within the one or more images of one or more points on a world-plane and a radar system configured to capture radar data indicating second locations on the world-plane of the one or more points. The system includes one or more processing circuits configured to receive a correspondence between the first locations and the second locations of the one or more points, generate a sphere-to-plane homography, the sphere-to-plane homography translating between points captured by the camera modeled on a unit-sphere and the world-plane based on the correspondence between the first locations and the second locations, and translate one or more additional points captured by the camera or captured by the radar system between the unit-sphere and the world-plane based on the sphere-to-plane homography.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: July 13, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Lior Kirsch, Yohai Falik, Igal Dvir
  • Patent number: 11061424
    Abstract: A central plant includes storage devices configured to store resources purchased from a utility or generated by the central plant and to discharge the one or more resources. The central plant includes a controller configured to obtain a cost function comprising a peak load contribution (PLC) term representing a cost based on an amount of the one or more resources purchased during coincidental peak (CP) subperiods. The controller is configured to modify the cost function by applying a peak subperiods mask to the PLC term, wherein, for each subperiod, the peak subperiods mask modifies a portion of the PLC term corresponding to the subperiod based on a probability that the subperiod will be one of the CP subperiods. The controller is also configured to perform an optimization of the modified cost function.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 13, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Mohammad N. Elbsat, Michael J. Wenzel
  • Patent number: 11060746
    Abstract: The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) system that includes a refrigerant circuit and a sensor configured to measure a refrigerant concentration external to the refrigeration circuit. The HVAC system also includes a controller that is communicatively coupled to the sensor and to an economizer. The controller is configured to control a flow of environmental air into the HVAC system. The controller is further configured to increase a ratio of the flow of environmental air relative to a flow of return air from a conditioned interior space of a building when the sensor measures the refrigerant concentration above a predetermined threshold concentration.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: July 13, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Steven M. Maddox, William F. McQuade
  • Publication number: 20210209532
    Abstract: A controller for a system of equipment that operate to produce or consume one or more resources includes one or more processing circuits configured to generate a resource balance constraint using a balance between a first amount of each resource and a second amount of each resource. The first amount of each resource includes at least an amount of the resource produced by the equipment. The second amount of each resource includes at least an amount of the resource consumed by the equipment. The one or more processing circuits are configured to perform a control process using the resource balance constraint to determine amounts of each resource to be produced or consumed by the equipment and operate the equipment to produce or consume the amounts of each resource determined by the control process.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Michael J. Wenzel, Matthew J. Ellis
  • Publication number: 20210208546
    Abstract: A building management system with artificial intelligence based control of a building includes data collectors are configured to receive data and generate data streams for subsystems of the building. The system includes a learning engine configured to identify a building state of the building by correlating data of the data streams for the subsystems and provide the identified building state to cognitive agents. The system includes the cognitive agents, each of the cognitive agents configured to receive the identified building state from the learning engine, generate a control decision based on the received building state, and operate at least one of the plurality of subsystems of the building to control a physical condition of the building based on the control decision.
    Type: Application
    Filed: January 14, 2021
    Publication date: July 8, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Robert Locke, Sudhi R. Sinha
  • Publication number: 20210207841
    Abstract: A trim plate for a wall mounting assembly is shown. The trim plate includes a body defined by a first end and a second end opposite the first end, the first end defining a front section and the second end defining a rear section, the body defining a passageway extending from the rear section, through the body, to the front section. The body includes a plurality of mounting holes formed through the body and spaced apart from one another around the passageway. The body further includes a positioning feature formed outward from the passageway and spaced apart from the mounting holes. The positioning feature is defined by rearwardly extending walls partially surrounding an aperture formed through the front section of the body, the rearwardly extending walls defining a pocket formed therebetween, the pocket extending along the rear section beyond the aperture.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 8, 2021
    Applicant: Johnson Controls Technology Company
    Inventors: Richard David Friend, Justin C. Pasquale
  • Patent number: D924888
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: July 13, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Dennis J. Flood, Alan S. Schwegler, Steve M. Schmidt, Nicole A. Madison, Pat Harder
  • Patent number: D924890
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: July 13, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Dennis J. Flood, Alan S. Schwegler, Steve M. Schmidt, Nicole A. Madison, Pat Harder
  • Patent number: D924891
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: July 13, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Benjamin W. Hapka, Patrick E. Harder, William Schroeder