Patents Assigned to Johnson Controls Technology
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Publication number: 20210025609Abstract: A building automation system (BAS) platform includes one or more processors configured to provide an operating environment for developing and executing a plurality of building automation and control microservices. At least one of the plurality of building automation and control microservices is configured to receive live data from remote building equipment and provide control signals to the remote building equipment. The BAS platform further includes one or more application programming interfaces configured to interact with third-party building automation and control applications that run within the operating environment.Type: ApplicationFiled: July 2, 2020Publication date: January 28, 2021Applicant: Johnson Controls Technology CompanyInventors: Youngchoon Park, Vaidhyanathan Venkiteswaran, Sudhi R. Sinha, Karl F. Reichenberger
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Publication number: 20210025612Abstract: A flow control device is configured to control fluid flow in an HVAC system. The flow control device includes a valve, an actuator configured to open and close the valve, and one or more sensors. The flow control device further includes a fault detection and correction agent configured to receive data from the one or more sensors, analyze the data according to a set of rules, and detect whether one or more faults have occurred. In response to detecting a fault, the fault detection and correction agent is configured to either operate the actuator to open or close the valve or initiate a corrective action to be taken by another device in the HVAC system.Type: ApplicationFiled: August 10, 2020Publication date: January 28, 2021Applicant: Johnson Controls Technology CompanyInventors: Sudhi R. Sinha, Donald R. Albinger, Youngchoon Park, Karl F. Reichenberger, John T. Pierson, Vineet Sinha
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Patent number: 10904030Abstract: A building automation system includes a plurality of subnets, an active broadcast management device configured on at least one of the subnets, a pool of virtual devices communicably connected to the active broadcast management device, each of the virtual devices in the pool of virtual devices configured to store a broadcast distribution table (BDT), one or more processors, and memory coupled to the one or more processors and storing instructions. When executed by the one or more processors, the instructions cause the one or more processors to transmit a health status message to each available virtual device in the pool of virtual devices, receive a health status response from each of the available virtual devices, and select, according to the health status responses, at least one of the virtual devices from among the available virtual devices as a backup virtual broadcast management device to the active broadcast management device.Type: GrantFiled: March 27, 2019Date of Patent: January 26, 2021Assignee: Johnson Controls Technology CompanyInventors: Japneet Singh, Ishmeet Bhatia, Manu Garg, Vikas Sharma
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Patent number: 10901446Abstract: A building manager includes a communications interface configured to receive information from a smart energy grid. The building manager further includes an integrated control layer configured to receive inputs from and to provide outputs to a plurality of building subsystems. The integrated control layer includes a plurality of control algorithm modules configured to process the inputs and to determine the outputs. The building manager further includes a fault detection and diagnostics layer configured to use statistical analysis on the inputs received from the integrated control layer to detect and diagnose faults. The building manager yet further includes a demand response layer configured to process the information received from the smart energy grid to determine adjustments to the plurality of control algorithms of the integrated control layer.Type: GrantFiled: July 29, 2016Date of Patent: January 26, 2021Assignee: Johnson Controls Technology CompanyInventors: Clay G. Nesler, Kirk H. Drees, James P. Kummer, Derek Supple, Marc D. Andraca, John I. Ruiz, Paul Harrison Rode
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Patent number: 10901373Abstract: 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: GrantFiled: June 14, 2018Date of Patent: January 26, 2021Assignee: Johnson Controls Technology CompanyInventors: Robert Locke, Sudhi R. Sinha
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Patent number: 10900684Abstract: A control system for a HVAC system includes a user interface configured to present information to a user and receive inputs from the user, a temperature sensor configured to measure an air temperature inside of the building space, and a processing circuit. The processing circuit is configured to receive a user-preferred temperature setpoint, compare the user-preferred temperature setpoint to the measured air temperature, project an energy usage amount for the user-preferred energy setpoint, generate a user comfort score for the user-preferred energy setpoint, generate an overall score for the user-preferred temperature setpoint, and present, by the user interface, the user with a setpoint scoring interface including the overall score.Type: GrantFiled: April 10, 2019Date of Patent: January 26, 2021Assignee: Johnson Controls Technology CompanyInventors: Jedidiah O. Bentz, Theresa N. Gillette, Shaun B. Atchison, John W. Uerkvitz
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Patent number: 10901376Abstract: A self-optimizing controller for equipment of a plant provides a manipulated variable as an input to the plant and receives an output variable as feedback. The controller generates a performance variable model defining the performance variable as a function of the manipulated variable and an output variable model defining the output variable as a function of the manipulated variable. The controller uses the performance variable model to determine a gradient of the performance variable, uses the output variable model to determine a gradient of the output variable, and generates a self-optimizing variable based on the gradient of the performance variable model and the gradient of the output variable model. The controller operates the equipment of the plant to affect a variable state or condition of the building based on the value of the self-optimizing variable from the self-optimizing variable model.Type: GrantFiled: April 11, 2019Date of Patent: January 26, 2021Assignee: Johnson Controls Technology CompanyInventors: Carlos Felipe Alcala Perez, Timothy I. Salsbury, John M. House
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Patent number: 10900686Abstract: In one aspect, a system for operations an energy plant obtains thermal energy load allocation data indicating time dependent thermal energy load of the energy plant. The system determines, for a time period, an operating state of the energy plant from a plurality of predefined operating states based on the thermal energy load allocation data. The system determines operating parameters of the energy plant according to the determined operating state. The system operates the energy plant according to the determined operating parameters.Type: GrantFiled: July 27, 2018Date of Patent: January 26, 2021Assignee: Johnson Controls Technology CompanyInventors: Graeme Willmott, John H. Burroughs, Mohammad N. ElBsat, Michael J. Wenzel, Matthew J. Asmus
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Publication number: 20210018205Abstract: A controller for performing automated system identification. The controller includes processors and non-transitory computer-readable media storing instructions that, when executed by the processors, cause the processors to perform operations including generating a predictive model to predict system dynamics of a space of a building based on environmental condition inputs and including performing an optimization of a cost function of operating building equipment over a time duration to determine a setpoint for the building equipment. The optimization is performed based on the predictive model. The operations include operating the building equipment based on the setpoint to affect a variable state or condition of the space and include monitoring prediction error metrics over time. The operations include, in response to detecting one of the prediction error metrics exceeds a threshold value, updating the predictive model.Type: ApplicationFiled: July 16, 2019Publication date: January 21, 2021Applicant: Johnson Controls Technology CompanyInventors: Matthew J. Ellis, Mohammad N. ELBSAT, Anas W. I. Alanqar, Michael J. Wenzel, John H. Burroughs
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Publication number: 20210018198Abstract: 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 generating a new predictive model using training data associated with one or more durations selected from a time period and selected to satisfy a set of criteria. The predictive model models system dynamics of the building during the time period. The operations include storing the new predictive model in a database including predictive models that model the system dynamics of the building and include comparing performance of the new predictive model and the predictive models stored by the database to select a particular predictive model for controlling the equipment. The operations include using the particular predictive model to generate and provide control signals to the equipment.Type: ApplicationFiled: January 9, 2020Publication date: January 21, 2021Applicant: Johnson Controls Technology CompanyInventors: ANAS W. I. ALANQAR, MICHAEL J. WENZEL, FANG DU, MOHAMMAD N. ELBSAT
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Publication number: 20210018214Abstract: A system for controlling a flow rate of a fluid through a valve is provided. The system includes a valve and an actuator. The actuator includes a motor and a drive device that is coupled to the valve for driving the valve between multiple positions. The system further includes a flow rate sensor and a controller that is communicably coupled with the flow rate sensor and the motor. The controller is configured to receive a first flow rate setpoint, determine a first actuator position setpoint using a proportional variable deadband control technique based on the first flow rate setpoint and a flow rate measurement, and receive a second flow rate setpoint. In response to a determination that certain low flow criteria are satisfied, the controller is configured to determine a second actuator position setpoint using the proportional variable deadband control technique based on a low flow compensation setpoint.Type: ApplicationFiled: July 18, 2019Publication date: January 21, 2021Applicant: Johnson Controls Technology CompanyInventors: Jack A. Peterson, Kirk H. Drees, Brennan H. Fentzlaff, Homero L. Noboa, Brett M. Lenhardt
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Publication number: 20210018209Abstract: An environmental control system for a building including heating, ventilation, or air conditioning (HVAC) equipment that operates to affect a temperature of a zone of the building. The system includes a temperature sensor to measure the temperature and a controller including a processing circuit. The processing circuit is configured to operate the HVAC equipment based on a temperature setpoint and gather training data indicating system dynamics. The processing circuit is configured to monitor a temperature tracking error of the zone and a heat transfer value of the HVAC equipment and determine if the HVAC equipment is in a saturation region based on the temperature tracking error and the heat transfer value. The processing circuit is configured to, in response to a determination that the HVAC equipment is in the saturation region, calculate an adjusted temperature setpoint and operate the HVAC equipment based on the adjusted temperature setpoint.Type: ApplicationFiled: July 19, 2019Publication date: January 21, 2021Applicant: Johnson Controls Technology CompanyInventors: Matthew J. Ellis, Anas W. I. Alanqar
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Patent number: 10896561Abstract: A method in an access control system includes maintaining a database of access control event data generated by a plurality of access control devices installed in a building and iterating through the access control event data in order to generate a connectivity model for the building. Generating the connectivity model includes, for each iteration, identifying a user interaction with a first door at a first time and a user interaction with a second door at a second time, determining if a difference between the first time and the second time is less than a threshold period of time, and either creating the connection between the first door and the second door or updating a weight associated with the connection. The connectivity model can be used in the access control system to correlate access control events across locations in a building or building campus.Type: GrantFiled: February 6, 2019Date of Patent: January 19, 2021Assignee: Johnson Controls Technology CompanyInventors: Donagh S. Horgan, Jan R. Holliday, Eamonn O'Toole
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Patent number: 10895393Abstract: A variable refrigerant flow (VRF) system for a building includes a plurality of outdoor VRF units configured to heat or cool a refrigerant for use in heating or cooling the building and an extremum-seeking controller. The extremum-seeking controller is configured to determine a total power consumption of the plurality of outdoor VRF units, generate a pressure setpoint for the plurality of outdoor VRF units using an extremum-seeking control technique that drives the total power consumption toward an extremum, and use the pressure setpoint to operate the plurality of outdoor VRF units.Type: GrantFiled: July 6, 2018Date of Patent: January 19, 2021Assignee: Johnson Controls Technology CompanyInventors: Robert D. Turney, Liming Yang, Yunrui Wang, Yasutaka Yoshida, Kazumoto Urata, Timothy I. Salsbury, John M. House
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Publication number: 20210010701Abstract: 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.Type: ApplicationFiled: July 13, 2020Publication date: January 14, 2021Applicant: Johnson Controls Technology CompanyInventors: Clay G. Nesler, Kirk H. Drees, Matthew J. Deloge, Jonathan D. Douglas, Timothy C. Gamroth, Michael J. Wenzel, Robert D. Turney, Mohammad N. ElBsat, Joseph F. Mann, Matthew J. Ellis, Serdar Suindykov, James Burke, Thomas M. Seneczko, David S. Eidson, Ganesh Kalpundi, Renee Clair, Anza D'Antonio, Mark L. Ziolkowski
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Publication number: 20210011444Abstract: A heating, ventilation, or air conditioning (HVAC) system for one or more building zones includes airside HVAC equipment operable to provide clean air to the one or more building zones and a controller. The controller is configured to obtain a dynamic temperature model and a dynamic infectious quanta model for the one or more building zones, determine an infection probability, and generate control decisions for the airside HVAC equipment using the dynamic temperature model, the dynamic infectious quanta model, and the infection probability.Type: ApplicationFiled: July 13, 2020Publication date: January 14, 2021Applicant: Johnson Controls Technology CompanyInventors: Michael J. RISBECK, Kirk H. Drees, Jonathan D. Douglas
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Publication number: 20210010702Abstract: An environmental building sensor, the environmental building sensor including a sensing device configured to measure an environmental condition of a building, an output connection between one or more circuits of the environmental building sensor and an external device, the output connection connected to an input impedance of the external device, and one or more circuits. The one or more circuits are configured to detect a feedback voltage, the feedback voltage based on the input impedance, determine, based on the feedback voltage, whether the external device is configured to receive an analog current input or an analog voltage input from the environmental building sensor, and generate the analog current input or the analog voltage input based on the environmental condition measured by the sensing device and provide the analog current input or the analog voltage input to the external device via the output connection.Type: ApplicationFiled: July 11, 2019Publication date: January 14, 2021Applicant: Johnson Controls Technology CompanyInventor: Daniel R. Hjortland
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Publication number: 20210014122Abstract: The present disclosure is directed to a method for managing building networks. The method includes communicating with a number of building automation and control network (BACnet) nodes and non-BACnet nodes coupled to one another over a network. The method includes obtaining data regarding a respective status of each of the number of BACnet nodes and non-BACnet nodes over the network. The method includes aggregating the data to generate one or more communication statuses of the network. The method includes displaying a first graphical user interface comprising a number of interactive sections. Each of the number of interactive sections is configured to display at least one of the one or more communication status of the network. The method includes in response to a user selection of a particular communication status, launching a second graphical user interface to display information associated with the selected communication status.Type: ApplicationFiled: July 12, 2019Publication date: January 14, 2021Applicant: Johnson Controls Technology CompanyInventors: Shweta S. Patil, Mahesh K. Upadhyay, Ankur Thareja
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Publication number: 20210011497Abstract: A system for controlling a flow rate of a fluid through a valve is provided. The system includes a valve and an actuator. An actuator drive device is driven by an actuator motor and is coupled to the valve for driving the valve between multiple positions. The system further includes a flow rate sensor configured to measure the flow rate of the fluid through the valve and a controller that is communicably coupled with the flow rate sensor. The controller is configured to receive a flow rate measurement from the flow rate sensor, adjust a control deadband based on an actuator command history, and determine a compensated position setpoint using the flow rate measurement, the adjusted control deadband, and a proportional variable deadband control technique. The controller is further configured to operate the motor to drive the drive device to the compensated actuator position setpoint.Type: ApplicationFiled: July 11, 2019Publication date: January 14, 2021Applicant: Johnson Controls Technology CompanyInventors: Jack A. Peterson, Brett M. Lenhardt, Homero L. Noboa, Brennan H. Fentzlaff
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Patent number: D908099Type: GrantFiled: February 12, 2019Date of Patent: January 19, 2021Assignee: Johnson Controls Technology CompanyInventors: Michael F. Kornacki, Steven J. Grobschmidt, Vineet Sinha, Mark Thoni, Scott Holland, Hyunchul Kim, Michael Lemon, Nikhil Mathew, Holly Prouty