Patents Assigned to Control Technology
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Publication number: 20210200171Abstract: A system includes one or more memory devices having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform operations including obtaining a first building information model (BIM) file associated with a building, the building comprising one or more building assets, obtaining a second BIM file associated with the building, linking data from the first BIM file to data from the second BIM file, and concurrently presenting, via a single user interface, a representation of at least a portion of the first BIM file and the second BIM file based on the linked data.Type: ApplicationFiled: December 29, 2020Publication date: July 1, 2021Applicant: Johnson Controls Technology CompanyInventors: Ashok Sridharan, Ankur Thareja, Subrata Bhattacharya, Barnini Chatterjee, Shailesh Mahadeo Tavate, Shyam Sunder, Sachin Ghorpade, Piyush Mahajan, Akash Kumar
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Patent number: 11047491Abstract: An actuator controls the operation of a valve member to achieve desired flow or no-flow states through different inlet ports of the valve in response to different types of input signals from one or more input sources. In some embodiments, the actuator drives the valve member along a first portion of a travel path to regulate flow through a first inlet port using analog or binary input signal(s) from a first input source, and drives the valve member along a second portion of the travel path to regulate flow through a second inlet port using analog or binary input signal(s) from a second input source. In some embodiments the actuator drives the valve member along the entire travel path to regulate flow through each of the first inlet port and the second inlet port responsive to an analog input signal from a single input source.Type: GrantFiled: May 20, 2019Date of Patent: June 29, 2021Assignee: Johnson Controls Technology CompanyInventors: Russell T. Jenks, Gary A. Romanowich, Stephanie P. Lynn, Ralph L. Arndt, Jr., Matthew A. Ward
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Patent number: 11047387Abstract: A system includes a compressor configured to compress a vapor, or a vapor and liquid mixture, and a first rotor of the compressor disposed on a first shaft, where the first rotor includes a first plurality of pockets in a first body portion to form a first semi-hollow internal volume or a plurality of flanks and/or a first plurality of flutes on a first external surface of the first rotor, where the plurality of flanks or the first plurality of flutes comprises a first pitch to form first variable leads.Type: GrantFiled: September 26, 2018Date of Patent: June 29, 2021Assignee: Johnson Controls Technology CompanyInventors: Tianshi Wu, Jian Xu, John Lloyd Neel
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Patent number: 11047739Abstract: measurement device and a measurement method for measuring a temperature and an emissivity of a measured surface are provided. The measurement device includes a reflection converter, an optical receiver and a data processor. The reflection converter includes a reflector having a through hole and an absorber tube shifted between a first measurement position and a second measurement position relative to the reflector. In the first measurement position, the light incident end of the absorber tube approaches or contacts the measured surface, such that the optical receiver forms a first electrical signal. In the second measurement position, the light incident end of the absorber tube is located at or outside the through hole, such that the optical receiver forms a second electrical signal. The data processor is configured to determine a temperature and an emissivity of the measured surface according to the first electrical signal and the second electrical signal.Type: GrantFiled: December 26, 2016Date of Patent: June 29, 2021Assignee: Shenyang Taihe Metallurgical Measurement and Control Technologies Co., Ltd.Inventors: Zhi Xie, Xunjian Che, Qixian Xie, Lizhong Wang
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Patent number: 11048247Abstract: A method for detecting anomalous behavior includes receiving a plurality of historical events that occurred over a time period, identifying respective timestamps of the plurality of events, and grouping the plurality of events into respective time buckets that extend over a predetermined time interval based on the respective timestamps. The method includes identifying a subset of the time buckets that are each associated with a particular first time unit of the plurality of first time units and a particular second time unit of the second plurality of time units, counting a number of the events in each of the subset, and generating a temporal profile including an occurrence rate calculated based on the counted number of events.Type: GrantFiled: February 6, 2019Date of Patent: June 29, 2021Assignee: Johnson Controls Technology CompanyInventors: Donagh S. Horgan, Jan R. Holliday
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Patent number: 11047593Abstract: In one embodiment, a housing system for a heating, ventilating, and air conditioning (HVAC) unit includes a rigid shell. The rigid shell includes a top panel, a front panel, and a rear panel. The HVAC unit also includes a bottom panel configured to be disposed within a first portion of a bottom plane of the HVAC unit, a first side panel, and a second side panel. The first side panel and the second side panel are each configured to be disposed within respective side planes of the HVAC unit and are each configured to be disposed within respective second portions of the bottom plane. The housing system is configured to be internally accessed through the respective side planes. Internal access of the housing system through either of the respective side planes is provided at least partially by rotation of the first side panel and/or the second side panel.Type: GrantFiled: January 25, 2018Date of Patent: June 29, 2021Assignee: Johnson Controls Technology CompanyInventor: Angus B. Latham
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Patent number: 11046413Abstract: A system and a method for reducing drag on the aft-fuselage of an aircraft are provided, which system and method utilize at least one finlet provided on each side of the aft-fuselage of an aircraft for reducing drag—on the aft-fuselage, which finlets are (i) positioned at the rear half of an upswept portion of the aft-fuselage starting at a breakline, (ii) positioned in the path of the vortices generated by the aft-fuselage, and (iii) oriented at 1 to 9 degrees angle relative to the local airflow about the aft-fuselage of the aircraft to straighten the airflow about the aft-fuselage. In addition, the finlets generate an induced secondary vortex having an opposite rotation direction relative to the rotation direction of the vortices generated by the aft-fuselage, thereby counteracting the vortices generated by the aft-fuselage.Type: GrantFiled: August 1, 2018Date of Patent: June 29, 2021Assignee: Vortex Control Technologies, LLCInventor: John Rick Hooker
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Patent number: 11047625Abstract: Embodiments of the present disclosure are directed to a climate management system that includes a heat exchanger having a first set of microchannel coils fluidly coupled to a first circuit of the climate management system and a second set of microchannel coils fluidly coupled to a second circuit of the climate management system, where the first circuit and the second circuit are fluidly separate from one another, and where the first set of microchannel coils and the second set of microchannel coils are disposed in an alternating arrangement along a length of the heat exchanger such that the first set of microchannel coils and the second set of microchannel coils are interlaced in the heat exchanger.Type: GrantFiled: July 19, 2018Date of Patent: June 29, 2021Assignee: Johnson Controls Technology CompanyInventors: Zhiwei Huang, Neelkanth S. Gupte
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Publication number: 20210190354Abstract: A building system for detecting faults in an operation of building equipment. The building system comprising one or more memory devices configured to store instructions thereon that cause the one or more processors to perform a cumulative sum (CUSUM) analysis on actual building data and corresponding predicted building data to obtain cumulative sum values for a first plurality of times within a first time period; analyze cumulative sum values associated with a second plurality of times occurring before the first time to identify a second time of the second plurality of times at which a second cumulative sum value is at a local minimum; and determine that a first fault began at the second time.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Jaume Amores Llopis, Young M. Lee, Sugumar Murugesan, Steven R. Vitullo
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Publication number: 20210192469Abstract: A controller for performing a peer analysis of a predictive model for a building including processors and non-transitory computer-readable media storing instructions that, when executed by the processors, cause the processors to perform operations. The operations include comparing model parameters of a set of predictive models corresponding to a set of building zones, the model parameters indicating system dynamics of the building zones, to determine whether any of the building zones are exhibiting abnormal system dynamics. The operations include initiating a corrective action in response to determining that at least one of the building zones is exhibiting abnormal system dynamics.Type: ApplicationFiled: December 18, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: ROBERT D. TURNEY, MICHAEL J. WENZEL, MOHAMMAD N. ELBSAT, ANAS W. I. ALANQAR
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Publication number: 20210191378Abstract: A method of generating a fault determination in a building management system (BMS), the method including receiving signal data, generating, using a number of fault detection models, a number of fault indications based on the signal data, generating, using a weighting function, based on the number of fault indications, a fault score, comparing the fault score to a fault value, and determining, based on the comparison, an existence of a fault.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Jaume Amores, Young M. Lee, Sugumar Murugesan, Steven R. Vitullo
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Publication number: 20210191348Abstract: Systems and methods for training a surrogate model for predicting system states for a building management system based on generated data from a system identification model are disclosed herein. The system identification model is used to generate predicted system parameters of a zone of the building based on historic data from operation of the building equipment. The surrogate model is trained based on the predicted system parameters from the system identification model. Predicted future parameters of the variable state of the building are generated using the surrogate model. The surrogate model is re-trained based on new operational data from the building equipment. An updated series of predicted future parameters is generated using the re-trained surrogate model.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Young M. Lee, Zhanhong Jiang, Kirk Drees, Michael Risbeck
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Publication number: 20210190355Abstract: An environmental control system for a building space including heating, ventilation, or air conditioning (HVAC) equipment that operates to control a temperature of the building space. The system includes lighting equipment that operates to control a luminosity and affect a heat load disturbance for the building space. The system includes an environmental controller including a processing circuit configured to predict the heat load disturbance based on potential operating states of the lighting equipment over a time period. The heat load disturbance affects the temperature of the building space. The processing circuit is configured to generate control decisions for the HVAC and lighting equipment based on the predicted heat load disturbance and subject to constraints on the temperature and luminosity of the building space. The processing circuit is configured to operate the HVAC and lighting equipment based on the control decisions.Type: ApplicationFiled: December 18, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: MIKIHITO TOKUDI, SERDAR SUINDYKOV, MOHAMMAD N. ELBSAT
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Publication number: 20210190349Abstract: A controller for operating building equipment of a building. The controller includes one or more processors. The controller includes one or more non-transitory computer-readable media storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations. The operations include comparing one or more model parameters of predictive models describing zones of the building to determine one or more zone groups for the building. The operations include generating one or more zone group models corresponding to the one or more zone groups. The operations include operating the building equipment using the one or more zone group models to affect a variable state or condition of the building.Type: ApplicationFiled: December 18, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: ROBERT D. TURNEY, MICHAEL J. WENZEL, MOHAMMAD N. ELBSAT, ANAS W. I. ALANQAR, JOHN H. BURROUGHS, ANDREW J. PRZYBYLSKI
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Publication number: 20210191343Abstract: Systems and methods for training a surrogate model for predicting system states for a building management system based on generated data from a simulation model are disclosed herein. The simulation model is calibrated for a building of interest. The building of interest includes building equipment operable to control a variable state of the building. The simulated data of system states are generated using the calibrated simulation model. A surrogate model is trained based on the simulated data of system states from the calibrated simulation model. System state predictions are generated using the surrogate model. The surrogate model is re-trained based on updated operational data. An updated series of system state predictions is generated using the re-trained surrogate model.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Young M. Lee, Zhanhong Jiang, Kirk Drees, Michael Risbeck
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Publication number: 20210191826Abstract: A method of software gateways of a building, the method including generating a ledger file including a description of a first software gateway, wherein the ledger file further includes first point assignments for the first software gateway and second point assignments for a second software gateway, wherein a first computing system implements the first software gateway and a second computing system implements the second software gateway and communicating the ledger file to the first software gateway and the second software gateway. The method further including managing, by the first software gateway, first points of the first point assignments based on the ledger file and managing, by the second software gateway, second points of the second point assignments based on the ledger file and determining, by the second software gateway, a status of the first software gateway based on the description of the first software gateway of the ledger file.Type: ApplicationFiled: December 18, 2020Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Pravin J. Duraisingh, Sujith J. Ebenezer, Sankeeth K. Chinta, Sudhi R. Sinha
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Publication number: 20210191379Abstract: A building system for detecting faults in an operation of building equipment. The building system comprising one or more memory devices configured to store instructions thereon that cause one or more processors to perform a cumulative sum (CUSUM) analysis on actual building data and corresponding predicted building data to obtain cumulative sum values for a plurality of times within a first time period; determine a first time at which a first cumulative sum value is at a first maximum; identify a second cumulative sum value at a second maximum at a second time occurring after the first time; compare the identified second cumulative sum value to a threshold; and based on determining that the identified second cumulative sum value does not exceed the threshold, determine that a first fault ended at the first time.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Jaume Amores Llopis, Young M. Lee, Sugumar Murugesan, Steven R. Vitullo
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Publication number: 20210191353Abstract: A building automation system (BAS) with microservice architecture. The system includes a server platform configured to perform various operations within the building automation system. The server platform includes a microservices platform configured to execute various processes within the BAS. The microservices platform includes a plurality of nodes where each node is configured to run one or more services as separate processes. The microservices platform further includes a message bus configured to control communication between processes and an orchestration network configured to control communication between the plurality of nodes. The server platform further includes a common data model (CDM) shared between the plurality of nodes where the CDM consists of metadata of the BAS. The server platform further includes a container orchestration platform configured to manage and control the plurality of nodes.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Gregory B. Cebasek, Joshua A. Edler, Peter J. Hazelberg, Kunal Saini, Jonathan M. Schwabe, Matthew T. Trawicki, Michael G. Welch
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Publication number: 20210190364Abstract: Systems and methods for training a reinforcement learning (RL) model for HVAC control are disclosed herein. Simulated experience data for the HVAC system is generated or received. The simulated experience data is used to initially train the RL model for HVAC control. The HVAC system operates within a building using the RL model and generates real experience data. A determination may be made to retrain the RL model. The real experience data is used to retrain the RL model. In some embodiments, both the simulated and real experience data are used to retrain the RL model. Experience data may be sampled according to various sampling functions. The RL model may be retrained multiple times over time. The RL model may be retrained less frequently over time as more real experience data is used to train the RL model.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Young M. Lee, Zhanhong Jiang, Viswanath Ramamurti, Sugumar Murugesan, Kirk H. Drees, Michael James Risbeck
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Publication number: 20210191342Abstract: Systems and methods for training a reinforcement learning (RL) model for HVAC control are disclosed herein. A calibrated simulation model is used to train a surrogate model of the HVAC system operating within a building. The surrogate model is used to generate simulated experience data for the HVAC system. The simulated experience data can be used to train a reinforcement learning (RL) model of the HVAC system. The RL model is used to control the HVAC system based on the current state of the system and the best predicted action to perform in the current state. The HVAC system generates real experience data based on the actual operation of the HVAC system within the building. The real experience data is used to retrain the surrogate model, and additional simulated experience data is generated using the surrogate model. The RL model can be retrained using the additional simulated experience data.Type: ApplicationFiled: December 23, 2019Publication date: June 24, 2021Applicant: Johnson Controls Technology CompanyInventors: Young M. Lee, Zhanhong Jiang, Viswanath Ramamurti, Sugumar Murugesan, Kirk H. Drees, Michael James Risbeck