公开(公告)号：US20210064759A1

公开(公告)日：2021-03-04

申请号：US16554352

申请日：2019-08-28

Applicant: Johnson Controls Technology Company

Inventor： Carol Lomonaco ,  John S. Jilek ,  Alan J. Bronikowski ,  Joshua A. Edler ,  Suvidha Raina ,  Dana A. Guthrie ,  Benjamin W. Hapka ,  Steven A. Brukbacher ,  Christopher R. Gozdziewski

IPC: G06F21/57 ,  G05B13/02 ,  G06F21/46 ,  G06F9/451 ,  G06F8/65

Abstract: A method for automatically detecting and mitigating risks related to cybersecurity in a Building Management System (BMS) includes evaluating settings of a user account of the BMS; identifying a security risk associated with the settings of the user account; evaluating settings of a network device of the BMS; identifying another security risk associated with the settings of the network device, presenting a user interface, wherein the user interface allows a user to view a policy recommendation associated with either security risk; and implementing the change in the settings of the user account or a change in the settings of the network device based at least in part on an input from the user via the user interface or an automated response to the policy recommendation. The method allows for administrators to easily view and change settings of user accounts and network devices to improve the cybersecurity of the BMS.

公开(公告)号：US10935998B2

公开(公告)日：2021-03-02

申请号：US15971725

申请日：2018-05-04

Applicant: Johnson Controls Technology Company

Inventor： Aron M. Seiler ,  Chandra S. Yelamanchili ,  Nathan T. Ostrye

IPC: G06F1/20 ,  G05D23/19 ,  G05D23/20 ,  F24F11/38 ,  F24F11/46 ,  G06F1/16 ,  F24F110/12

Abstract: A heating, ventilation, and air conditioning system includes a plurality of sensors including a first sensor configured to measure an outside air temperature of outside air, a second sensor configured to measure a return air temperature of return air, and a third sensor configured to measure a mixed air temperature of mixed air. The system also includes a controller communicatively coupled to the plurality of sensors. The controller is configured to determine that data from one of the plurality of sensors is unavailable and estimate the data from the one of the plurality of sensors based on data from other sensors of the plurality of sensors.

公开(公告)号：US10935263B2

公开(公告)日：2021-03-02

申请号：US16206293

申请日：2018-11-30

Applicant: Johnson Controls Technology Company

Inventor： Baskaran K ,  Karan Garg ,  Curtis W. Caskey ,  Norman J. Blanton ,  Anthony J. Reardon ,  Zhiwei Huang

IPC: F24F3/153 ,  F25B49/02 ,  F25B39/04 ,  F25B41/04

Abstract: The present disclosure relates to a heating, ventilation, and/or air conditioning (HVAC) system that has a first circuit and a second circuit that each have a compressor and a condenser, a conduit extending from the second circuit downstream of the condenser to the first circuit upstream of the compressor, a valve along the conduit that may manage flow therethrough, and a controller that may operate the HVAC system in a first mode such that each circuit separately circulates the refrigerant in each circuit and transition to a second mode such that refrigerant-sharing occurs between the circuits. In response to a request to transition from the second mode to the first mode, the controller may determine an amount of refrigerant subcooling, compare the amount to a threshold value associated with the first mode, and instruct opening of the valve upon a determination that the amount is less than the threshold value.

公开(公告)号：US20210056452A1

公开(公告)日：2021-02-25

申请号：US16549037

申请日：2019-08-23

Applicant: Johnson Controls Technology Company

Inventor： Sugumar Murugesan ,  Young M. Lee

IPC: G06N7/00 ,  G06F17/18 ,  G06N3/08 ,  G06N20/00 ,  G06N5/04 ,  H02J3/00

Abstract: A building system for building data point prediction, the building system comprising 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 first building data for a building data point of a building and generate training data, the training data comprising a probability distribution sequence comprising a first probability distribution for the building data point. The instructions cause the one or more processors to train a prediction model based on the training data, receive second building data for the building data point, and predict, for one or more time-steps into the future, one or more second probability distributions with the second building data based on the prediction model, each of the one or more second probability distributions being a probability distribution for the building data point at one of the one or more time-steps.

公开(公告)号：US20210056386A1

公开(公告)日：2021-02-25

申请号：US16549656

申请日：2019-08-23

Applicant: Johnson Controls Technology Company

Inventor： Sugumar Murugesan ,  Young M. Lee

IPC: G06N3/04 ,  G06N3/08

Abstract: A building system for generating input forecast data. The building system comprising one or more memory devices configured to store instructions thereon that, when executed by one or more processors, cause the one or more processors to retrieve a current prediction set of measurements comprising current values associated with a plurality of time-steps; identify time-steps of the plurality of time-steps for which historical prediction values of a historical prediction set of measurements are outside of a tolerance of corresponding historical actual values of a historical actual set of measurements; replace each current value of the current prediction set of measurements that is associated with the identified time-steps with a predetermined value to generate an updated prediction set of measurements; and provide the updated prediction set of measurements to a prediction model.

公开(公告)号：US20210055012A1

公开(公告)日：2021-02-25

申请号：US17093479

申请日：2020-11-09

Applicant: Johnson Controls Technology Company

Inventor： Brian D. Rigg ,  Shawn A. Hern ,  Cody J. Kaiser ,  Noel A. Grajeda-Trevizo ,  Tom R. Tasker ,  Andrew M. Boyd

IPC: F24F11/47 ,  G05B19/042 ,  G05B13/02 ,  F24F11/523 ,  F24F11/61 ,  F24F11/67 ,  F24F11/88 ,  F24F11/83 ,  F24F11/86 ,  F24F11/81 ,  F24F11/64

Abstract: The present disclosure presents techniques for improving operational efficiency of climate control systems. A climate control system may include climate control equipment, a sensor that measures temperature in a building, and a control system that controls operation of the equipment using a first temperature schedule, which associates each time step with a temperature setpoint, when the building is occupied. When not occupied, the control system determines an expected return time based on historical occupancy data associated with the building, determines the temperature setpoint associated with the expected return time, determines candidate schedules each expected to result in the inside air temperature meeting the temperature setpoint, determines efficiency metrics each associated with one of the candidates based on historical performance data resulting from previous operation of the climate control system, and controls operation of the equipment based on a second temperature schedule selected from the candidates based on associated efficiency metrics.

公开(公告)号：US10928088B2

公开(公告)日：2021-02-23

申请号：US15892835

申请日：2018-02-09

Applicant: Johnson Controls Technology Company

Inventor： Shaun B. Atchison ,  Brian D. Rigg

IPC: F24F11/63 ,  G05B15/02

Abstract: The present disclosure includes a control board including a switchable input/output port. The switchable I/O port may provide a switchable communication bus capable of selectively supporting one of multiple different communication protocols and may provide a switchable power bus capable of selectively conducting electrical power from one of multiple different power supplies. As such, the control board may communicatively and/or electrically couple to a wide range of devices. To that end, the control board may support the dynamic interchange and reconfiguration of devices coupled to the control board, allowing a control system including the control board greater operational flexibility.

公开(公告)号：US20210048785A1

公开(公告)日：2021-02-18

申请号：US17084102

申请日：2020-10-29

Applicant: Johnson Controls Technology Company

Inventor： Kirk H. Drees

IPC: G05B13/04 ,  G06N3/08 ,  G06K9/62 ,  G06N7/00 ,  G06K9/00 ,  G05B15/02 ,  G06N3/04

Abstract: A method for controlling a plant includes using a neural network modeling technique to calculate a neural network prediction based on plant input data, using a second modeling technique to calculate a second prediction based on the plant input data, and determining whether to use (1) the neural network prediction without the second prediction, (2) the second prediction without the neural network prediction, or (3) both the neural network prediction and the second prediction by comparing a location of the plant input data in a multi-dimensional modeling space to one or more thresholds. The method includes generating a combined prediction using one or both of the neural network prediction and the second prediction in accordance with a result of the determining and controlling the plant using the combined prediction.

公开(公告)号：USRE48443E1

公开(公告)日：2021-02-16

申请号：US16206614

申请日：2018-11-30

Applicant: Johnson Controls Technology Company

Inventor： Eric J. Drury

IPC: H04L12/28 ,  H04L12/24 ,  H04L29/12 ,  H04L12/42

Abstract: A system and method of determining a topology of devices in an Ethernet network of a building management system (BMS). The method includes discovering a number and identification of devices within the Ethernet ring. The method further includes, for each device discovered in the Ethernet ring, disabling an Ethernet port of one of the device in the Ethernet ring; broadcasting a ring port request onto the Ethernet ring; receiving a ring port response from each of the devices having received the ring port request; and incrementing a count associated with each device based on receiving a ring port response from the device. The method then repeats the above steps until each device in the Ethernet ring has had an Ethernet port disabled. The method further includes determining the topology of the devices in the Ethernet ring by ordering the devices in the Ethernet ring based on the value of the count associated with each device.

公开(公告)号：US10921972B2

公开(公告)日：2021-02-16

申请号：US16723893

申请日：2019-12-20

Applicant: Johnson Controls Technology Company

Inventor： Youngchoon Park ,  Vijaya S. Chennupati ,  Vaidhyanathan Venkiteswaran

IPC: G06F3/048 ,  G06F3/0484 ,  G06F3/0482 ,  G06T11/20 ,  G06F3/0486 ,  G05B19/048 ,  G05B15/02

Abstract: A building energy management includes building equipment, one or more data platform services, a timeseries database, and an energy management application. The building equipment operate to monitor and control a variable and provide raw data samples of a data point associated with the variable. The timeseries database stores a plurality of timeseries associated with the data point. The plurality of timeseries include a timeseries of the raw data samples and the one or more optimized data timeseries generated by the data platform services based on the raw data timeseries. The energy management application generates an ad hoc dashboard including a widget and associates the widget with the data point. The widget displays a graphical visualization of the plurality of timeseries associated with the data point and includes interactive user interface options for switching between the plurality of timeseries associated with the data point.