Patents by Inventor Kirk H. Drees

Kirk H. Drees has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11429077
    Abstract: A building control system has a controller including a processing circuit configured to transition between multiple discrete operating states by executing state transitions, generate an adaptive user interface including a representation of the multiple discrete operating states and the state transitions therebetween, and automatically learn one or more learned behaviors or preferences of the user. The processing circuit is also configured to retrieve, from a descriptive text database, a description of a selected operating state or selected state transition based on the one or more learned behaviors or preferences of the user, the descriptive text database storing multiple different descriptions of the selected operating state or selected state transition, and update the adaptive user interface to provide the description of the selected operating state or selected state transition retrieved from the descriptive text database based on the one or more learned behaviors or preferences of the user.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: August 30, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventor: Kirk H. Drees
  • Publication number: 20220260402
    Abstract: A system for controlling a flow rate of a fluid through a valve includes a controller. The controller is configured to receive a raw flow rate measurement from a flow rate sensor assembly configured to measure the flow rate. The controller is further configured to apply a flow rate measurement filter to the raw flow rate measurement to generate a filtered flow rate measurement. The controller is further configured to control actuation of an actuator configured to change the flow rate using the filtered flow rate measurement. The controller is configured to automatically adjust the flow rate measurement filter in response to detecting an event that causes stoppage of the actuation of the actuator.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: Homero L. Noboa, Camille M. Aucoin, Kirk H. Drees
  • Patent number: 11416017
    Abstract: 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: Grant
    Filed: January 6, 2021
    Date of Patent: August 16, 2022
    Assignee: Johnson Controls Technology Company
    Inventors: Clay G. Nesler, Kirk H. Drees, James P. Kummer, Derek Supple, Marc D. Andraca, John I. Ruiz, Paul Harrison Rode
  • Patent number: 11415335
    Abstract: 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: Grant
    Filed: July 18, 2019
    Date of Patent: August 16, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Jack A. Peterson, Kirk H. Drees, Brennan H. Fentzlaff, Homero L. Noboa, Brett M. Lenhardt
  • Patent number: 11402116
    Abstract: A method of predicting a time of effect of an intervention of a point of a Building Management System (BMS). The method includes evaluating a first input to determine how an intervention of a point will affect a variable of the BMS; predicting a time at which the intervention will affect the variable of the BMS; presenting feedback to a user via a user interface before implementing the intervention of the point, the feedback comprising the time at which the intervention of the point is predicted to affect the variable; and implementing the intervention or a cancellation of the intervention based at least in part on a second input from the user or an automated response to the feedback. The method allows for users to determine whether to implement proposed interventions in real-time.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: August 2, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Dimitrios S. Papadopoulos, Kirk H. Drees
  • Patent number: 11391480
    Abstract: A freeze protection system for a heating, ventilation, or air conditioning (HVAC) system is shown. The freeze protection system includes a temperature sensor positioned at an inlet of a coil within which a liquid is at risk of freezing, and a controller comprising a processor and memory. The memory stores instructions that are executed by the processor. The processor is instructed to obtain a measured temperature of the liquid at the inlet of the coil from the temperature sensor, compare the measured temperature of the liquid at the inlet of the coil with a freeze prevention temperature threshold, engage a freeze prevention action in response to a determination that the measured temperature of the liquid at the inlet of the coil is less than or equal to the freeze prevention temperature threshold.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: July 19, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Kirk H. Drees, Homero L. Noboa, Brennan H. Fentzlaff
  • Patent number: 11372382
    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.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: June 28, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventor: Kirk H. Drees
  • Patent number: 11359950
    Abstract: A system for controlling a flow rate of a fluid through a valve includes a controller. The controller is configured to receive a raw flow rate measurement from a flow rate sensor assembly configured to measure the flow rate. The controller is further configured to apply a flow rate measurement filter to the raw flow rate measurement to generate a filtered flow rate measurement. The controller is further configured to control actuation of an actuator configured to change the flow rate using the filtered flow rate measurement. The controller is configured to automatically adjust the flow rate measurement filter in response to detecting an event that causes stoppage of the actuation of the actuator.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 14, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Homero L. Noboa, Camille M. Aucoin, Kirk H. Drees
  • Publication number: 20220147077
    Abstract: A building management system (BMS) operates a plurality of HVAC devices to affect a physical state or condition and detects a fault condition at a second HVAC device affected by the physical state or condition and having causal relationships with the plurality of HVAC devices such that faulty operation of one or more of the plurality of HVAC devices causes a detectable effect at the second HVAC device. The BMS identifies, based on the fault condition, a predetermined set of system parameters corresponding to the fault condition and comprising a plurality of system parameters of the plurality of HVAC devices that are potential causes of the fault condition. The BMS retrieves operating data for the predetermined set of system parameters and transmits a signal to display a user interface comprising the operating data on a display screen.
    Type: Application
    Filed: January 21, 2022
    Publication date: May 12, 2022
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: Homero L. Noboa, Kirk H. Drees, Vivek V. Gupta, Mark T. Fischbach
  • Publication number: 20220137580
    Abstract: A controller includes a processing circuit comprising one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations. The operations include determining a gradient of an objective function with respect to a constraint variable used to define a constraint on a control process that uses the objective function and modifying the constraint variable to have a modified value in response to determining that a trigger condition is satisfied. The trigger condition is based on the gradient. The operations include performing the control process subject to the constraint using the modified value of the constraint variable and operating equipment in accordance with a result of the control process.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 5, 2022
    Inventors: John H. Burroughs, Andrew J. Przybylski, Michael J. Wenzel, MOHAMMAD N. ELBSAT, Joseph C. Jones, Kirk H. Drees
  • Publication number: 20220113050
    Abstract: A building system of a building includes an in-zone plume control system located within a zone of the building, the in-zone plume control system including one or more return air inlets comprising openings to receive one or more air plumes generated by one or more users. The in-zone plume control system includes one or more exhaust outlets configured to exhaust the one or more air plumes, a filter, and a fan configured to draw the one or more air plumes in through the one or more return air inlets, through the filter, and out through the one or more exhaust outlets back into the zone, wherein the filter is configured to filter the one or more air plumes to remove particles from the one or more air plumes before returning the one or more air plumes to the zone.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Inventors: Jonathan D. Douglas, Kirk H. Drees, Clay G. Nesler
  • Publication number: 20220113045
    Abstract: A building management system (BMS) for filtering a fluid within a building is shown. The system includes one or more sensors configured to measure one or more characteristics of a first fluid within an air duct of the BMS and measure one or more characteristics of a second fluid after the second fluid has been filtered. The system further includes a pollutant management system configured to receive data from the one or more sensors and control a filtration process. The filtration process selects a filter of a plurality of filters based on at least one of a level of the one or more characteristics of the first fluid or the one or more characteristics of the second fluid.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: Timothy C. Gamroth, Michael J. Wenzel, Mohammad N. ElBsat, David S. Eidson, James Burke, Kirk H. Drees, Thomas M. Seneczko
  • Patent number: 11296511
    Abstract: An electrical energy storage system includes a battery configured to store and discharge electric power to an energy grid, a power inverter configured to use battery power setpoints to control an amount of the electric power stored or discharged from the battery, the battery power setpoints comprising at least one of frequency regulation power setpoints and ramp rate control power setpoints, and a controller. The controller is configured to use a battery life model to generate the battery power setpoints for the power inverter. The battery life model includes one or more variables that depend on the battery power setpoints.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 5, 2022
    Assignee: Con Edison Battery Storage, LLC
    Inventors: Michael J. Wenzel, Brett M. Lenhardt, Kirk H. Drees
  • Publication number: 20220100158
    Abstract: An energy storage system for a building includes a battery asset configured to store electricity and discharge the stored electricity for use in satisfying a building electric load. The system includes a planning tool configured to identify one or more selected functionalities of the energy storage system and generate a cost function defining a cost of operating the energy storage system over an optimization period. The cost function includes a term for each of the selected functionalities. The planning tool is configured to generate optimization constraints based on the selected functionalities, attributes of the battery asset, and the electric energy load to be satisfied. The planning tool is configured to optimize the cost function to determine optimal power setpoints for the battery asset at each of a plurality of time steps of the optimization period.
    Type: Application
    Filed: October 4, 2021
    Publication date: March 31, 2022
    Inventors: Mohammad N. Elbsat, Michael J. Wenzel, Kirk H. Drees
  • Publication number: 20220092500
    Abstract: A control system includes building equipment configured to consume electrical energy and generate thermal energy, electrical energy storage configured to store and discharge electrical energy, and a controller. The controller is configured to determine, for a plurality of time steps within a time horizon, an amount of electrical energy to store in the electrical energy storage or discharge from the electrical energy storage using a value function. The value function includes an expected revenue from participating in an incentive-based demand response (IBDR) program, an expected cost of participating in the IBDR program, and a penalty cost based on an amount by which a predicted output of the building equipment or the electrical energy storage changes between time steps within the time horizon. The controller is configured to control the electrical energy storage to store or discharge the amount of electrical energy determined using the value function.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 24, 2022
    Applicant: Johnson Controls Technology Company
    Inventors: Kirk H. Drees, Michael J. Wenzel, Robert D. Turney
  • Publication number: 20220082280
    Abstract: A method for providing filtered air to a zone of a building includes operating an air handler to pass unfiltered air through a filter and output filtered air to the zone of the building. The method includes determining an amount of filtered air provided to the zone of the building by the air handler. The method includes determining if additional air filtration is required to satisfy at least one of a desired amount of clean airflow or a desired reduction of a risk of infection. The method includes activating an in-zone filtration device and operating the in-zone filtration device to draw air from the zone into an inner volume, filter the air, and recirculate the filtered air to the zone of the building in response to determining additional air filtration is required.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 17, 2022
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: Jonathan D. DOUGLAS, Kirk H. DREES, Michael J. RISBECK
  • Patent number: 11274842
    Abstract: A building management system (BMS) for filtering a fluid within a building is shown. The system includes one or more sensors configured to measure one or more characteristics of a first fluid within an air duct of the BMS and measure one or more characteristics of a second fluid after the second fluid has been filtered. The system further includes a pollutant management system configured to receive data from the one or more sensors and control a filtration process. The filtration process selects a filter of a plurality of filters based on a level of the one or more characteristics of the first fluid and the one or more characteristics of the second fluid.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: March 15, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Timothy C. Gamroth, Michael J. Wenzel, Mohammad N. ElBsat, David S. Eidson, James Burke, Kirk H. Drees, Thomas M. Seneczko
  • Patent number: 11274847
    Abstract: A space controller includes processors and non-transitory computer-readable media storing instructions that, when executed by the processors, cause the processors to perform operations. The operations include obtaining a power consumption model that defines a change in power consumption of HVAC equipment that operate to provide heating or cooling to a space as a function of a change in temperature setpoint for the space and model parameters that represent thermal properties of the space. The operations include estimating values of the model parameters based on training data including values of the power consumption of the HVAC equipment, the temperature setpoint for the space, and outdoor air temperature at multiple times within a training period. The operations include using the power consumption model and the values of the model parameters to predict a change in the power consumption of the HVAC equipment expected to result from a change in the temperature setpoint.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: March 15, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventor: Kirk H. Drees
  • Patent number: 11275355
    Abstract: An optimization system for a central plant includes a processing circuit configured to receive load prediction data indicating building energy loads and utility rate data indicating a price of one or more resources consumed by equipment of the central plant to serve the building energy loads. The optimization system includes a high level optimization module configured to generate an objective function that expresses a total monetary cost of operating the central plant over an optimization period as a function of the utility rate data and an amount of the one or more resources consumed by the central plant equipment. The optimization system includes a demand charge module configured to modify the objective function to account for a demand charge indicating a cost associated with maximum power consumption during a demand charge period. The high level optimization module is configured to optimize the objective function over the demand charge period.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 15, 2022
    Assignee: Johnson Controls Technology Company
    Inventors: Michael J. Wenzel, Kirk H. Drees
  • Patent number: 11274850
    Abstract: 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 differential pressure sensor configured to measure a differential pressure across the valve and a controller that is communicably coupled with the differential pressure sensor and the motor. The controller is configured to receive a flow rate setpoint and the differential pressure measurement, determine an estimated flow rate based on the differential pressure measurement, determine an actuator position setpoint using the flow rate setpoint and the estimated flow rate, and operate the motor to drive the drive device to the actuator position setpoint.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: March 15, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Camille M. Aucoin, Brennan H. Fentzlaff, Homero L. Noboa, Duane S. Freimuth, Kirk H. Drees, Kenneth J. Sieth, Justin M. Salerno