Patents by Inventor Mohammad N. ElBsat

Mohammad N. ElBsat 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: 11913655
    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: Grant
    Filed: December 22, 2021
    Date of Patent: February 27, 2024
    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
  • Publication number: 20240053715
    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: June 19, 2023
    Publication date: February 15, 2024
    Inventors: Mohammad N. Elbsat, Michael J. Wenzel, Kirk H. Drees
  • Patent number: 11900287
    Abstract: A model predictive maintenance (MPM) system for building equipment. The MPM system includes an equipment controller configured to operate the building equipment to affect a variable state or condition in a building. The MPM system includes an operational cost predictor configured to predict a cost of operating the building equipment over a duration of an optimization period. The MPM system includes a budget manager configured to generate one or more budget constraints. The MPM system includes an objective function optimizer configured to optimize an objective function subject to the one or more budget constraints to determine a maintenance and replacement schedule for the building equipment. The objective function includes maintenance and replacement costs of the building equipment and the predicted cost of operating the building equipment.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: February 13, 2024
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Robert D. Turney, Sudhi R. Sinha, Michael J. Wenzel, Mohammad N. Elbsat
  • Patent number: 11846439
    Abstract: A system for assessing relative performance among a plurality of heating, ventilation, or air condition (HVAC) assets, the system comprising a processing circuit configured to identify a peer group comprising two or more of the plurality of HVAC assets having a common characteristic, generate values of a peer metric for the HVAC assets in the peer group based on corresponding operation data associated with the HVAC assets, perform a weighted outlier detection process using the values of the peer metric, and initiate an automated action in response to detecting an outlier HVAC asset.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: December 19, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Parisa Khosravi, Mohammad N. Elbsat, Michael J. Wenzel
  • Patent number: 11847617
    Abstract: A model predictive maintenance system for building equipment. The system includes one or more processing circuits including 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 performing an optimization of an objective function that defines a present value of a total cost of operating the building equipment and performing maintenance on the building equipment as a function of operating decisions and maintenance decisions for the building equipment for time steps within a time period. The total cost includes one or more costs incurred during one or more future time steps of the time period. The operations include operating the building equipment and performing maintenance on the building equipment in accordance with decisions defined by the result of the optimization.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: December 19, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Mohammad N. Elbsat, Michael J. Wenzel, Jingduo Fan
  • Patent number: 11803174
    Abstract: A building management system (BMS) includes sensors that measure time series values of building variables and a deterministic model generator that uses historical values for the time series of building variables to train a deterministic model that predicts deterministic values for the time series. The BMS includes a stochastic model generator that uses differences between actual values for the time series and the predicted deterministic values to train a stochastic model that predicts a stochastic value for the time series. The BMS includes a forecast adjuster that adjusts the predicted deterministic values using the predicted stochastic value to generate an adjusted forecast for the time series. The BMS includes a demand response optimizer that uses the adjusted forecast to generate an optimal set of control actions for building equipment of the BMS. The building equipment operate to affect the building variables.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: October 31, 2023
    Assignee: Johnson Controls Technology Company
    Inventors: Mohammad N. Elbsat, Michael J. Wenzel
  • Patent number: 11782409
    Abstract: An environmental control system of a building including a first building device operable to affect environmental conditions of a zone of the building by providing a first input to the zone. The system includes a second building device operable to independently affect a subset of the environmental conditions by providing a second input to the zone and further includes a controller including a processing circuit. The processing circuit is configured to perform an optimization to generate control decisions for the building devices. The optimization is performed subject to constraints for the environmental conditions and uses a predictive model that predicts an effect of the control decisions on the environmental conditions. The processing circuit is configured to operate the building devices in accordance with the control decisions.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 10, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Robert D. Turney, Michael J. Wenzel, Mohammad N. Elbsat, Liming Yang, Matthew J. Ellis, Masayuki Nonaka
  • Publication number: 20230312174
    Abstract: A controller for a building control system includes processors and memory storing instructions that, when executed by the processors, cause the processors to perform operations including identifying zones within a building, analyzing data associated with the zones, and generating zone groupings based on the data associated with the zones. Each of the zone groupings define zone groups and specify which of the zones are grouped together to form each of the zone groups. The operations also include identifying a particular zone grouping from zone groupings based on the data associated with zones and using the particular zone grouping to generate control signals to operate equipment of the building control system to provide heating or cooling to the zones.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: John H. Burroughs, Andrew J. Przybylski, Matthew J. Ellis, Mohammad N. ELBSAT, Michael J. Wenzel
  • Patent number: 11774122
    Abstract: 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: Grant
    Filed: January 9, 2020
    Date of Patent: October 3, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Anas W. I. Alanqar, Michael J. Wenzel, Fang Du, Mohammad N. Elbsat
  • Patent number: 11768003
    Abstract: A controller for a building control system includes processors and memory storing instructions that, when executed by the processors, cause the processors to perform operations including identifying zones within a building, analyzing data associated with the zones, and generating zone groupings based on the data associated with the zones. Each of the zone groupings define zone groups and specify which of the zones are grouped together to form each of the zone groups. The operations also include identifying a particular zone grouping from zone groupings based on the data associated with zones and using the particular zone grouping to generate control signals to operate equipment of the building control system to provide heating or cooling to the zones.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: September 26, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: John H. Burroughs, Andrew J. Przybylski, Matthew J. Ellis, Mohammad N. ElBsat, Michael J. Wenzel
  • Patent number: 11761663
    Abstract: An HVAC system includes a plurality of heat transfer devices operable to transfer heat into or out of the plurality zones. The HVAC system includes a controller configured to obtain a heat map indicating zone temperatures, use a thermal model of the building space to predict the zone temperatures as a function of control decisions indicating an amount of heat to transfer into or out of each of the plurality of zones by the plurality of heat transfer devices, determine the amount of heat to transfer into or out of each of the plurality of zones subject to a constraint or penalty based on differences between the zone temperatures predicted to result from the control decisions, and operate the heat transfer devices to transfer the amount of heat into or out of each of the plurality of zones in accordance with the control decisions.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: September 19, 2023
    Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
    Inventor: Mohammad N. Elbsat
  • Publication number: 20230291202
    Abstract: A controller for building equipment that operate to produce or consume resources for a building or campus. The controller performs an optimization of an objective function subject to an override constraint to determine values for a plurality of decision variables indicating amounts of resources to be produced or consumed by the building equipment. The override constraint defines one or more of the values for a subset of the plurality of decision variables by specifying an override amount of a first resource of the resources to be produced or consumed by a first subset of the building equipment and the optimization determines a remainder of the values for a remainder of the plurality of decision variables. The controller controls the building equipment to produce or consume the amounts of the resources determined by performing the optimization subject to the override constraint.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventor: Mohammad N. ELBSAT
  • Publication number: 20230281534
    Abstract: A controller for equipment that operate to store, discharge, generate, or consume one or more resources is configured to provide an objective function indicating a total value of obtaining a resource from a utility provider over a plurality of time steps subject to a load-following-block rate structure. The objective function includes a first term representing a load-following-block of the resource as being sourced from the utility provider at a fixed rate and a second term representing a remainder of the resource as being sourced from the utility provider at a variable rate. The controller is configured to use the objective function to generate values for decision variables and control the equipment to store, discharge, generate, or consume amounts of the resources indicated by the values of the decision variables at the plurality of time steps.
    Type: Application
    Filed: May 11, 2023
    Publication date: September 7, 2023
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: Mohammad N. ELBSAT, Michael J. Wenzel
  • Publication number: 20230280732
    Abstract: A method includes finding, in subplant performance data points defined by values of an independent variable and values of a dependent variable, a first point for which a convexity metric of the dependent variable with respect to the independent variable exceeds a threshold, creating a subplant curve by providing a first convex region on a first side of the first point and a second convex region on a second side of the first point, and controlling the campus subplant based on the subplant curve.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 7, 2023
    Inventors: ANAS W. I. ALANQAR, MICHAEL J. WENZEL, MOHAMMAD N. ELBSAT
  • Patent number: 11747800
    Abstract: An automatic work order generation system for model predictive maintenance (MPM) of building equipment including an MPM system including an equipment controller to operate the building equipment to affect an environmental condition of a building. The MPM system can perform a predictive optimization to determine a service time at which to service the building equipment. The automatic work order generation system includes an equipment service scheduler that can determine whether any service providers are available to perform equipment service within a predetermined time range of the service time. In response to determining that service providers are available to perform the equipment service, the equipment service scheduler can select a service provider and an appointment time based on one or more service provider attributes. The equipment service scheduler can generate a service work order and transmit the service work order to the service provider to schedule a service appointment.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: September 5, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: Mohammad N. ElBsat, Michael J. Wenzel, Zhigang Wu, Yasutaka Yoshida, Robert D. Turney, Liming Yang
  • Publication number: 20230250987
    Abstract: Systems and methods for controlling building equipment based on an indoor air quality (IAQ) ventilation analysis of a building. One system includes a controller including memory and one or more processors configured to continuously collect IAQ data from one or more sensors within the building, estimate a plurality of outdoor airflow rates for an area of the building during a plurality of transient periods using the IAQ data as input, generate a time series outdoor airflow rate includes the plurality of estimated outdoor airflow rates, and modify a control strategy for the area of the building based on the time series outdoor airflow rate and a ventilation schedule for the area of the building.
    Type: Application
    Filed: February 3, 2023
    Publication date: August 10, 2023
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: FANG DU, MICHAEL J. WENZEL, ANAS W.I. ALANQAR, JONATHAN D. DOUGLAS, SEAN A. FINN-SAMUELS, MICHAEL J. RISBECK, MOHAMMAD N. ELBSAT, KIRK H. DREES
  • Publication number: 20230253787
    Abstract: A system includes a first subsystem configured to produce a resource by consuming electricity, a second subsystem configured to produce the resource by consuming a fuel, and a controller. The controller is configured to determine an allocation of a predicted demand for the resource over a future time period between the first subsystem and the second subsystem based on a first carbon emissions rate associated with off-site production of the electricity and a second carbon emissions rate associated with on-site consumption of the fuel. The controller is also configured to control the first subsystem and the second subsystem to produce the resource in accordance with the allocation during the future time period.
    Type: Application
    Filed: February 10, 2022
    Publication date: August 10, 2023
    Inventors: MICHAEL J. WENZEL, MOHAMMAD N. ELBSAT
  • Patent number: 11714393
    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: Grant
    Filed: January 14, 2022
    Date of Patent: August 1, 2023
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: John H. Burroughs, Andrew J. Przybylski, Michael J. Wenzel, Mohammad N. Elbsat, Joseph C. Jones, Kirk H. Drees
  • Publication number: 20230236560
    Abstract: A method includes providing a net consumption trajectory comprising net consumption targets for one or more subperiods of a time period. Each net consumption target indicates a target difference from a beginning of a time period to an end of the subperiod between total consumption and total production or offset. The method also includes generating, for a subperiod of the plurality of subperiods, a set of curtailment actions predicted to achieve the net consumption target for the subperiod and implementing the set of curtailment actions.
    Type: Application
    Filed: May 27, 2022
    Publication date: July 27, 2023
    Inventors: YOUNG M. LEE, MICHAEL J. RISBECK, MOHAMMAD N. ELBSAT, MICHAEL J. WENZEL, RAJIV RAMANASANKARAN
  • Publication number: 20230228438
    Abstract: A thermostat for a building zone includes at least one of a model predictive controller and an equipment controller. The model predictive controller is configured to obtain a cost function that accounts for a cost of operating HVAC equipment during each of a plurality of time steps, use a predictive model to predict a temperature of the building zone during each of the plurality of time steps, and generate temperature setpoints for the building zone for each of the plurality of time steps by optimizing the cost function subject to a constraint on the predicted temperature. The equipment controller is configured to receive the temperature setpoints generated by the model predictive controller and drive the temperature of the building zone toward the temperature setpoints during each of the plurality of time steps by operating the HVAC equipment to provide heating or cooling to the building zone.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Applicant: Johnson Controls Tyco IP Holdings LLP
    Inventors: Robert D. Turney, Matthew J. Ellis, Michael J. Wenzel, Mohammad N. ELBSAT, Juan Esteban Tapiero Bernal, Brennan H. Fentzlaff