Patents by Inventor Ravi L. Gondhalekar

Ravi L. Gondhalekar 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: 11189381
    Abstract: A state-estimator for the estimation or initialization of the state of a discrete-time state-space dynamical model based on sensor measurements of the model output, comprising fitting a continuous-time function to acquired sensor measurement data-points of each model output, and subsequently sampling the continuous time function at exactly the sample-period of the state-space dynamic model for which the state is being estimated or initialized, in order to construct a model state via a synthesized output trajectory.
    Type: Grant
    Filed: May 27, 2018
    Date of Patent: November 30, 2021
    Assignee: The Regents of the University of California
    Inventors: Ravi L. Gondhalekar, Francis J. Doyle, III, Eyal Dassau
  • Patent number: 10617822
    Abstract: Methods, devices, algorithms, and systems controlling insulin delivery employ velocity-weighting. Predicted glucose outcomes are penalized with a cost modulated by a factor that is a function of the glucose velocity, wherein glucose outcomes are penalized increasingly less for increasingly negative glucose velocities, when glucose level is high, and/or wherein a hyperglycemic glucose value that is already converging to the euglycemic zone results in less corrective action by the controller than were the hyperglycemic state steady.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: April 14, 2020
    Assignee: The Regents of the University of California
    Inventors: Ravi L. Gondhalekar, Eyal Dassau, Francis J. Doyle, III
  • Patent number: 10507284
    Abstract: A controller for an artificial pancreas for automated insulin delivery to patients with type 1 diabetes mellitus (T1DM) that enforces safe insulin delivery throughout both day and night, wherein the controller employs zone model predictive control, whereby real-time optimization, based on a model of a human's insulin response, is utilized to regulate blood glucose levels to a safe zone, and time-dependent zones that smoothly modulate the controller correction based on the time of day, wherein the controller strategically strives to maintain an 80-140 mg/dL glucose zone during the day, a 110-220 mg/dL zone at night, and a smooth transition of 2 hour duration in between.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: December 17, 2019
    Assignee: The Regents of the University of California
    Inventors: Francis J. Doyle, III, Eyal Dassau, Ravi L. Gondhalekar
  • Publication number: 20180277253
    Abstract: A state-estimator for the estimation or initialization of the state of a discrete-time state-space dynamical model based on sensor measurements of the model output, comprising fitting a continuous-time function to acquired sensor measurement data-points of each model output, and subsequently sampling the continuous time function at exactly the sample-period of the state-space dynamic model for which the state is being estimated or initialized, in order to construct a model state via a synthesized output trajectory.
    Type: Application
    Filed: May 27, 2018
    Publication date: September 27, 2018
    Applicant: The Regents of the University of California
    Inventors: Ravi L. Gondhalekar, Francis J. Doyle, III, Eyal Dassau
  • Patent number: 9984773
    Abstract: A state-estimator for the estimation or initialization of the state of a discrete-time state-space dynamical model based on sensor measurements of the model output, comprising fitting a continuous-time function to acquired sensor measurement data-points of each model output, and subsequently sampling the continuous time function at exactly the sample-period of the state-space dynamic model for which the state is being estimated or initialized, in order to construct a model state via a synthesized output trajectory.
    Type: Grant
    Filed: February 4, 2017
    Date of Patent: May 29, 2018
    Assignee: The Regents of the University of California
    Inventors: Ravi L. Gondhalekar, Francis J. Doyle, III, Eyal Dassau
  • Publication number: 20170147781
    Abstract: A state-estimator for the estimation or initialization of the state of a discrete-time state-space dynamical model based on sensor measurements of the model output, comprising fitting a continuous-time function to acquired sensor measurement data-points of each model output, and subsequently sampling the continuous time function at exactly the sample-period of the state-space dynamic model for which the state is being estimated or initialized, in order to construct a model state via a synthesized output trajectory.
    Type: Application
    Filed: February 4, 2017
    Publication date: May 25, 2017
    Applicant: The Regents of the University of California
    Inventors: Ravi L. Gondhalekar, Francis J. Doyle, III, Eyal Dassau
  • Publication number: 20170143899
    Abstract: Methods, devices, algorithms, and systems controlling insulin delivery employ velocity-weighting. Predicted glucose outcomes are penalized with a cost modulated by a factor that is a function of the glucose velocity, wherein glucose outcomes are penalized increasingly less for increasingly negative glucose velocities, when glucose level is high, and/or wherein a hyperglycemic glucose value that is already converging to the euglycemic zone results in less corrective action by the controller than were the hyperglycemic state steady.
    Type: Application
    Filed: June 29, 2016
    Publication date: May 25, 2017
    Applicant: The Regents of the University of California
    Inventors: Ravi L. Gondhalekar, Eyal Dassau, Francis J. Doyle, III
  • Publication number: 20140200559
    Abstract: A controller for an artificial pancreas for automated insulin delivery to patients with type 1 diabetes mellitus (T1DM) that enforces safe insulin delivery throughout both day and night, wherein the controller employs zone model predictive control, whereby real-time optimization, based on a model of a human's insulin response, is utilized to regulate blood glucose levels to a safe zone, and time-dependent zones that smoothly modulate the controller correction based on the time of day, wherein the controller strategically strives to maintain an 80-140 mg/dL glucose zone during the day, a 110-220 mg/dL zone at night, and a smooth transition of 2 hour duration in between.
    Type: Application
    Filed: January 14, 2014
    Publication date: July 17, 2014
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Francis J. Doyle, III, Eyal Dassau, Ravi L. Gondhalekar