Patents by Inventor David Lax

David Lax 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: 10832581
    Abstract: A system, computer-readable medium, and a method including obtaining flight data for a specific aircraft for a prescribed flight; obtaining current sample measurements of at least one state or output of the specific aircraft; performing based on the obtained flight data, the current measurements or outputs, and a mathematical model accurately representing an actual operational performance of the specific aircraft and providing a predictive indication of a future performance of the specific aircraft, a control optimization to determine a cost-optimal control input for the prescribed flight; adjusting, in response to a consideration of actual operational characteristics of the specific aircraft, the optimized control input; and transmitting the adjusted optimized control input to the specific aircraft to operate the specific aircraft to minimize the direct operating cost for the prescribed flight.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: November 10, 2020
    Assignee: General Electric Company
    Inventors: Eric Richard Westervelt, Mark Lawrence Darnell, Reza Ghaemi, David Lax
  • Patent number: 10794705
    Abstract: A system, computer-readable medium, and a method to operate a vehicle in a manner that minimizes a cost to travel from an origin to a destination that includes finding the input to a flight control system that minimizes direct operating cost. The approach described herein employs an energy state approximation (ESA).
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: October 6, 2020
    Assignee: General Electric Company
    Inventors: Reza Ghaemi, Eric Richard Westervelt, Mark Lawrence Darnell, David Lax
  • Patent number: 10592636
    Abstract: A system, computer-readable medium, and a method including receiving flight data engine measurements for at least one engine of the specific aircraft asset; receiving flight data aerodynamics measurements for the specific aircraft asset; combining a physics based parametric aerodynamic performance model tuned for the specific aircraft asset using the flight data aerodynamics measurements and a physics based engine model tuned for the specific aircraft asset using the flight data engine measurements; calculating, based on the combined tuned aerodynamic performance model and the tuned engine model, a performance model for the specific aircraft asset as a whole; and storing a record of the calculated performance model for the specific aircraft asset for a future deployment.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 17, 2020
    Assignee: General Electric Company
    Inventors: Liling Ren, Faisal Goussous, Meet Patel, Filippo Liverini, Sean Hwang, David Lax, Mark Darnell
  • Patent number: 10460610
    Abstract: A system, computer-readable medium, and a method including obtaining flight data for a prescribed flight from at least one of an airborne system of a particular aircraft to execute the prescribed flight and a system other than the airborne system of the particular aircraft having a source of data related to the prescribed flight, the flight data including specific details relating to at least one of the particular aircraft and parameters of the prescribed flight; performing, by a processor of an external computational asset and based on the obtained flight data, a control optimization to generate optimized path specific controls for the prescribed flight; transmitting the optimized path specific controls via a communication uplink from the external computational asset to the particular aircraft; and guiding, in response to receiving the optimized path specific controls by the particular aircraft, the particular aircraft in accordance with the optimized path specific controls to execute the prescribed flight.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 29, 2019
    Assignee: General Electric Company
    Inventors: Eric Richard Westervelt, MacKenzie Cumings, Mark Lawrence Darnell, David Lax, Liling Ren, Nicholas Visser
  • Publication number: 20190277637
    Abstract: A system, computer-readable medium, and a method to operate a vehicle in a manner that minimizes a cost to travel from an origin to a destination that includes finding the input to a flight control system that minimizes direct operating cost. The approach described herein employs an energy state approximation (ESA).
    Type: Application
    Filed: March 14, 2019
    Publication date: September 12, 2019
    Inventors: Reza GHAEMI, Eric Richard WESTERVELT, Mark Lawrence DARNELL, David LAX
  • Patent number: 10399689
    Abstract: An aircraft control system and method to optimize aircraft control based on noise abatement volumes. A noise abatement component computes optimal flight and engine control based on a line-of-sight distance to minimize direct operating cost (DOC) while complying with community noise regulations.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: September 3, 2019
    Assignee: GE Aviation Systems LLC
    Inventors: Mark Darnell, David Lax, Brandon James Rhone
  • Publication number: 20180354636
    Abstract: An aircraft control system and method to optimize aircraft control based on noise abatement volumes. A noise abatement component computes optimal flight and engine control based on a line-of-sight distance to minimize direct operating cost (DOC) while complying with community noise regulations.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 13, 2018
    Inventors: Mark Darnell, David Lax, Brandon James Rhone
  • Publication number: 20180286254
    Abstract: A system, computer-readable medium, and a method including obtaining flight data for a specific aircraft for a prescribed flight; obtaining current sample measurements of at least one state or output of the specific aircraft; performing based on the obtained flight data, the current measurements or outputs, and a mathematical model accurately representing an actual operational performance of the specific aircraft and providing a predictive indication of a future performance of the specific aircraft, a control optimization to determine a cost-optimal control input for the prescribed flight; adjusting, in response to a consideration of actual operational characteristics of the specific aircraft, the optimized control input; and transmitting the adjusted optimized control input to the specific aircraft to operate the specific aircraft to minimize the direct operating cost for the prescribed flight.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 4, 2018
    Inventors: Eric Richard WESTERVELT, Mark Lawrence DARNELL, Reza GHAEMI, David LAX
  • Publication number: 20180286253
    Abstract: A system, computer-readable medium, and a method including obtaining flight data for a specific aircraft including a mathematical model that accurately represents an performance of the specific aircraft and provides a predictive indication of a future performance of the specific aircraft in response to a current state or input to the specific aircraft; obtaining current sample measurements of at least one state or output of the specific aircraft; performing, based on the obtained flight data and current measurements and outputs, a control optimization to generate optimized control commands to minimize the direct operating cost of the prescribed flight; transmitting the optimized control commands to the particular aircraft for use thereby to operate the particular aircraft to execute the prescribed flight; and iteratively repeating operations of the method for successive sequential instances in time for a duration of at least a portion of the prescribed flight.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 4, 2018
    Inventors: Mark Lawrence DARNELL, Reza GHAEMI, David LAX, Eric Richard WESTERVELT
  • Publication number: 20180268100
    Abstract: A system, computer-readable medium, and a method including receiving flight data engine measurements for at least one engine of the specific aircraft asset; receiving flight data aerodynamics measurements for the specific aircraft asset; combining a physics based parametric aerodynamic performance model tuned for the specific aircraft asset using the flight data aerodynamics measurements and a physics based engine model tuned for the specific aircraft asset using the flight data engine measurements; calculating, based on the combined tuned aerodynamic performance model and the tuned engine model, a performance model for the specific aircraft asset as a whole; and storing a record of the calculated performance model for the specific aircraft asset for a future deployment.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 20, 2018
    Inventors: Liling REN, Faisal GOUSSOUS, Meet PATEL, Filippo LIVERINI, Sean HWANG, David LAX, Mark DARNELL
  • Publication number: 20180268090
    Abstract: A system, computer-readable medium, and a method including determining a reference baseline model that accurately represents a behavior of a nominal or average asset of a particular type; determining a parametric model that accurately represents a deviation between a performance of a specific asset and the reference baseline model, the specific asset being of the particular type; tuning the parametric model based on operational data from the specific asset; combining the reference baseline model and the parametric model to obtain a parametric performance model for the specific asset; and storing a record of the parametric performance model for the specific asset.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 20, 2018
    Inventors: Liling REN, Eric Richard WESTERVELT, Mark Lawrence DARNELL, David LAX, Szabolcs BORGYOS, Russell RAMAKER, James LOPEZ
  • Publication number: 20180096608
    Abstract: A system, computer-readable medium, and a method including obtaining flight data for a prescribed flight from at least one of an airborne system of a particular aircraft to execute the prescribed flight and a system other than the airborne system of the particular aircraft having a source of data related to the prescribed flight, the flight data including specific details relating to at least one of the particular aircraft and parameters of the prescribed flight; performing, by a processor of an external computational asset and based on the obtained flight data, a control optimization to generate optimized path specific controls for the prescribed flight; transmitting the optimized path specific controls via a communication uplink from the external computational asset to the particular aircraft; and guiding, in response to receiving the optimized path specific controls by the particular aircraft, the particular aircraft in accordance with the optimized path specific controls to execute the prescribed flight.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventors: Eric Richard WESTERVELT, MacKenzie CUMINGS, Mark Lawrence DARNELL, David LAX, Liling REN, Nicholas VISSER
  • Publication number: 20050079353
    Abstract: A filler for plastics or elastomeric materials comprising a powder having a ferromagnetic material content greater than 20% by weight and a silica content greater than 20% by weight, the powder being coated with an electro-conductive metallic material. The filler is designed to provide shielding for electromagnetic radiation.
    Type: Application
    Filed: May 11, 2004
    Publication date: April 14, 2005
    Inventors: Thomas Harper, Kenneth Patton, David Lax, Colin Metcalfe