Patents by Inventor Roger A. Madsen

Roger A. Madsen 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).

  • System and method for controlling the amount of torque provided to wheels of a vehicle to improve drivability
    Patent number: 9057333
    Abstract: A system according to the principles of the present disclosure includes an axle torque determination module, an engine torque determination module, and an engine torque control module. The axle torque determination module determines an axle torque request based on a driver input and a vehicle speed. The engine torque determination module determines an engine torque request based on the axle torque request and at least one of a turbine speed and whether a clutch of a torque converter is applied. The engine torque control module controls an amount of torque produced by an engine based on the engine torque request.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: June 16, 2015
    Inventors: Michael Livshiz, Roger A. Madsen, Richard B. Jess, Michael J. Pitsch, Michael L. Waterman, Ryan Z. Goode
  • SYSTEM AND METHOD FOR CONTROLLING THE AMOUNT OF TORQUE PROVIDED TO WHEELS OF A VEHICLE TO IMPROVE DRIVABILITY
    Publication number: 20150039190
    Abstract: A system according to the principles of the present disclosure includes an axle torque determination module, an engine torque determination module, and an engine torque control module. The axle torque determination module determines an axle torque request based on a driver input and a vehicle speed. The engine torque determination module determines an engine torque request based on the axle torque request and at least one of a turbine speed and whether a clutch of a torque converter is applied. The engine torque control module controls an amount of torque produced by an engine based on the engine torque request.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 5, 2015
    Applicant: GM Global Technology Operations LLC
    Inventors: MICHAEL LIVSHIZ, Roger A. Madsen, Richard B. Jess, Michael J. Pitsch, Michael L. Waterman, Ryan Z. Goode