Patents by Inventor Michael Duncan Swartz

Michael Duncan Swartz 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).

  • SENSORLESS BACKUP FOR MOTOR SPEED AND POSITION
    Publication number: 20230347744
    Abstract: A method and system are contemplated for determining a final speed and position of a motor used in an electric vehicle. The final speed and position is calculated as a function of a sensed position when a resolver of a position system is available and as a function of a sensorless position when the resolver is unavailable.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 2, 2023
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Michael Duncan Swartz, Young Joo Lee, Brian J. Gallert, Anno Yoo