Patents by Inventor Sami Zaim

Sami Zaim 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).

  • Control of a permanent-magnet electric machine
    Patent number: 9184682
    Abstract: A method of controlling a permanent magnet synchronous machine including a stator and a rotor. The method includes determining an estimated position of the rotor, and determining a second in-phase voltage setpoint that, in alternation, is equal either to a first in-phase voltage setpoint or else to the first in-phase voltage setpoint plus a predetermined periodic signal. The determining an estimated position of the rotor includes determining a coupling term, determining a speed of rotation of the rotor as a function of the coupling term, and determining the estimated position of the rotor by integrating the speed of rotation of the rotor.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: November 10, 2015
    Assignees: LABINAL POWER SYSTEMS, UNIVERSITE DE LORRAINE
    Inventors: Sami Zaim, Farid Meibody-Tabar, Babak Nahid-Mobarakeh, Regis Bernard Albert Meuret
  • CONTROL OF A PERMANENT-MAGNET ELECTRIC MACHINE
    Publication number: 20140333244
    Abstract: A method of controlling a permanent magnet synchronous machine including a stator and a rotor. The method includes determining an estimated position of the rotor, and determining a second in-phase voltage setpoint that, in alternation, is equal either to a first in-phase voltage setpoint or else to the first in-phase voltage setpoint plus a predetermined periodic signal. The determining an estimated position of the rotor includes determining a coupling term, determining a speed of rotation of the rotor as a function of the coupling term, and determining the estimated position of the rotor by integrating the speed of rotation of the rotor.
    Type: Application
    Filed: January 21, 2013
    Publication date: November 13, 2014
    Applicants: HISPANO-SUIZA, UNIVERSITE DE LORRAINE
    Inventors: Sami Zaim, Farid Meibody-Tabar, Babak Nahid-Mobarakeh, Regis Bernard, Albert Meuret