Patents by Inventor Demba DIALLO

Demba DIALLO 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).

  • Method and device for diagnosing phase current sensor defects in control system of synchronous rotary electric machine of motor vehicle
    Patent number: 10718845
    Abstract: The method according to the invention enables the diagnosis (15, 16) of phase current sensor defects in a system for controlling a synchronous rotary electrical machine of a motor vehicle. According to the invention, the method takes into account the differences (îd, lq) between measurements provided (14) by the sensors, and nominal values of the phase currents (ia, ib, ic) in order to diagnose defects. The differences are calculated (18) in a rotating Park reference frame (17) and are separate from an electromechanical model of the machine. The method detects sensor defects if the differences are substantially non-zero (19) and an offset sensor defect if a residual pulsation (? res) of the differences is substantially equal to a measured speed (w) of the control system.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: July 21, 2020
    Assignee: Valeo Equipments Electriques Moteur
    Inventors: Sidath Diao, Zaatar Makni, Demba Diallo
  • METHOD AND DEVICE FOR DIAGNOSING PHASE CURRENT SENSOR DEFECTS IN A SYSTEM FOR CONTROLLING A SYNCHRONOUS ROTARY ELECTRIC MACHINE OF A MOTOR VEHICLE
    Publication number: 20170254872
    Abstract: The method according to the invention enables the diagnosis (15, 16) of phase current sensor defects in a system for controlling a synchronous rotary electrical machine of a motor vehicle. According to the invention, the method takes into account the differences (îd, lq) between measurements provided (14) by the sensors, and nominal values of the phase currents (ia, ib, ic) in order to diagnose defects. The differences are calculated (18) in a rotating Park reference frame (17) and are separate from an electromechanical model of the machine. The method detects sensor defects if the differences are substantially non-zero (19) and an offset sensor defect if a residual pulsation (? res) of the differences is substantially equal to a measured speed (w) of the control system.
    Type: Application
    Filed: September 10, 2015
    Publication date: September 7, 2017
    Inventors: Sidath DIAO, Zaatar MAKNI, Demba DIALLO