Patents by Inventor Soo Hwan SONG

Soo Hwan SONG 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).

  • Detection device and detection method for detecting number of revolutions of sensorless EPB motor
    Patent number: 10797625
    Abstract: A device and method for detecting the number of revolutions of a sensorless electric park brake (EPB) motor. The device for detecting the number of revolutions of a sensorless motor includes: an actuator driving motor used to set and release a parking brake of an EPB system; an electronic control module for controlling the motor, a vehicle battery for supplying power to the motor and the electronic control module; and a main processing unit for receiving an output signal of the electronic control module and estimating the number of revolutions of the motor, wherein the electronic control module further includes a ripple measuring unit for receiving an output signal of the motor and measuring a ripple of the motor.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: October 6, 2020
    Assignee: ERAE AMS CO., LTD.
    Inventors: Dae Ki Ahn, Seung Soo Noh, Shin Deok Kang, Eung Soo Kim, Soo Hwan Song
  • DETECTION DEVICE AND DETECTION METHOD FOR DETECTING NUMBER OF REVOLUTIONS OF SENSORLESS EPB MOTOR
    Publication number: 20190052202
    Abstract: A device and method for detecting the number of revolutions of a sensorless electric park brake (EPB) motor. The device for detecting the number of revolutions of a sensorless motor includes: an actuator driving motor used to set and release a parking brake of an EPB system; an electronic control module for controlling the motor, a vehicle battery for supplying power to the motor and the electronic control module; and a main processing unit for receiving an output signal of the electronic control module and estimating the number of revolutions of the motor, wherein the electronic control module further includes a ripple measuring unit for receiving an output signal of the motor and measuring a ripple of the motor.
    Type: Application
    Filed: February 15, 2017
    Publication date: February 14, 2019
    Inventors: Dae Ki AHN, Seung Soo NOH, Shin Deok KANG, Eung Soo KIM, Soo Hwan SONG