Patents by Inventor Myeong S. Choi

Myeong S. Choi 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 system of diagnosing breakdown during pre-charging
    Patent number: 9482713
    Abstract: A method and system of diagnosing a breakdown during pre-charging are provided. The method includes detecting, by a controller, an output voltage of a battery and pre-charging a capacitor of an inverter using energy from the battery. In addition, the controller is configured to measure a voltage applied to the capacitor of the inverter and detect an output current of the battery. A breakdown may then be detected by the controller by collating the detected output voltage, the voltage applied to the capacitor, and the detected output current.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: November 1, 2016
    Assignee: Hyundai Motor Company
    Inventors: Mi Ok Kim, Jong Hu Yoon, Hyun Soo Park, Myeong S. Choi, Beom Gyu Kim
  • METHOD AND SYSTEM OF DIAGNOSING BREAKDOWN DURING PRE-CHARGING
    Publication number: 20150185271
    Abstract: A method and system of diagnosing a breakdown during pre-charging are provided. The method includes detecting, by a controller, an output voltage of a battery and pre-charging a capacitor of an inverter using energy from the battery. In addition, the controller is configured to measure a voltage applied to the capacitor of the inverter and detect an output current of the battery. A breakdown may then be detected by the controller by collating the detected output voltage, the voltage applied to the capacitor, and the detected output current.
    Type: Application
    Filed: September 9, 2014
    Publication date: July 2, 2015
    Inventors: Mi Ok Kim, Jong Hu Yoon, Hyun Soo Park, Myeong S. Choi, Beom Gyu Kim