Patents by Inventor Liang-Kuang Chen

Liang-Kuang Chen 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).

  • Patent number: 8179243
    Abstract: A lane departure warning method and system thereof are provided. First a driver model is established, wherein the driver model is established according to a lateral position error of a vehicle being driven and a steering angle generated by a driver for controlling the vehicle. Next, a system identification process is performed on the lateral position error and the steering angle, so as to obtain specific information of the driver model. An estimation process is performed on the specific information and a plurality of raw statistical data, so as to obtain a time to lane crossing (TLC). A decision process is performed on the TLC and a driver drowsiness index, so as to obtain a lane departure warning strategy.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: May 15, 2012
    Assignee: National Taiwan University of Science and Technology
    Inventors: Liang-Kuang Chen, Yi-Jian Lian
  • Publication number: 20100182139
    Abstract: A lane departure warning method and system thereof are provided. First a driver model is established, wherein the driver model is established according to a lateral position error of a vehicle being driven and a steering angle generated by a driver for controlling the vehicle. Next, a system identification process is performed on the lateral position error and the steering angle, so as to obtain specific information of the driver model. An estimation process is performed on the specific information and a plurality of raw statistical data, so as to obtain a time to lane crossing (TLC). A decision process is performed on the TLC and a driver drowsiness index, so as to obtain a lane departure warning strategy.
    Type: Application
    Filed: July 17, 2009
    Publication date: July 22, 2010
    Applicant: National Taiwan University of Science and Technology
    Inventors: Liang-Kuang Chen, Yi-Jian Lian
  • Publication number: 20090033501
    Abstract: An online monitoring method of driver state and a system using the same are provided. First a driver model is established, wherein the driver model generates a steering angle to control transportation means for riding according to the lateral position error of the riding transportation means. Next, a system identification processing is performed on the lateral position error and the steering angle of the riding transportation means to obtain a transfer function of the driver model. After that, an analysis processing is performed on the driver model transfer function to extract specific information therefrom, following by performing an assessment processing on the specific information and multiple statistics of raw data to generate the driver state assessment.
    Type: Application
    Filed: July 24, 2008
    Publication date: February 5, 2009
    Applicant: National Taiwan University of Science and Technology
    Inventors: Liang-Kuang Chen, Meng-Hsuan Peng