Patents by Inventor Yi-Jian Lian

Yi-Jian Lian 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).

  • Lane departure warning method and system thereof
    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
  • LANE DEPARTURE WARNING METHOD AND SYSTEM THEREOF
    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