Patents by Inventor Lodewijk Wijffels

Lodewijk Wijffels 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).

  • Publication number: 20100280716
    Abstract: A method for operating an active steering system of a vehicle, in which a ratio between a wheel steer angle and a steering wheel angle specified by the driver can be modified by superimposition of a superimposition angle. The method comprises detecting an offset between a requested motor angle and an actual motor angle, and reducing the offset between the requested motor angle and the actual motor angle using a reduction rate that is selected as a function of at least one input variable specified by the driver.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 4, 2010
    Inventors: Jitendra Shah, Oliver Nehls, Lodewijk Wijffels, Sergio Codonesu
  • Publication number: 20100211269
    Abstract: A motion control device of a vehicle comprises: a steering angle controller which controls a steering angle of a steering wheel so that an actual turning control variable becomes a target turning control variable; and a braking force controller which controls a vehicle braking force so that the actual turning control variable becomes the target turning control variable. The braking force controller selectively uses, as a steering angle signal for control, a first steering angle signal which reflects a steering angle compensation quantity compensated by the steering angle controller at the time of the oversteering of the vehicle is reflected, and a second steering angle signal which does not reflect the steering angle compensation quantity.
    Type: Application
    Filed: February 15, 2010
    Publication date: August 19, 2010
    Applicant: ADVICS CO., LTD.
    Inventors: Toshio Yasutake, Fuminori Kato, Jouji Nishioka, Lodewijk Wijffels, Oliver Nehls
  • Publication number: 20100211271
    Abstract: A motion control device of a vehicle comprises: a steering angle controller which controls a steering angle of a steered wheel so that an actual turning controlling variable becomes a target turning controlling variable; and a braking force controller which controls a vehicle braking force so that the actual turning controlling variable becomes the target turning controlling variable. The control of the steering angle controller is stopped by detecting a timing with which the braking force controller detects an oversteering state of the vehicle to start a braking force control.
    Type: Application
    Filed: February 15, 2010
    Publication date: August 19, 2010
    Applicant: ADVICS CO., LTD.
    Inventors: Toshio Yasutake, Fuminori Kato, Jouji Nishioka, Tomohiko Adachi, Lodewijk Wijffels, Oliver Nehls
  • Publication number: 20090082925
    Abstract: The invention relates to a method and an apparatus for electrically controlled assistance to a vehicle In order to stabilize a vehicle in the event of oversteering, the invention provides that a nominal yaw damping torque is determined and is multiplied by an oversteer signal such that an additional torque is produced which is added, via an actuator in an electrically assisted power steering system, to its nominal torque, and is introduced into a vehicle steering system.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 26, 2009
    Inventors: Lodewijk Wijffels, Anja Damman, Oliver Nehls, Sergio Codonesu
  • Publication number: 20090082924
    Abstract: A method for resetting a steering wheel of a motor vehicle having electric power assisted steering, with a resetting torque being determined in order to move the steering wheel from a diffracted steering position to a neutral position. The resetting torque differs for low and high friction values wherein a signal produced in response to a determined yaw rate is introduced into the determination of the resetting torque. The contribution of the yaw-rate based resetting torque to the total resetting torque increases as the vehicle speed increases.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 26, 2009
    Inventors: Lodewijk Wijffels, Oliver Nehls, Anja Damman, Sergio Codonesu