×

Threat assessment algorithm for forward collision warning

  • US 6,813,562 B2
  • Filed: 10/15/2002
  • Issued: 11/02/2004
  • Est. Priority Date: 10/15/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of indicating a potential collision between a subject vehicle and at least one detected object, comprising:

  • transmitting a beam from a beam device into a field-of-view;

    receiving reflections of the beam at the beam device from an object in the field-of-view;

    generating track files based on the reflections that include the distance the object is from the vehicle;

    processing an alert condition in a collision processor based on the track files and other system inputs, wherein the other system inputs include the speed of the subject vehicle and one or more of a driver distraction modifier, a system fault modifier and a driver sensitivity modifier, and wherein processing an alert condition includes calculating a predicted acceleration of the subject vehicle based on the current acceleration of the subject vehicle, the current speed of the subject vehicle, the speed of the object and a predicted acceleration the object; and

    alerting a driver of the subject vehicle in the event that a potential collision with the object is determined.

View all claims
  • 12 Assignments
Timeline View
Assignment View
    ×
    ×