×

ANTI-JACKKNIFE CONTROL FOR VEHICLE-TRAILER BACKING UP USING REAR-WHEEL STEER CONTROL

  • US 20050039972A1
  • Filed: 08/21/2003
  • Published: 02/24/2005
  • Est. Priority Date: 08/21/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method for selectively providing rear-wheel steering for a vehicle backing-up a trailer, said method comprising:

  • determining a steering angle of the vehicle;

    determining a speed of the vehicle;

    determining a measured hitch angle between the vehicle and the trailer;

    calculating an equilibrium hitch angle between the vehicle and the trailer that is a steady-state hitch angle position;

    calculating a pseudo-equilibrium hitch angle between the vehicle and the trailer that is a steady-state hitch angle position at a maximum rear-wheel steering input;

    determining whether a predetermined relationship exists between the measured hitch angle, the equilibrium hitch angle and the pseudo-equilibrium hitch angle; and

    providing the rear-wheel steering of the vehicle if the predetermined relationship does exist.

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