Please download the dossier by clicking on the dossier button x
×

Hill start assist method and a controller for hill start assist of a vehicle

  • US 9,470,157 B2
  • Filed: 11/11/2013
  • Issued: 10/18/2016
  • Est. Priority Date: 11/12/2012
  • Status: Active Grant
First Claim
Patent Images

1. A hill start assist method for a vehicle, the method comprising:

  • using an acceleration sensor to sense a degree of a slope resistance when the vehicle is stationary on a slope;

    detecting a hill start intention based on a change of parameters or statuses related to the vehicle occurred during starting of the vehicle on a hill, the change of parameters or statuses including detecting at least one of;

    a release of a brake pedal of the vehicle;

    ora drop in engine speed; and

    after the hill start intention has been detected, using an electronic controller to convert a sensed slope resistance into a target torque of the engine, and controlling the engine to increase an engine torque to the target torque to counteract a momentary rearward rolling of the vehicle without further engaging a brake of the vehicle.

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