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Steering-wheel control

  • US 9,731,761 B1
  • Filed: 06/07/2016
  • Issued: 08/15/2017
  • Est. Priority Date: 06/07/2016
  • Status: Active Grant
First Claim
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1. A controller comprising a processor and a memory in a vehicle including a steering wheel, a steering-wheel actuator coupled to the steering wheel, and a road wheel, the controller programmed to:

  • determine a steering-wheel angle based on a road-wheel angle of the road wheel from a sensor of the vehicle, an operation mode of the vehicle stored in the memory, and a steering-compensation type of the vehicle stored in the memory, wherein the operation mode includes a nonautonomous mode having a default steering ratio and at least one autonomous mode;

    instruct the steering-wheel actuator to rotate the steering wheel according to the steering-wheel angle,determine that the operation mode is the nonautonomous mode; and

    upon determining that the operation mode is the nonautonomous mode, instruct the steering-wheel actuator to rotate the steering wheel to a default steering-wheel angle that is the default steering ratio multiplied by the road-wheel angle.

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