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Steering control apparatus

  • US 9,988,076 B2
  • Filed: 03/09/2017
  • Issued: 06/05/2018
  • Est. Priority Date: 03/15/2016
  • Status: Active Grant
First Claim
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1. A steering control apparatus that outputs an operation signal to a steering system, the steering control apparatus comprising:

  • a control apparatus including a processor and a memory, the memory storing instructions that, when executed by the processor, cause the processor to function as a reaction force processing unit that outputs the operation signal to the steering system to control a reaction force acting against an operation of a steering wheel performed on the steering wheel, whereinthe steering system includes;

    a reaction force actuator that applies a reaction force and a steering operation actuator that applies a force for steering the steered wheels at least while power is not transmitted between steered wheels and the steering wheel, andthe reaction force processing unit has;

    a steering angle control processing unit that operates the reaction force actuator so as to adjust a detection value of a steering angle to a target steering angle that is a target value for the steering angle based on feedback control;

    an ideal-component calculation unit that calculates an ideal component in which road surface information transmitted from a road surface to steered wheels is not incorporated;

    a road surface component calculation unit that calculates a road surface component in which the road surface information is incorporated;

    an allocated component calculation unit that calculates an allocated component in which the ideal component and the road surface component are allocated in a ratio, wherein the allocated component calculation unit varies the ratio in which the ideal component and the road surface component are allocated according to a state of a vehicle; and

    a target steering angle calculation processing unit that sets the target steering angle based on the allocated component.

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