A steering controller for controlling an electric power steering includes a load estimator estimating a road surface load, a pre-correction target determiner determining a pre-correction target steer torque based on the estimated road surface load, a steer angle detector detecting a steer angle, and a target corrector correcting the pre-correction target steer torque based on the steer angle, and the controller determines an assist torque instruction value based on the deviation between the target steer torque and a steer torque, thereby establishing a robust steering feel of an electric power steering system irrespective of the change of the mechanical friction of the power steering system.


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    Title :

    ELECTRIC POWER STEERING CONTROLLER


    Contributors:

    Publication date :

    2017-04-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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