According to the present invention, a steering system has a motor generating a steering force of a steering wheel, and comprises: a detection unit detecting steering information of the steering wheel; a rack force estimation unit estimating a rack force applied to a rack bar connected to the steering wheel based on the detected steering information; a target steering torque setting unit setting target steering torque based on the estimated rack force; a feedback control unit calculating target motor torque based on the set target steering torque and the detected steering information; and a motor control unit controlling operation of the motor based on the target motor torque.

    본 발명의 조향 장치는 스티어링 휠의 조향력을 발생시키는 모터를 포함하는 조향 장치에 있어서, 스티어링 휠의 조향 정보를 검출하는 검출부; 검출된 조향 정보에 기초하여 스티어링 휠에 연결된 랙바에 작용하는 랙포스를 추정하는 랙포스 추정부; 추정된 랙포스에 기초하여 목표 조향 토크를 설정하는 목표 조향 토크 설정부; 설정된 목표 조향 토크와 검출된 조향 정보에 기초하여 목표 모터 토크를 산출하는 피드백 제어부; 및 목표 모터 토크에 기초하여 모터의 동작을 제어하는 모터 제어부를 포함한다.


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    Title :

    Steering system Vehicle having the same


    Additional title:

    조향 장치 및 그를 가지는 차량


    Contributors:
    HAN MINWOO (author) / KIM CHUL HEE (author) / HEO JIN HYUCK (author) / LEE JONG HO (author) / LEE DEUKPYO (author) / NOH YOONKAB (author) / KYUNG SOO KIM (author) / DONGWOOK LEE (author)

    Publication date :

    2019-04-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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