This paper presents a control algorithm for a steer-by-wire (SBW) system. In an SBW system in a passenger car, the usual mechanical linkage between the steering wheel and the front wheels is replaced with an electrical connection. An SBW system consists of two parts: the steering-wheel system and the front-wheel system. This research considers the tie-rod-actuating type of front-wheel system, in which two independently actuating motors control the front wheels. The steering-wheel and front-wheel motors are modelled, using the bond graph method for both, but controlled by different means. The steering-wheel system control algorithm used a torque map to generate reactive torque and damping. In the development of the tie-rod-actuating-type SBW system described herein, the Ackerman constraint was used for control of the two motors to improve stability and manoeuvrability. The validity of the system was verified with a full-car model.


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    Title :

    Development of a control algorithm for a tie-rod-actuating steer-by-wire system


    Contributors:
    Kim, C-J (author) / Jang, J-H (author) / Yu, S-N (author) / Lee, S-H (author) / Han, C-S (author) / Hedrick, J K (author)


    Publication date :

    2008-09-01


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English