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좌우독립형 Steer-by-Wire시스템을 이용한 능동조향 제어알고리즘 개발
김현수(Hyunsoo Kim),김창준(Changjun Kim),김기헌(Kiheon Kim),한창수(Changsoo Han) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper is about steering system of Steer-by-Wire(SBW). The SBW system consists of two parts. One is Steering wheel system and the other is front wheel system. There is no mechanical system between the steering wheel system and front wheel system. Steering wheel system applies the appropriate steering feel to the driver. Therefore it can be tuned easier than conventional system. Front wheel system is Tie-rod actuating type which has two independent actuating. We need the algorithm that operates the front wheel system and improves the stability and the maneuverability. The algorithm in this paper is based on Ackerman constraint. The algorithm is simulated by CarSim which has 27 DOF.
좌우독립형 SBW 시스템 적용을 위한 차량 안정성 & 조종성 향상에 관한 연구
신현수(Hyunsoo Shin),김창준(Changjun Kim),김기헌(Kiheon Kim),한창수(Changsoo Han) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
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 the front wheel system, in which two independently actuating motors control the front wheels. The steering wheel and front wheel motors are modeled, 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 maneuverability.