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저속 전기 자동차용 Steer-By-Wire 시스템 개발
박기두(Kidoo Park),김만호(Manho Kim),이경창(Kyungchang Lee),이석(Suk LEE) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
X-By-wire system is representative of new developed Idea in chassis of automotive vehicle. It is necessary for X-By-wire system to guarantee safety to vehicles in order to be applied. Safety in a system is achieved if a state transition to a failure state does not happen and the system operate within designed behavior after occurring fault In order to accomplish this safety, a system must be fault tolerant. Generally, if a system is fault tolerant, the system has redundant modules. In this paper, Steer-By-Wire system which is most representative system of X-By-Wire will be analyzed about fault cases and fault tree will be presented. On the basis of these results, probability of failure will be calculated at redundancy. In addition to, redundant algorithm will be showed and the system performance will be evaluated to prevent occurring transition to failure state.