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IVN 시스템을 위한 IEEE 1451 기반 중복 모듈
김현희(Hyunhee Kim),김용옥(Yongok Kim),이호기(Hoki Lee),이경창(Kyungchang Lee),이석(Suk Lee) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
Drive-by-wire systems consist of bus systems, microprocessors, electrical actuators, and sensors. Replacing rigid mechanical components with dynamically configurable electronic elements triggers an almost organic, systemwide level of integration. That is, for their design safety, integration methods including reliability and fault-tolerance are required. In general, the fault-tolerance function is realized by redundancy of the communication module. In this paper, we introduced the concept and design methodology of an IEEE 1451 based dual redundant module as one method for realization of the redundancy in CAN network.
가솔린엔진 대상 성능시험시의 노킹보정률을 사용한 엔진 수정토크의 편차개선
조윤호(Yoonho Cho),김용옥(Yongok Kim),이춘우(Chunwoo Lee),김우태(Wootai Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recent trends of development in small size gasoline engines are both to have higher compression ratio for the purpose of improved fuel consumption and to advance spark timing up to DBL in a low to mid engine speed region for a good acceleration performance of vehicles. However, there occurs the deviation of corrected engine torque results during engine performance test on dynamometer because test conditions influence the onset of knock. Therefore, this research shows the test deviation of corrected engine torque decreases when knock correction rate is used.