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소프트웨어 복잡도 감소를 위한 노드 기반 FlexRay 스케줄링 기법 개발
김만호(Manho Kim),송영훈(Younghun Song),이석(Suk Lee),이경창(Kyungchang Lee),하경남(Kyongnam Ha) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
As vehicles become intelligent for convenience and safety of drivers, in-vehicle networking (IVN) systems are essential components of intelligent vehicles. Recently, the chassis networking system which require increased network capacity and real-time capability is being developed to expand the application area of IVN systems. Also, FlexRay has been developed for the chassis networking system. However, FlexRay needs a complex scheduling method of static segment, which is a barrier for implementing the chassis networking system. Especially, if we want to migrate from CAN network to FlexRay network using CAN message database that was well constructed for the chassis networking system by automotive vendors, a novel scheduling method is necessary to be able to reduce design complexity. This paper presents a node-based scheduling method for the static segment, to reduce the software complexity in FlexRay network systems. To demonstrate the feasibility of the technique, its performance is evaluated in terms of various software complexity index.