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박병건(Byoung-Gun Park),김태성(Tae-Sung Kim),류지수(Ji-Su Ryu),이병국(Byoung-Guk Lee),현동석(Dong-Seok Hyun) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
In this paper, the fault tolerant system for BLDC motor has been proposed to maintain control performance under open phase fault of inverter. Fault detection and diagnosis method is proposed to two different types which are the method by differences between reference and actual current, and using additional voltage sensor across lower switch of inverter leg. The reconfiguration consists of four switch topology connecting faulty leg to DC-link middle point by bidirectional switch. The proposed fault tolerant system quickly recover general performance by short detecting time and reconfiguration of system topology. The feasibility of proposed system is improved by simulation.