전자밸브 개선품이 출입문 전체에 미치는 신뢰도 지표 특성

초록

In situations other than domestic ？ high density transportation system at hand, buying measures such as interest continuously for safety issues. In this paper, not a single item (LRU, Line replace unit) for door devices, the risk hardwood major parts model, modeling a combination of serial connection, and thus the reliability indicators for output and, when converted to improve the reliability of the a la carte was to talk about the changes in the confidence indicators door unit.