冲压机床可靠性增长的模糊层次分析预测方法
杨兆军, 王继利, 李国发, 张新戈

Reliability growth prediction based on fuzzy analytical hierarchy process for punching machines
YANG Zhao-jun, WANG Ji-li, LI Guo-fa, ZHANG Xin-ge
图1 整机与子系统故障间隔时间关系示意图
Fig.1 Relationship of working time between failures for machine and subsystems