Reliability distribution method for heavy-duty machine tool based on trapezoidal fuzzy numbers and sorting method

The invention discloses a reliability distribution method for a heavy-duty machine tool based on trapezoidal fuzzy numbers and a sorting method, and belongs to the field of machine tool reliability design. Particularly, by taking the reliability distribution problem of the heavy-duty machine tool as...

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Bibliographic Details
Main Authors LIU ZHIFENG, SUN DONGYANG, ZHAO YONGSHENG, WANG HAO, YANG CONGBIN, CHENG QIANG
Format Patent
LanguageChinese
English
Published 30.11.2018
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention discloses a reliability distribution method for a heavy-duty machine tool based on trapezoidal fuzzy numbers and a sorting method, and belongs to the field of machine tool reliability design. Particularly, by taking the reliability distribution problem of the heavy-duty machine tool as a multi-attribute decision making problem, a related method for the multi-attribute decision makingproblem is utilized for achieving the reliability distribution of the machine tool. The intuitionistic trapezoidal fuzzy numbers are utilized for expressing decision making information of all experts, then decision making matrices of all the experts are fused to obtain a comprehensive decision making matrix model, finally, the approximating ideal solution sorting method is utilized for obtaininga reliability distribution coefficient of each subsystem, and the reliability distribution of the heavy-duty machine tool is completed. The reliability of the domestic heavy-duty numerical control machine tool is improved. 本发明
Bibliography:Application Number: CN201810665649