Reliability Analysis and Maintenance Engineering of Anti-rear Device Based on Fuzzy FMECA

Proceedings of the 2019 International Conference on Management Science and Industrial Engineering - MSIE 2019 Pub Date : 2019-05-24 DOI:10.1145/3335550.3335553

Jingying Liu, Yang Hu

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Abstract

In this paper, in order to improve the comprehensive reliability of the ship and improve its maintenance engineering, the domestic anti-rear device of a marine ship in China is taken as the research.The system structure and working principle of the anti-rear device of the naval gun are analyzed. Compared with the previous FMECA method, which is difficult to obtain quantitative results after partial fuzzy description, a fuzzy comprehensive evaluation method is used to improve the FMECA method to form a fuzzy FMECA method in this paper. The selection principle of reliability key parts and the quantitative risk analysis of process failure mode are given. The functional FMECA table is obtained through fault mode data analysis. The results show that the highest damage in the manufacture of the control rod is the roughness in the grinding process.It also shows that the fuzzy FMECA is effective and has a positive effect on improving the reliability of the system. Improvement measures are proposed for this failure mode,at the same time, the maintenance engineering of the anti-rear device of the naval gun is also given.

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基于模糊FMECA的防后装置可靠性分析与维修工程

为了提高船舶的综合可靠性，改进船舶维修工程，本文以国产某型船舶防后装置为研究对象。分析了舰炮防后装置的系统结构和工作原理。针对以往FMECA方法在部分模糊描述后难以获得定量结果的问题，本文采用模糊综合评价法对FMECA方法进行改进，形成模糊FMECA方法。给出了可靠性关键部件的选择原则和过程失效模式的定量风险分析。通过故障模式数据分析得到功能FMECA表。结果表明，在控制杆的制造过程中，磨削过程中的粗糙度是最大的损伤。结果表明，模糊FMECA是有效的，对提高系统的可靠性有积极的作用。针对这种失效模式提出了改进措施，同时给出了舰炮防后装置的维修工程。

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Proceedings of the 2019 International Conference on Management Science and Industrial Engineering - MSIE 2019

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