数控机床边界强度过程的非等周期不完全预防维修

上海交通大学学报（自然版） ›› 2013, Vol. 47 ›› Issue (11): 1661-1665.

数控机床边界强度过程的非等周期不完全预防维修

王智明1，杨建国2

(1. 淮海工学院机械工程学院，江苏连云港 222005; 2. 上海交通大学机械与动力工程学院，上海 200240)

收稿日期:2012-12-06 出版日期:2013-11-28 发布日期:2013-11-28
基金资助:
国家自然科学基金资助项目(51275305)

Aperiodic Imperfect Preventive Maintenance Method of Bounded Intensity Process for Numerical Control Machine Tools

WANG Zhiming1,YANG Jianguo2

(1. School of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang 222005, Jiangsu, China; 2. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

Received:2012-12-06 Online:2013-11-28 Published:2013-11-28

摘要/Abstract

摘要：

基于边界强度过程理论，提出了数控机床在可靠度限制下任意维修质量的非等周期不完全预防维修方法，建立了综合考虑维修对役龄的影响和故障强度随时间增加的混合模型，并且假设修复质量和故障强度增加值均为服从均匀分布的随机变量，以平均维修费用为目标函数，用迭代方法给出了非等周期预防维修周期和最佳的维修次数，并结合工程实例讨论了费用参数对平均维修费用的影响.

关键词: 预防维修, 可靠性, 边界强度过程, 任意维修质量, 虚龄

Abstract:

Based on bounded intensity process, an aperiodic imperfect preventive maintenance policy for numerical control machine tools with random maintenance quality under reliability limit was proposed. A hybrid model, which considers the effect of maintenance to virtual age and the fact that failure intensity increases as operational time increases, was presented. The treating average cost as an objective function, maintenance intervals and the number of optimum maintenance were given iteratively when increasing value of failure intensity and maintenance quality were both random variables with uniform distribution. Finally, a discussion for a real numerical example was presented to show the dependence of optimal results on different cost parameters.

Key words: preventive maintenance, reliability, bounded intensity process, random maintenance quality; , virtual age

中图分类号:

TG659
TB114

王智明1，杨建国2. 数控机床边界强度过程的非等周期不完全预防维修[J]. 上海交通大学学报（自然版）, 2013, 47(11): 1661-1665.

WANG Zhiming1,YANG Jianguo2. Aperiodic Imperfect Preventive Maintenance Method of Bounded Intensity Process for Numerical Control Machine Tools[J]. Journal of Shanghai Jiaotong University, 2013, 47(11): 1661-1665.

参考文献

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