A virtual age model based on a bathtub shaped initial intensity

被引：22

作者：

Dijoux, Yann ^{[1
]}

机构：

[1] Inst Natl Polytech Grenoble, Lab Jean Kuntzmann, F-38041 Grenoble 9, France

来源：

RELIABILITY ENGINEERING & SYSTEM SAFETY | 2009年 / 94卷 / 05期

关键词：

Repairable systems reliability; Imperfect repair; Failure intensity; Maintenance; Bathtub curve; Virtual age; REPAIRABLE SYSTEMS; WEIBULL EXTENSION; FAILURE INTENSITY; IMPERFECT REPAIR; GENERAL REPAIR;

D O I：

10.1016/j.ress.2008.11.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a new reliability model for complex repairable systems, which combines a bathtub shaped ageing and imperfect maintenance. A bathtub shaped initial intensity function allows to take into account the burn-in period, the useful life and wear out of the systems. Repair effect is expressed by a reduction of the system virtual age, which depends on the ageing of the system. The main characteristics of the model are derived. The most important one is that the maintenance efficiency allows an extension of the system useful life duration. A statistical analysis of the model and an application to real failure data are presented. (C) 2008 Elsevier Ltd. All rights reserved,

引用

页码：982 / 989

页数：8

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