一种包含非理想维修的延迟时间模型

胡海军 1; 程光旭 1; 段权 1; 武玮 1; 胥聪敏 2

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一种包含非理想维修的延迟时间模型

更新时间：2025-05-08

- 一种包含非理想维修的延迟时间模型
- Delay Time Model Based on Imperfect Maintenance
- 西安交通大学学报 2009年43卷第6期页码：103-107
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2008-11-26. 作者简介: 胡海军(1978-),男,博士生;程光旭(联系人),男,教授,博士生导师. 基金项目: 国家自然科学基金资助项目(20676109)
- DOI：
  中图分类号： TB114.3
- 网络首发：2009-06-10，
  
  纸质出版：2009
- 稿件说明：
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胡海军 1, 程光旭 1, 段权 1, 等. 一种包含非理想维修的延迟时间模型[J]. 西安交通大学学报, 2009,43(6):103-107.

Delay Time Model Based on Imperfect Maintenance[J]. 2009, 43(6): 103-107.
胡海军 1, 程光旭 1, 段权 1, 等. 一种包含非理想维修的延迟时间模型[J]. 西安交通大学学报, 2009,43(6):103-107. DOI：

Delay Time Model Based on Imperfect Maintenance[J]. 2009, 43(6): 103-107. DOI：

摘要

针对延迟时间模型没有考虑维修效果对故障过程的影响的问题

根据比例役龄消减模型的假设

提出一种包含非理想维修的延迟时间模型.首先假设检测维修的效果是非理想的

而故障维修是理想的

非理想维修效果会影响下一个维修过程中的缺陷及故障的瞬时发生率.基于该假设

提出无限使用期限下平均单位时间费用模型

并利用数值模拟方法获得单位时间费用的特性.研究结果表明:非理想维修效果会增大无限使用期限下平均单位时间费用; 当检测维修效果接近理想维修时

存在一个最优检测周期使得平均费用最小

当提高因子减小时

该最优周期不存在.

Abstract

The influence of imperfect maintenance on failure process has not been considered in the delay time model(DTM). Introducing the concept of proportional age reduction model

an improved DTM is proposed. It is assumed that the inspection maintenance is imperfect while the failure maintenance is perfect. Imperfect maintenance affects the instantaneous rates of defect and failure. The long-run average cost per unit time is derived from the assumptions. The numerical examples show that the imperfect maintenance heightens the long-run average cost per unit time

and an optimal inspection interval of cost minimization exists if the inspection maintenance is near to perfect maintenance

while the optimal interval disappears if the improvement factor decreases enough.

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references

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WANG W. A two-stage prognosis model in condition based maintenance[J]. European Journal of Operational Research, 2007, 182(3):1177-1187.

AVEN T, CASTRO I T. A delay-time model with safety constraint[J]. Reliability Engineering and System Safety, 2008, 94(2):261-267.

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