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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

第13卷    第1期    总第70期    2016年1月

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文章编号:1672-7029(2016)01-0146-06
基于效费比的地铁车辆设备预防性维护决策优化
刘志龙1,王红1,杜维鑫1,蒋祖华2

(1.兰州交通大学机电工程学院,甘肃兰州 730070;
2.上海交通大学机械与动力工程学院,上海 200240
)

摘 要: 针对地铁车辆设备因维护计划不合理导致提前更换而造成资源浪费的问题,在综合考虑设备故障维修资源不充分的动态维护因素和维护的经济性和方便性要求的基础上,提出一种基于故障率的效费比分析方法,决策设备的最佳预防性更换时机。以地铁车辆某设备为例,以设备一个更换周期内的维护成本率最小作为目标函数建立维护模型和决策设备的维护计划,并通过一种故障维修惩罚机制来减小维修资源不充分导致故障维修延时对车辆正常运行的影响。算例结果表明:该维护策略能实现设备使用价值的最大化利用,得到经济有效的预防性维护方案,可为优化车辆设备维护计划提供有力的决策支持。

 

关键字: 地铁车辆;预防性维护;效费比;优化

Preventive maintenance decision optimization for metrovehicle equipment based on cost-effectiveness
LIU Zhilong1, WANG Hong1, DU Weixin1, JIANG Zuhua2

1. School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;
(2. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China

Abstract:Unreasonable maintenance plan can limit the service life of metro vehicle equipment, which is a kind of waste of resources. By considering the dynamic maintenance factor of the inadequate maintenance resource, low-maintenance cost and maintenance convenience comprehensively, a new analysis method of cost-effectiveness was proposed based on the failure rate to determin equipment optimal replacement time. The optimal maintenance schedule could be achieved by minimizing maintenance cost rate in a replacement cycle in the model. A breakdown maintenance punishment mechanism was introduced to decrease the impact from unexpected faults repair timeout because of inadequate maintenance resource. The example results show that the maintenance policy can improve use efficiency and get a proper preventive maintenance schedule; also it can provide powerful decision support for optimization of vehicle equipment maintenance plan.

 

Key words: metro vehicle; preventive maintenance; cost-effectiveness; optimization

ISSN 1672-7029
CN 43-1423/U

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