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基于换件修的动车组关键设备预防性维修策略
Preventive maintenance strategy of electric multiple unit critical equipment based on replacement repair
- 机车电传动 2022年第5期 页码：23-27
- 作者机构：
1.广东交通职业技术学院 轨道交通学院,广东 广州 510650
2.兰州交通大学 机电工程学院,甘肃 兰州 730070
3.中国铁路成都局集团有限公司 重庆车辆段,重庆 400000
- 作者简介：
熊 律(1990—)，男，讲师，博士研究生，研究方向为轨道交通车辆疲劳可靠性与预防性维修策略； E-mail: xionglv970@163.com
- 基金信息：广东省普通高校青年创新人才项目(2020KQNCX161;2021KQNCX175);广东省科技创新战略专项资金项目(pdjh2022b0859;pdjh2023b0854;pdjh2023b0857;pdjh2023b0860);广东交通职业技术学院科研项目
DOI：10.13890/j.issn.1000-128X.2022.05.004
中图分类号： U266.2;U269纸质出版日期：2022-09-10，
收稿日期：2022-01-19，
修回日期：2022-08-19，
- 稿件说明：
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熊律, 刘志龙. 基于换件修的动车组关键设备预防性维修策略[J]. 机车电传动, 2022,(5):23-27.
XIONG Lü, LIU Zhilong. Preventive maintenance strategy of electric multiple unit critical equipment based on replacement repair[J]. Electric drive for locomotives, 2022,(5):23-27.
熊律, 刘志龙. 基于换件修的动车组关键设备预防性维修策略[J]. 机车电传动, 2022,(5):23-27. DOI： 10.13890/j.issn.1000-128X.2022.05.004.
XIONG Lü, LIU Zhilong. Preventive maintenance strategy of electric multiple unit critical equipment based on replacement repair[J]. Electric drive for locomotives, 2022,(5):23-27. DOI： 10.13890/j.issn.1000-128X.2022.05.004.
摘要
动车组关键设备执行预防性维修操作时需要整列动车组停止运行，从而增加了动车组的停机损失。为此，引入换件修维修理念，在动车组关键设备到达预防性维修时机时，使用另一性能完好的设备将其更换下来并维修，从而克服了因设备预防性维修导致动车组停机损失骤增的不足。文章以动车组关键设备为研究对象，以预防性维修可靠度阈值为决策变量，以动车组关键设备一个更换周期内的维修总成本为决策目标，对其关键设备采取两级非完美维修措施，分别建立基于换件修的动车组关键设备预防性维修模型和基于非换件修的动车组关键设备预防性维修模型。算例分析结果表明，基于换件修的预防性维修可靠度阈值的优化结果高于非换件修，且换件修的维修总成本相比非换件修降低了22.2%。因此，基于换件修的动车组关键设备预防性维修策略可较大幅度降低设备一个寿命周期内的维修总成本，并可以使设备保持更高的可靠度水平。
Abstract
Considering that the entire electric multiple unit (EMU) needs to be withdrawn from service for carrying out preventive maintenance (PM) of the critical equipment
leading to an increase to downtime loss
the concept of replacement repair is proposed in this paper. Specifically
based on the preventive maintenance schedule
the involved critical equipment is replaced with another set of equipment with good performance and then delivered for maintenance
so as to overcome the shortage of sudden increase of service suspension loss caused by preventive maintenance. This paper took the EMU critical equipment as the research object. The preventive maintenance models were built respectively based on replacement repair and non-replacement repair
with the preventive maintenance reliability threshold as the decision making variable
the total maintenance cost of the EMU critical equipment in a replacement cycle as the decision making objective
and applying the 2-level imperfect maintenance measure for the EMU critical equipment. Based on the example analysis
the optimization results of preventive maintenance reliability threshold based on replacement repair are higher than that based on non-replacement repair
and the total maintenance cost of replacement repair is 22.2% lower than that of non-replacement repair. Therefore
the preventive maintenance strategy of the EMU critical equipment based on replacement repair can greatly reduce the total maintenance cost of equipment in a life cycle and can maintain the equipment at a higher reliability level.
关键词
动车组关键设备停机损失换件修维修总成本高速列车
Keywords
electric multiple unit (EMU)critical equipmentdowntime lossreplacement repairtotal maintenance costhigh-speed train
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