基于威布尔分布及海因里希法则的动车组车门系统维修周期优化研究
李建新1,2牛刚1
Maintenance Cycle Optimization of EMU Vehicle Door System Based on Weibull Distribution and Heinrich′s Law
LI JianxinNIU Gang
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作者信息:1.1.同济大学铁道与城市轨道交通研究院，201804，上海；
2.2.中车青岛四方机车车辆股份有限公司，266111，青岛∥第一作者，工程师
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Affiliation:Institute of Rail Transit, Tongji University, 201804, Shanghai, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2023.01.034
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中图分类号/CLCN:U279.1;U266.2；U270.38+6
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栏目/Col:研究报告
摘要:
根据动车组客室车门系统故障数据对车门进行寿命分析，获得了其故障间隔符合威布尔分布的结论。在车门系统可靠性满足运营要求的条件下，建立以单位时间维修费用最低为目标的维修模型。结合所提维修模型，对中国铁路上海局集团有限公司的CRH2A型动车组客室车门系统维修周期进行优化，并验证了优化后维修模型的实用性和经济性。
Abstracts:
The vehicle door lifespan is analyzed according to EMU (electric multiple units) compartment door system fault data, a conclusion that the fault interval conforms to Weibull distribution is obtained. Under the condition that vehicle door system reliability meets operation requirements, a maintenance model aiming at the lowest maintenance cost per unit time is established. With the mentioned maintenance model, maintenance cycle of China Railway Shanghai Bureau Group CRH2A EMU compartment door system is optimized. The practicability and economy of the optimized maintenance model is verified.
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