摘要在空气污染日益严重,人们对代步工具的需求增加的情况下,零排放的电动车受到人们的高度重视。只有经久耐用的,高可靠性的电动车才能继续在市场中得以生存。为提高电动车的可靠性,由失效模式分析和可靠性模型分析,得出电动车零部件及整机可靠度。根据电动车的可靠度,进行科学的分析,设计电动车维修管理流程,综合出一个有关安全性、运行效率和维修费用经济性的维修策略。实现电动车寿命周期费用最优化,减少产品的返修率,为企业寻找更大的利润空间。68327
毕业论文关键词 :可靠性分析 电动车 维修管理
毕业设计说明书(论文)外文摘要
Title Electric Bicycle Reliability Analysis and Maintenance Management System Design
Abstract
With the air pollution is increased seriously and an increasing demand for means of transport ,the zero-emission electric bicycle has been paid more and more attention. Only the electric bicycle ,that is durable and with high reliability ,can survive in the market. To improve the reliability of electric bicycles, failure mode analysis (FMA) and reliability model analysis are used to get the parts and machine’s reliability of the electric bicycle . According to the reliability of electric bicycle, design an electric bicycle maintenance management process, make a a comprehensive on security, economic efficiency and maintenance costs of maintenance strategy .The strategy must be a Life cycle cost optimization , low product failure rates and greater profit margins .
Keywords : Reliability Analysis electric bicycle maintenance management
目次
1 绪论 1
2 电动车可靠性分析 2
2.1 电动车结构分析 2
2.1.1 机械部分结构分析 2
2.1.2 电气部分结构分析 3
2.2 电动车失效模式分析 6
2.2.1 机械部分失效模式分析 6
2.2.2 电气部分失效模式分析 7
2.3 电动车故障树分析(FTA) 10
2.3.1 电机故障树 11
2.3.2 刹车故障树 11
2.3.3 控制器故障树 11
2.3.4电池故障树 11
3 电动车可靠性模型 16
3.1 电动车可靠性框图的建立 16
3.1.1 整车可靠性框图 16
3.1.2 控制器可靠性框图 16
3.1.3 电机可靠性框图 17
3.1.4 电池可靠性框图 18
3.1.5 刹车的可靠性框图 19
3.2 电动车可靠度R(t)计算 19
3.3 电动车可靠性分析结果 21
4 电动车维修管理体系设计 22
4.1 电动车维修管理服务流程 22
4.2 电动车备件管理 22
4.3 电动车维修分类 22
4.3.1 事后维修