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纯电动汽车电-液复合制动系统控制算法的多边界条件优化设计 被引量:9

Optimization Design of EV Electro-Hydraulic Composite Braking System Control Algorithm with Multi-boundary Conditions
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摘要 根据纯电动汽车动力系统的特点,提出电-液复合制动系统控制算法的多边界条件优化设计方法。基于对制动强度需求、ECE法规和电机/蓄电池特性等多边界条件的分析,得出制动力分配比例的合理取值范围,以此为基础,提出根据制动强度需求和不同附着系数路面的使用频率等因素确定前后轴制动力分配系数的方法。仿真分析验证了制动力分配算法的有效性和合理性。 According to the characteristics of pure EV power system,an optimization design method of brake force control algorithm of electro-hydraulic composite brake system with multi-boundary conditions was proposed.And based on the analysis of boundary conditions,including the braking strength requirements,ECE regulations,and motor/battery characteristics etc,a reasonable range of brake force distribution ratio was achieved.And braking force distribution approach between the front and rear axles was brought out by considering such factors as the braking strength of demand and using frequency of the various adhesion coefficient roads.And the simulation analysis verifies the rationality and effectiveness of the brake force distribution algorithm.
出处 《中国机械工程》 EI CAS CSCD 北大核心 2012年第21期2634-2640,共7页 China Mechanical Engineering
基金 国家自然科学基金资助项目(51005113)
关键词 纯电动汽车 电-液复合制动系统 控制算法 多边界条件优化设计 pure electric vehicle(EV) electro-hydraulic braking system control algorithm multi-boundary condition optimization method
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