摘要
电动汽车与传统车在整车结构、用户使用工况等方面存在差异性,为提高续航能力进而对轻量化要求更高,电动汽车电子设备功能验证与安全验证成为了整车可靠性试验的更加重要组成部分。本文集中研究电动汽车整车系统可靠性精准试验方法研究,以电动车用户数据为基础建立用户工况识别技术、用户可靠性目标分解技术、用户载荷加速技术,分析电动车用户使用特点、电机电池的使用工况和载荷特性等,基于整车可靠耐久疲劳损伤理论及用户关联技术,制定代表95%中国用户的精准电动车可靠性试验验证方法,保证电动车产品投产前暴露产品设计缺陷,验证电动车可靠性开发目标达成情况,同时为设计和CAE模拟计算提供精准数据。
The difference between electric vehicle and traditional vehicle in terms of vehicle structure and user working conditions is of great importance to improve the endurance and lightweight requirements.The functional verification and safety verification of electronic equipment of electric vehicles have become a more important part of vehicle reliability test.This paper focuses on the research of reliability precision test method for electric vehicle system,establishes user condition identification technologies,user reliability target decomposition technologies as well as user load acceleration technologies based on the data of electric vehicle users,analyzes the use characteristics of electric vehicle users,the use conditions and load characteristics of motor battery,etc.,based on the theory of reliable durable fatigue damage of the whole vehicle and user association technologies,develop the precision electric vehicle reliability test verification method representing 95%of Chinese users,ensure that the electric vehicle product exposes product design defects before putting into production,verify the achievement of reliability development goals of electric vehicle,and provide accurate data for design and CAE simulation.
作者
董立甲
张元勤
王世英
刘占国
Dong Lijia;Zhang Yuanqin;Wang Shiying;Liu Zhanguo(State Key Laboratory of Comprehensive Technology on Automobile Vibration and Noise&Safety Control,Intelligent and Connected Vehicle Development Institute,China FAW Corporation Limited,Changchun 130013)
出处
《汽车文摘》
2020年第8期6-10,共5页
Automotive Digest
关键词
用户调查
载荷谱
疲劳损伤
电机
电动汽车
User survey
Load spectrum
Fatigue damage
Electric motor
Electric Vehicle
