纯电动汽车集成控制器低压采样干扰问题改善  

Improvement Of Low-voltage Sampling Interference Problem Of Electric Vehicle Integrated Controller

作　　者：陈鹏 李海波 吕鉴武 赵建华 罗凡 CHEN Peng;LI Hai-bo;EV Jian-wu;ZHAO Jian-hua;LUO Fan(Dongfeng Motor Corporation R&D Center,Wuhan 430058,China)

机构地区：[1]东风汽车集团有限公司技术中心智能软件中心,武汉430058 [2]东风汽车集团有限公司技术中心,武汉430058

出　　处：《汽车科技》2021年第4期38-42,共5页Auto Sci-Tech

摘　　要：为改善搭载集成式电驱动系统的某纯电动汽车开发过程中出现的动力丢失问题,通过故障FTA分析、实车静态和动态的验证,发现高转速工况下整车EMC对集成控制器的低压采样存在干扰。通过对集成控制器的硬件和控制策略进行优化分析,并进行了台架测试、板级测试和整车试验验证,得出了软硬件协调优化能有效抗干扰的结论。降低了今后新项目的开发风险,节省了新项目的开发周期和开发费用。In order to improve the problem of power loss during the development of a electric vehicle equipped with an integrated electric drive system,through fault FTA analysis,static and dynamic verification of the real vehicle,It was found that the EMC of the whole vehicle interferes with the low voltage sampling of the integrated controller under high speed conditions.Through the optimization analysis of the hardware and control strategy of the integrated controller,and carried out bench test,board level test and vehicle test verification,the conclusion that the coordinated optimization of software and hardware can effectively resist interference is obtained.It reduces the development risk of new projects in the future,saves the development cycle and development costs.

关 键 词：纯电动汽车 集成式电驱动系统 低压采样 抗干扰 

分 类 号：U469.722[机械工程—车辆工程]