考虑电磁兼容特性影响的新能源汽车主电路稳定性分析  

Stability analysis of the main circuit of new energy vehicles considering the influence of electromagnetic compatibility characteristics

作　　者：柏世涛 王鹏[1] 吴智强 欧阳[1] 王毅 BAI Shitao;WANG Peng;WU Zhiqiang;OU Yang;WANG Yi(China Automotive Engineering Research Institute Co.,Ltd.,Chongqing 400021,China)

机构地区：[1]中国汽车工程研究院股份有限公司,重庆400021

出　　处：《自动化与仪器仪表》2025年第1期133-137,共5页Automation & Instrumentation

基　　金：中国汽研指数课题“基于汽车安全的测评技术研究”(课题编号0001KTCP20230380-03)。

摘　　要：新能源汽车主电路的稳定性对汽车的安全稳定行驶十分重要。针对这一问题,提出一种考虑电磁兼容特性影响的新能源汽车主电路稳定性分析方式。通过对新能源汽车的主电路控制结构以及相应的电磁干扰因素进行分析,针对性地提出软件滤波以及电路结构两方面的优化方式,以期保证新能源汽车的电磁兼容特性。电路结构优化主要通过对印刷电路板以及主电路的关键回路进行优化,软件滤波采用一阶滞后滤波的方式进行滤波,提高新能源汽车主电路的抗干扰性能。经过实验验证,考虑电磁兼容特性的新能源汽车主电路优化能够在不同工况下提供更好的抗干扰能力以及稳定性。The stability of the main circuit of new energy vehicles is very important for the safe and stable driving of automobiles.In order to solve this problem,a stability analysis method of the main circuit of new energy vehicles considering the influence of electromagnetic compatibility characteristics was proposed.Through the analysis of the main circuit control structure and the corresponding electromagnetic interference factors of new energy vehicles,the optimization methods of software filtering and circuit structure are proposed,in order to ensure the electromagnetic compatibility characteristics of new energy vehicles.The circuit structure optimization is mainly through the optimization of the key circuits of the printed circuit board and the main circuit,and the software filtering adopts the first-order hysteresis filtering method to improve the anti-interference performance of the main circuit of new energy vehicles.Experiments have verified that the optimization of the main circuit of new energy vehicles considering the electromagnetic compatibility characteristics can provide better anti-interference ability and stability under different working conditions.

关 键 词：新能源汽车 一阶滞后滤波 电路结构优化 供电回路 电磁兼容特性 

分 类 号：U467[机械工程—车辆工程] TP202[交通运输工程—载运工具运用工程]