车用芯片极端环境适应性道路试验研究  

Road Test Research on Extreme Environmental Adaptability of Automotive Chip

作　　者：何俊南 王向东 董晓菲 王龙 吴昊[1] HE Junnan;WANG Xiangdong;DONG Xiaofei;WANG Long;WU Hao(China Automotive Technology and Research Center Company Limited,Tianjin 300300,China;Beijing National New Energy Vehicle Technology Innovation Center Company Limited,Beijing 100176,China)

机构地区：[1]中国汽车技术研究中心有限公司,天津300300 [2]北京国家新能源汽车技术创新中心有限公司,北京100176

出　　处：《汽车实用技术》2025年第4期85-88,共4页Automobile Applied Technology

摘　　要：针对汽车行业内车用芯片“卡脖子”的问题,文章开展了纯电动乘用车控制芯片在极端环境下的适应性研究,涵盖高寒环境、高温环境、高湿环境和高原环境,选取了某款自主研发的控制芯片及控制器,换装至12辆纯电动乘用车,试验地点分别为内蒙古牙克石、新疆吐鲁番、海南琼海和青海格尔木,总行驶里程达到3×10^(5) km。试验过程中的极端环境为最低气温小于-40℃、最高气温大于50℃、最高相对湿度大于95℃、最高海拔大于4700 m,同时进行了一系列的针对性操作试验与测试用例检查,未发生与整车控制器、车载核心控制芯片及车控操作系统相关的故障问题。研究成果将为行业内相关的测试工作提供有效的试验方法指导及经验参考。In response to the"bottleneck"problem of automotive chip in the automotive industry,this article conductes research on the adaptability of pure electric passenger vehicle control chip in extreme environments,including high-cold environment,high-hot environment,high-humidity environment,and high-altitude environment.A self-developed control chip and controller are selected and replaced with 12 pure electric passenger vehicles.The test locations are Yakeshi in Inner Mongolia,Turpan in Xinjiang,Qionghai in Hainan,and Golmud in Qinghai,with a total driving distance reach 3×10^(5) km.The extreme environment during the experimental process is a minimum temperature below-40℃,a maximum temperature above 50℃,a maximum relative humidity above 95℃,and a maximum altitude above 4700 m.Meanwhile,a series of targeted operation tests and test case checks are conducted,and no faults related to the vehicle controller,onboard core control chip,or vehicle control operating system occurres.Research findings will provide effective experimental method guidance and experience reference for relevant testing work in the industry.

关 键 词：纯电动乘用车 控制芯片 极端环境 整车匹配试验 

分 类 号：U469.7[机械工程—车辆工程]