驱动电机系统级功能安全测试方法研究  

Research on System-Level Functional Safety Test Method of Drive Motor

作　　者：秦炜 马凯 王宝森 王斌 赵凌霄 QIN Wei;MA Kai;WANG Baosen;WANG Bin;ZHAO Lingxiao(CATARC New Energy Vehicle Test Center(Tianjin)Company Limited,Tianjin 300300,China)

机构地区：[1]中汽研新能源汽车检验中心(天津)有限公司,天津300300

出　　处：《汽车实用技术》2025年第1期80-84,共5页Automobile Applied Technology

摘　　要：电气化、互联化、共享化、智能化是汽车工业未来发展的必然趋势。驱动电机控制器作为车辆动力系统的关键组成部分,是一种重要的安全相关的电子控制单元,若其不能按预期运行,可能导致严重的整车事故。文章依据ISO26262标准,采用功率级半实物仿真系统平台,从功能安全角度出发,开发了多种针对控制器的测试用例和测试场景,并对转速传感器异常、电机温度信号异常、控制器局域网(CAN)总线故障及逆变器过/欠压等情况进行了详细分析和研究。研究为驱动电机控制器的功能安全测试验证提供了有效的方法。Electrification,interconnection,sharing and intelligence are the inevitable trends shaping the future of the automobile industry.As a crucial component of the vehicle power system,the electric motor control unit or inverter plays a significant role in ensuring safety.If the MCU malfunctions,it can lead to serious vehicle accidents.Therefore,based on the ISO 26262 standard,this paper utilizes a power hardware-in-the-loop test platform to develop various test cases and scenarios for testing and verifying the controller from a functional safety perspective.Detailed analysis and research are conducted on issues including speed sensor anomalies,motor temperature signal abnormalities,controller area network(CAN)bus failures,and inverter over/under voltage.The findings provide a robust method for verifying the functional safety of the controller.

关 键 词：功能安全 Power-HIL 逆变器 

分 类 号：U467.3[机械工程—车辆工程]