基于HAZOP分析的EPS系统整车级功能安全测试方法研究  

Research on Vehicle-Level Functional Safety Test Method of EPS System Based on HAZOP Analysis

作　　者：王宇 郭魁元 张宏伟[1,2] 张通 秦孔建[1,2] Wang Yu;Guo Kuiyuan;Zhang Hongwei;Zhang Tong;Qin Kongjian(CATARC Automotive Test Center(Tianjin)Co.,Ltd.,Tianjin 300300;China Automotive Technology and Research Center Co.,Ltd.,Tianjin 300300)

机构地区：[1]中汽研汽车检验中心(天津)有限公司,天津300300 [2]中国汽车技术研究中心有限公司,天津300300

出　　处：《中国汽车》2021年第6期24-30,共7页China Auto

摘　　要：功能安全标准GB/T 34590《道路车辆功能安全》在汽车电子电气系统设计过程中的应用愈加广泛,从而能够确保车辆避免由电子电气系统的功能异常表现而导致的不合理风险。本文以EPS系统为例,讨论了相关项定义、使用HAZOP分析方法的危害分析、风险评估等过程,并对可能造成整车级危害的潜在原因进行分析与讨论,对其中具有代表性的潜在原因设计测试方法,并进行试验验证,为EPS系统的功能安全开发及测试验证提供了指导依据。The functional safety standard GB/T 34590 Road vehicles-Functional safety is more and more widely used in the design process of automotive electrical and electronic systems,which can ensure that vehicles avoid unreasonable risks caused by the abnormal performance of electrical and electronic systems.Taking the EPS system as an example,this article discusses related item definitions,hazard analysis using HAZOP analysis method,risk assessment and other processes,and analyzes and discusses the potential causes that may cause vehicle-level hazards,and discusses the representative potential causes.The design of test methods and test verification provide guidance for the functional safety development and test verification of the EPS system.

关 键 词：功能安全 HAZOP 测试方法 

分 类 号：U46[机械工程—车辆工程]