基于Simulation X的多轴转向系统功能安全仿真分析  

Functional safety simulation analysis for multiaxle electro-hydraulic steering system based on Simulation X C

作　　者：陈志韬 周怡 刘相新[1] 白锦洋[1] 刘洋 王真真[1] HEN Zhitao;ZHOU Yi;LIU Xiangxin;BAI Jinyang;LIU Yang;WANG Zhenzhen(Beijing Institute of Space Launch Technology,Beijing 100076,China;CICT Connected and Intelligent Technologies Co.,Ltd.,Beijing 100089,China)

机构地区：[1]北京航天发射技术研究所,北京100076 [2]中信科智联科技(北京)有限公司,北京100089

出　　处：《山东科学》2024年第3期85-92,共8页Shandong Science

摘　　要：基于ISO 26262《道路车辆功能安全》的标准要求,对特种车的多轴电液转向系统进行分析,以提高系统的安全性和可靠性。运用Simulation X软件建立详细的多轴特种车仿真模型,通过模拟故障模式注入进行仿真试验。对仿真结果和数据进行分析,评估得到故障的严重性、暴露度和可控性,从而确定相应的汽车安全完整性等级。基于故障注入仿真的汽车功能安全分析方法,在系统早期设计阶段可以作为评估架构安全性的重要手段。Based on the standard requirements of ISO 26262 Road Vehicles-Functional Safety,this study analyzes the multiaxle electro-hydraulic steering system of special vehicles to enhance the system′s safety and reliability.In this study,the Simulation X software was used to establish a detailed simulation model for the multiaxle special vehicle,and simulation experiments were conducted via fault injection.The simulation results and data were analyzed to assess the severity,exposure and controllability of the faults,thereby determining the corresponding automotive safety integrity level.Thus,based on fault injection simulation,the automotive functional safety analysis method can serve as a crucial means to assess architectural safety in the early stages of system design.

关 键 词：多轴车 电液转向系统 Simulation X 故障注入仿真 汽车安全完整性等级 

分 类 号：U461.91[机械工程—车辆工程]