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汽车制动系统缺陷严重影响汽车的行驶安全,是汽车召回的重要原因之一。为提高汽车召回效率,本文分析了近几年汽车制动系统缺陷引发召回的情况,梳理提出了汽车制动系统缺陷引发交通事故的危害分级以及引发事故的概率分级,并以风险等级为依据,提出了一种汽车制动系统缺陷风险评估程序。结合我国汽车召回真实案例,进行风险评估程序可行性研究,结果表明:风险矩阵法可以准确的识别汽车制动系统缺陷,因此,风险矩阵法能指导汽车制动系统缺陷的风险评估和汽车召回,也可扩展到汽车其他缺陷的召回工作。
Vehicle braking system defects seriously affect the safety of the car driving is one of the important reasons for car recall. In order to improve the recall efficiency of automobile, this paper analyzes the situation of recall caused by the defect of automobile braking system in recent years, combs the hazard classification of accident caused by the defect of automobile braking system and the probability classification of accident, and based on the risk level, A procedure for assessing the risk of defects in vehicle braking system is proposed. The feasibility study of the risk assessment procedure is carried out based on the real case of automobile recall in our country. The results show that the risk matrix method can accurately identify the defects of the vehicle braking system. Therefore, the risk matrix method can guide the risk assessment of vehicle braking system defects and vehicle recall, Can also be extended to recall other car defects.