Reliability Analysis of the Light Truck Frame Based on Statics Structure and Response Surface Methodology

2019 4th International Conference on System Reliability and Safety (ICSRS) Pub Date : 2019-11-01 DOI:10.1109/ICSRS48664.2019.8987670

Chuanhai Chen, Junqi Long, H. Tian, Zhaojun Yang, Zhicheng Zhang, Xu Jia

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Abstract

Automobile plays an indispensable role in people's daily life, and the frame, as the main bearing part of the automobile, always affects the performance of the automobile and people's driving safety. The reliability of the truck frame is an important part of the inspection of the automotive quality. Because the frame of light truck is a complex structure, the general reliability analysis methods such as first-order second-moment method and second-order second-moment method cannot accurately solve the reliability index of complex systems, while Monte Carlo simulation has a large amount of computation and low efficiency. Therefore, this paper proposes a technique for the reliability of the truck frame combining response surface methodology and advanced first-order second-moment method. In this method, the response surface methodology is employed to obtain the performance function of the truck frame and advanced first-order second-moment method is used to obtain the reliability of the truck frame. The reliability analysis results of the light truck frame show the feasibility and effectiveness of the proposed method.

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基于静力结构和响应面法的轻型卡车车架可靠性分析

汽车在人们的日常生活中扮演着不可或缺的角色，而车架作为汽车的主要承载部件，始终影响着汽车的性能和人们的行车安全。汽车车架的可靠性是汽车质量检验的重要组成部分。由于轻型卡车车架是一个复杂的结构，一般的可靠性分析方法如一阶二阶矩法和二阶二阶矩法不能准确求解复杂系统的可靠性指标，而蒙特卡罗模拟计算量大，效率低。为此，本文提出了一种将响应面法与一阶二阶矩法相结合的汽车车架可靠性分析方法。该方法采用响应面法求解车架的性能函数，采用先进的一阶二阶矩法求解车架的可靠性。轻型卡车车架的可靠性分析结果表明了该方法的可行性和有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2019 4th International Conference on System Reliability and Safety (ICSRS)

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