Reliability Sensitivity Analysis of Stochastic Resonance Failure of Vehicle Drum Brake

2020 5th International Conference on Electromechanical Control Technology and Transportation (ICECTT) Pub Date : 2020-05-01 DOI:10.1109/ICECTT50890.2020.00011

Yangjunjian Zhou, Pak Unsong, Zhao Haoyuan

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引用次数: 4

Abstract

Brakes play an important role in the slowing down and stopping of vehicles, forming a critical part of the automotive safety system. The reliability of brakes can significantly impact the safety and reliability of the entire vehicle. In order to study the influence of random parameters (brake structure and material, etc.) on brake frequency reliability, Workbench software was used to conduct modal analysis and harmonic response analysis on a drum brake. A BP neural network was used to establish the first order natural frequency function model of a drum brake. The advanced First-Order Second-Moment method was adopted to obtain the frequency reliability and reliability sensitivity curves of the drum brake, the results were verified by the Monte-Carlo method. The results showed that the drum brake design is reliable and the influence of random parameters on the frequency reliability of the brake was determined, which lays a foundation for the robust optimization design of the drum brake.

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车辆鼓式制动器随机共振失效的可靠性灵敏度分析

制动器在车辆的减速和停车中起着重要的作用，是汽车安全系统的重要组成部分。刹车的可靠性对整车的安全性和可靠性有着重要的影响。为了研究随机参数(制动器结构、材料等)对制动频率可靠性的影响，利用Workbench软件对鼓式制动器进行了模态分析和谐波响应分析。采用BP神经网络建立了鼓式制动器的一阶固有频率函数模型。采用改进的一阶二阶矩法，得到了鼓式制动器的频率可靠性和可靠性灵敏度曲线，并用蒙特卡罗方法对结果进行了验证。结果表明，鼓式制动器设计可靠，确定了随机参数对制动器频率可靠性的影响，为鼓式制动器的鲁棒优化设计奠定了基础。

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

2020 5th International Conference on Electromechanical Control Technology and Transportation (ICECTT)

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