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首页> 外文期刊>Mathematical Problems in Engineering >A Reduced-Order Model for Complex Modes of Brake Squeal Model and Its Application to a Flexible Pin-on-Disc System
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A Reduced-Order Model for Complex Modes of Brake Squeal Model and Its Application to a Flexible Pin-on-Disc System

机译：制动尖叫模型复杂模式的降阶模型及其在柔性圆盘系统中的应用

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摘要

Brake squeal is often analytically studied by a complex eigenvalue analysis of linearized models of the brake assembly that is usually quite large. In this paper, a method for determining those frequencies having the most effect on the pair of coupling frequencies that saves much time is put forward and a reduced-order model is presented based on the complex modes theory. The reduced-order model is proved to be effective when applied to a flexible pin-on-disc system; even damping and nonlinearity are taken into consideration. This reduced-order model can predict the onset of squeal as well as the squeal frequency with sufficient accuracy and largely reduced amount of calculation and gives us a practical guide to perform design optimization in order to reduce brake squeal.
机译：通常通过对制动器组件的线性化模型进行复杂的特征值分析来分析制动器的尖叫声，该特征值通常很大。本文提出了一种确定对耦合频率对影响最大的频率的方法，该方法可以节省大量时间，并基于复模理论提出了降阶模型。降阶模型被证明适用于灵活的针碟式系统。甚至还要考虑阻尼和非线性。该降阶模型可以以足够的精度预测尖叫声的开始以及尖叫声的频率，并且大大减少了计算量，并为我们提供了进行设计优化以减少刹车尖叫声的实用指南。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第22期|103809.1-103809.11|共11页
  • 作者

    Zhang Lijun; Wu Jun; Meng Dejian;

  • 作者单位

    Tongji Univ, Sch Automot Engn, Shanghai 201804, Peoples R China|Tongji Univ, Collaborat Innovat Ctr Intelligent New Energy Veh, Shanghai 201804, Peoples R China;

    Tongji Univ, Sch Automot Engn, Shanghai 201804, Peoples R China|Tongji Univ, Collaborat Innovat Ctr Intelligent New Energy Veh, Shanghai 201804, Peoples R China;

    Tongji Univ, Sch Automot Engn, Shanghai 201804, Peoples R China|Tongji Univ, Collaborat Innovat Ctr Intelligent New Energy Veh, Shanghai 201804, Peoples R China;

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