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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >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销盘系统中的应用

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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：通常通过对制动器总成的线性化模型进行复杂的特征值分析来分析研究制动器的尖叫声，该特征值通常很大。本文提出了一种确定那些对一对耦合频率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。降阶模型在应用于灵活的盘上光盘系统时被证明是有效的。甚至还要考虑阻尼和非线性。这种降阶模型可以足够准确地预测尖叫声的开始以及尖叫声的频率，并且可以大大减少计算量，并为我们进行设计优化以减少刹车尖叫声提供了实用指南。

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