Study of Brake Shoes Parameters on Brake Squeal Propensity Based on Complex Eigenvalue Method

HU Yan; HUANG Panpan; CHEN Guangxiong

doi:10.13890/j.issn.1000-128x.2015.04.006

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Study of Brake Shoes Parameters on Brake Squeal Propensity Based on Complex Eigenvalue Method

更新时间：2021-12-13

- Study of Brake Shoes Parameters on Brake Squeal Propensity Based on Complex Eigenvalue Method
- Electric Drive for Locomotives Issue 4, Pages: 23-25(2015)
- 作者机构：
  
  1. 西南交通大学牵引动力国家重点实验室，2 . 济南轨道交通装备有限责任公司，
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2015.04.006
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HU Yan, HUANG Panpan, CHEN Guangxiong. Study of Brake Shoes Parameters on Brake Squeal Propensity Based on Complex Eigenvalue Method. [J]. Electric Drive for Locomotives (4):23-25(2015)
DOI：

HU Yan, HUANG Panpan, CHEN Guangxiong. Study of Brake Shoes Parameters on Brake Squeal Propensity Based on Complex Eigenvalue Method. [J]. Electric Drive for Locomotives (4):23-25(2015) DOI： 10.13890/j.issn.1000-128x.2015.04.006.

摘要

利用ABAQUS 建立了踏面基础制动装置的有限元模型，运用有限元法预测制动尖叫噪声的发生趋势。通过改变摩擦系数、闸瓦摩擦体和瓦背的杨氏模量来分析其对制动尖叫噪声发生趋势的影响。研究表明：摩擦系数对制动尖叫噪声有重要影响，可通过降低摩擦体与踏面间的摩擦系数来减少制动尖叫噪声；为抑制制动尖叫噪声产生，在不影响制动性能的前提下，闸瓦摩擦体可选用杨氏模量较大的材料，闸瓦瓦背可选用杨氏模量较小的材料。

Abstract

A finite element model of a pad-wheel brake device was established using ABAQUS to predict the brake squeal noise. The influence of friction coefficient between the friction body and the tread, Young’s modulus of the friction body and the back plate on the brake squeal noise are studied. Results show that the friction coefficient had a significant influence on squeal noise, reducing the friction coefficient could suppress the occurrence of the brake squeal noise; and under the premise of without influencing on the braking performance, increasing the Young’s modulus of the friction body or decreasing the Young’s modulus of the back plate appropriately could suppress the occurrence of the brake noise.

关键词

复特征值尖叫噪声模态耦合制动摩擦

Keywords

complex eigenvaluesqueal noisemodel couplingbrakefriction

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