Sensitivity studies of friction-induced vibration

被引：27

作者：

Butlin, Tore ^{[1
]}

Woodhouse, Jim ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England

来源：

INTERNATIONAL JOURNAL OF VEHICLE DESIGN | 2009年 / 51卷 / 1-2期

关键词：

brake squeal; brake noise; friction-induced vibration; friction excited vibration; sensitivity; uncertainty; perturbation analysis; convergence; minimal models; reduced order models; low order models; BRAKE SQUEAL; DISC BRAKE; PREDICTIVE TOOL; POINT-CONTACT; PART; INSTABILITY; SYSTEMS; MODEL; STABILITY;

D O I：

10.1504/IJVD.2009.027124

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Friction-induced vibration is notoriously twitchy. This paper examines the origin of the sensitivity, using a model with two linear systems coupled at a single-point sliding contact where a general linearised model for dynamic frictional force is allowed. Sensitivity and convergence studies show that system uncertainty is significant enough to affect the stability of predictions and that modes neglected from the model can sensitively affect predictions. Some key results from a large-scale experimental study are presented. The integration of the uncertainty and sensitivity analysis with data-processing techniques to extract reliable data allows critical evaluation of the modelling details.

引用

页码：238 / 257

页数：20

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