Analysis of friction excited vibration of drum brake squeal

被引:16
|
作者
Teoh, Choe-Yung [1 ]
Ripin, Zaidi Mohd [1 ]
Hamid, Muhammad Najib Abdul [1 ]
机构
[1] Univ Sains Malaysia, Sch Mech Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia
关键词
Minimal model; Self-excited friction induced vibration; Drum brake squeal; Flutter instability; MODE-COUPLING INSTABILITY; INDUCED OSCILLATIONS; LABORATORY BRAKE; FOLLOWER LOADS; NOISE; SYSTEM; DESTABILIZATION; CRITERION; BEHAVIOR; DISCS;
D O I
10.1016/j.ijmecsci.2012.12.007
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Drum brake squeal is modelled as friction excited vibration based on the binary flutter mechanism which requires the convergence of two modes experimentally identified using Modal Assurance Criterion. Transient analysis is carried out to determine the brake drum response under braking condition and the model produces squeal mode at 2026 Hz comparable to the measured squeal frequency of 1950 Hz. There are limited combinations of the location of centre of pressure of the shoes that cause squeal. The amplitude of the limit cycle of the drum brake squeal can be reduced by increasing damping, mode frequency separation and reducing the contact stiffness. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:59 / 69
页数:11
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