Complex modal optimization of the disk brake based on thermal-structural coupling

被引：1

作者：

Yang, Meisheng ^{[1
,2
,3
,4
]}

Jiang, Wen ^{[1
,4
]}

Bao, Jiahan ^{[4
,5
]}

Zhang, Changwei ^{[1
,4
]}

机构：

[1] Anhui Univ Technol, Anhui Prov Key Lab Special Heavy Load Robot, Maanshan, Peoples R China

[2] Chongqing Jiaotong Univ, Minist Educ, Key Lab Hydraul & Waterway Engn, Chongqing, Peoples R China

[3] Changzhou Univ, Jiangsu Key Lab Green Proc Equipment, Changzhou, Peoples R China

[4] Anhui Univ Technol, Sch Mech Engn, Maanshan, Peoples R China

[5] Anhui Univ Technol, Engn Technol Res Ctr Hydraul Vibrat Technol, Maanshan, Peoples R China

来源：

MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES | 2024年 / 52卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Disc brake; optimization; complex eigenvalue method; negative damping ratio coefficient; harmonic; SQUEAL; PERFORMANCE; PREDICTION; STABILITY; SURFACE;

D O I：

10.1080/15397734.2024.2356064

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The brake disk and friction material parameters were taken as design variables, with the negative damping ratio of the unstable mode as the optimization target. The central composite design method was employed to obtain suitable data sample points. A neural network response surface model was constructed to predict the real part values of the unstable mode. Structural optimization design was then conducted using a screening method to derive optimized parameters for the brake disk structure and physical parameters such as density, elastic modulus, and Poisson's ratio of the friction material. The optimized coefficient of the negative damping ratio of the brake system's unstable mode was enhanced, thereby reducing the likelihood of brake squeal. Harmonic response analysis showed a significant optimization effect on the curve of brake disk amplitude fluctuations with frequency. These findings offer valuable insights for improving the stability of disk brake systems.

引用

页码：10422 / 10438

页数：17

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