Effect of Brake Pressure on High Frequency Braking Squeal of Disc Brakes

被引：3
|
作者：
Gao P. [1 ]
Wu Y.-H. [1 ]
机构：
[1] School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing
来源：
Gao, Pu (gaopu1989@126.com) | 1600年 / Northeast University卷 / 38期
关键词：
Brake pressure; Closed-loop coupling model; Contact coupling stiffness; High frequency braking squeal; Optimal method; Static loaded modal test;
D O I：
10.12068/j.issn.1005-3026.2017.09.019
中图分类号：
学科分类号：
摘要：
Based on the closed-loop coupling modal of disc brake structures, an optimal method and static loaded modal test were used to extract the actual contact coupling stiffness with different brake pressures applied, and the connection between the brake pressures in the actual conditions and the contact coupling stiffness in the parametric model was established. Subsequently, the sensitivity analysis method was used to explore the effect of the contact coupling stiffness on the unstable tendency of the brake system. Finally, according to the corresponding relationship of brake pressures and contact coupling stiffness, the effect of contact coupling stiffness on the unstable tendency was transformed into the impact of the brake pressure on the high frequency braking squeal. The sensitive range of the brake pressure making the system tend to be unstable could be obtained, which is helpful to put forward the active control measures to suppress the high frequency braking squeal. © 2017, Editorial Department of Journal of Northeastern University. All right reserved.
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页码：1303 / 1308
页数：5
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