接触刚度对制动摩擦块时域-频域响应的影响

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振动与冲击 ›› 2019, Vol. 38 ›› Issue (8) : 198-202.

论文

隋鑫1，丁千1,2

作者信息 +

Influences of contact stiffness on the time and frequency responses of a brake pad in a frictional system

SUI Xin1,DING Qian1,2

Author information +

文章历史 +

摘要

考虑Stribeck效应的摩擦力，建立摩擦块-制动盘耦合动力学方程，应用Runge-Kutta法和有限差分法数值模拟相对移动作用下的系统振动。本文主要分析摩擦块切向运动的动力学特性，揭示表面接触刚度比对其Hopf分岔的影响，并应用时域-频域分析方法得出摩擦块动力学特性随制动盘转动速度变化的规律，分析其粘滑振动机理。

Abstract

Equations of motion of a disc-pad coupling brake system considering the Stribeck-type friction force were established.A simulation procedure was adopted using the finite difference method and the Runge-Kutta method to deal with the moving interactions.This paper was focused on the pad’s tangential response, revealing the influences of the contact stiffness on its Hopf bifurcation.Factors of frictional dynamic principle, mechanism of stick-slip flutter were discussed by the time-frequency analysis.

导出引用

隋鑫1，丁千1,2. 接触刚度对制动摩擦块时域-频域响应的影响[J]. 振动与冲击, 2019, 38(8): 198-202

SUI Xin1,DING Qian1,2. Influences of contact stiffness on the time and frequency responses of a brake pad in a frictional system[J]. Journal of Vibration and Shock, 2019, 38(8): 198-202

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