Abstract

The objective of this study is to evaluate the correlation between noise and friction variation through an analysis of data obtained from relative motion of headlining and panel. Tests were conducted using headlining and panel specimens cut from the actual vehicle. The effect of surface roughness on noise was investigated by comparing textured headlining A with nontextured headlining B. To investigate the effect of friction variation and acceleration on the noise caused by stick–slip, the load was changed from 800 to 4,900$\mathrm{}\mathrm{g}$ (7.85 to 48.05$\mathrm{}\mathrm{N}$) and the amplitude of displacement from 1 to 2$\mathrm{}\mathrm{mm}.$ A method was proposed to predict and prevent noise generation by mapping various contact conditions based on the degree of stick–slip.

摘要

本研究的目的是通过分析从顶篷和面板的相对运动获得的数据来评估噪音和摩擦变化之间的相关性。使用从实际车辆上切下的顶篷和面板样本进行了测试。通过比较有纹理的车顶衬板 A 和无纹理的车顶衬板 B 来研究表面粗糙度对噪音的影响。为了研究摩擦变化和加速度对粘滑引起的噪音的影响，将载荷从 800 改为 4,900$\mathrm{}\mathrm{G}$ (7.85 到 48.05$\mathrm{}\mathrm{N}$) 和位移幅度从 1 到 2$\mathrm{}\mathrm{毫米}.$ 提出了一种通过基于粘滑程度映射各种接触条件来预测和防止噪声产生的方法。