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Coupled Vibration Analysis of Tire and Wheel for Road Noise Improvement

机译：道路噪声改善轮胎和轮子的耦合振动分析

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摘要

Tire is a key to a good performance of road-induced noise (road noise). Development of the performance would be more effective by deep consideration with suspension and wheel. Coupled vibration analysis between suspension and tire/wheel has given suggestions to understand and to improve their vibration. Next, it is applied to tire and wheel for a rumble noise around 160 Hz in this paper. Successful and practical technique is developed for this analysis. It is a modal transformation of analytical degree of freedom (DOF) at their conjunction points. The DOF is reduced from seven hundreds to some tens and finally to two by transfer path analysis (TPA). By referencing results of numerical study, a set of modified tire and wheel is prepared. Its experimental results show the improvement of road noise and verify that this approach is useful practically.
机译：轮胎是道路诱导噪声（道路噪声）良好表现的关键。通过使用悬架和轮子的深度考虑，表现的发展将更有效。悬架和轮胎/车轮之间的耦合振动分析已经提出了理解和改善振动的建议。接下来，在本文中应用于轮胎和轮胎，用于隆隆声噪声约为160 Hz。为该分析开发了成功和实用的技术。它是它们在它们的结合点的分析程度的模态转换。通过转移路径分析（TPA），DOF从七百到几十个减少到两个，最后到两个。通过参考数值研究的结果，准备了一组改进的轮胎和轮。其实验结果表明，道路噪音的改善，并验证这种方法几乎是有用的。

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