摘要
针对某变速器啸叫问题,建立了基于频响分析和声学分析方法的变速器阶次噪声仿真模型,用于快速预测变速器啸叫噪声改进效果。计算了三档齿轮参数改进前后该变速器齿轮阶次噪声降幅,并用齿轮改进前后车内实测噪声降幅验证了该方法。最终分析了齿轮参数改进后齿轮传递误差降幅与变速器阶次噪声降幅之间的关系。
In order to reduce gear whine noise of a transmission,a model is established based on frequency response analysis and acoustic analysis method,and it is used to predict the improvement effect of the transmission whine noise.Transmission order noise is calculated while the 3~(rd) gear has been refined,and the method is validated by vehicle cabin noise experiment.Finally the relationship of the gear transmission error and transmission order noise is analyzed.
引文
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