Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.

实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。

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It is introduced that establishing surface roughness prediction model of lithium hydride turning by regression analysis method in this paper.

文章主要介绍了运用回归分析方法建立氢化锂车削表面粗糙度预测模型的方法。

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An analysis model which can predict grinding force and surface roughness of aluminum alloy with abrasive belt grinding by using artificial neural networks was established.

建立了采用人工神经网络方法预测砂带磨削铝合金时磨削力和磨削表面粗糙度的分析模型。

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