根据已知的力矩特性曲线，分析了利用双三次曲面拟合来创建传动系统所有工况点数据的原理和方法。
According to known torque curves, the principles and methods for establishing all data in each operation of the driving system was discussed by the theory of 3-dimension fitting.
通过弗格森双三次曲面为研究模型来建立最佳的拟合参数。
At last, through establishing optimal fitting parameters, it is shaped the model of Ferguson bicubic curved surface to surface fitting.
本文通过严密的数学推导，给出了可适用于任意三次曲面的快速拟合算法。
This paper, through tight mathematics inferring, gives thrice curved surface 'fast fit algorithm which is suited to arbitrarily thrice curved surface.
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