滚动半径，是车轮滚动时用来计算的等价半径，用于计算的圆周长度等于车轮实际滚动距离。
通过建立轮胎动力模型，利用基于模式搜索的最小二乘法对轮胎的纵向刚度和滚动半径两个参数进行了动态估计。
An dynamical model was developed in this paper for dynamic estimation of the longitudinal stiffness and rolling radius of the tires.
当凸轮机构主要用于传递运动时，基圆半径的选择可使滚子做连续滚动为优先考虑条件。
When the CAM is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.
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