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利用蒙特卡洛方法通过计算机进行模拟实验，采用多元线性回归方法建立曲柄滑块实验机构各运动副间隙的误差传递系数回归方程，进而通过修正系数，得到尺寸型与实验机构相同的实际机构的误差传递系数回归方程。当尺寸型变化时，通过模拟实验得到曲柄相对尺寸对误差传递系数影响的回归方程和尺寸型对机构输出运动标准差影响的曲线。
The Monte-Carlo method was used to simulate the experiment, and the regression equation of error transfer coefficient of each motion gap of the crank-slider experimental mechanism was established by using the multiple linear regression method. Then the error of the actual mechanism of the same size and experimental mechanism Transfer coefficient regression equation. When the size changes, the regression equation of the influence of the relative size of the crank on the error transfer coefficient and the curve of the influence of the size type on the standard deviation of the output motion of the mechanism are obtained through simulation experiments.