混合驱动可控压力机是一个二自由度机构，能够提供多组输出运动规律。
The hybrid driven controllable press is a mechanism with two degree of freedom that could provide motion low of multi-grouped output.
分析了以曲柄滑块机构和凸轮机构为主动的二自由度机构成型活塞中凸变椭圆的工作原理。
The working principle was analyzed for the middle-bulged varying ellipse shape of the two-freedom mechanism with the crank sliding-block mechanism and the cam mechanism.
摘要在确定机构装配方式基础上，求解了二自由度并联机构的位置正反解和速度雅克比矩阵。
After determining the assemble scheme the closed forward and inverse solution and velocity jacobin matrix of the two degree of freedom parallel mechanism are obtained.
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