And that parallel mode requires the servo system to have good speed stability to ensure invariable output of speed.

平行式要求伺服系统具有良好的速度稳定性，保证恒定的速度输出。

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To accomplish a task of optical precision adjustment, a 6-DOF precise parallel robot with architecture of HTRT is presented, which is driven by AC servo motors.

为实现光学精密调整，研制出了由交流伺服电机驱动的6-HTRT并联机器人，它具有6个自由度，其结构特点决定了该机器人可以完成高精度定位调整。

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Aimed at a parallel manipulator with three degrees of freedom translation, a method on dynamic modeling of parallel manipulator and parameter identification of its servo system is presented.

研究一种三自由度并联机构动力学建模及伺服系统参数辨识方法。

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