Because the manufacturing error and installing error exist in the actual six DOF platform, there is divergence between each joint point's actual coordinates and its theoretic values.
实际的六自由度转台存在着制造和安装误差，转台各个铰点的实际坐标与理论值之间会有偏差。
Therefore, a widely and in-dept research on the control theory and parameter identification for the six-dof hydraulic motion platform to improve the performance has a great significance.
因此，深入地研究液压六自由度运动平台的控制策略及其相关的参数辨识方法，以提高液压六自由度运动平台的动态响应性能具有十分重要的意义。
The mechanical dynamics model is an important research area of the control strategy for the six-dof hydraulic motion platform.
机械系统动力学模型是研究液压六自由度运动平台控制策略的重要组成部分。
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