将重心的实际位置与理论位置相减，得到偏差量，将此偏差量消除系统误差，传给望远镜控制系统。
The error between the actual position and the theoretic position will be gotten and feed back the control computer.
结合所做的天文望远镜控制系统项目，介绍一种宽范围、高精度直流力矩电机速度控制系统的实现方案。
A scheme of control system for a wide_range and high_precision velocity DC torque motor is introduced.
详细介绍了跟踪望远镜的跟踪控制系统所采用的控制技术及算法，以及用跟踪望远镜机架得到的实验调试结果。
The control technique and algorithm used for the tracking system are introduced in detail. The experimental and adjusting results obtained with tracking telescope mount are also given.
详细介绍了跟踪望远镜的跟踪控制系统所采用的控制技术及算法，以及用跟踪望远镜机架得到的实验调试结果。
The control technique and algorithm used for the tracking system are introduced in detail. The experimental and adjusting results obtained with tracking telescope mount are also given.
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