The photoelectric encoder is used for measuring the angular position of rotating ballscrew. Semi closed loop compensation control is realized and system accuracy is improved.
应用光电编码器作为滚珠丝杠转角位置检测元件实现了半闭环补偿控制，提高了系统的精度。
The proposed dynamic compensation method combines the advantages of closed-loop position control and computed torque control.
提出的动力学补偿方法结合了闭环位置控制和计算力矩控制两者的优点。
Capacitor group is switched through accuracy calculation to form closed-loop management system of reactive compensation.
发、供、配电网投切电容器组应通过精确计算，形成无功补偿的闭环管理系统。
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