Adopting ac servo motor as the driving device, can the dc servo motor and a high precision, high performance as the half closed loop or closed loop control system.

采用交流伺服电机作为驱动器件，可以和直流伺服电机一样构成高精度，高性能的半闭环或闭环控制系统。

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A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.

一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。

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Microprocessor, dedicated motion controller and driver, optical electronic encoder were used to realize servo closed-loop motion control.

采用微处理器、专用的运动控制和驱动芯片以及光电编码器实现了机器人关节的伺服闭环运动控制；

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