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。
A pneumatic position servo system with pulse code modulation (PCM) is described in this paper.
本文研究脉冲编码调制(PCM)控制方式的气压位置伺服系统。
A basic frame of direct current pulse width mode of servo control system is presented. Algorithm is realized by embedded digital signal processor.
提出了一种直流脉宽调制伺服控制系统的基本框架，其算法通过嵌入式数字信号处理器(DSP)来实现。
The inaccurate measurement of initial position of motor rotor when the motor starts is a problem existing in a servo system applying increment photo-electricity pulse coder.
使用增量式光电编码器测量电机位置的伺服系统中，在电机启动时，普遍存在无法准确测量出电机转轴初始位置的问题。
The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).
系统采用位置、速度和电流环三环控制，并结合空间矢量脉宽调制（SVPWM）算法。
The driving system use DC servo system of modulating pulse width.
驱动系统采用脉宽调制直流伺服系统。
An AC servo driving system consists of three command forms such as pulse command, speed command and torque command.
交流伺服驱动动系统包括三种指令形式，即脉冲指令，速度指令，转矩指令。
An AC servo driving system consists of three command forms such as pulse command, speed command and torque command.
交流伺服驱动动系统包括三种指令形式，即脉冲指令，速度指令，转矩指令。
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