直流电机位置用脉冲宽度调制法控制。
Position control of d. c. motors has been done by means of pulse width modulation .
直流电机位置用脉冲宽度调制法控制。
Position control of d. c. motors has been done by means of pulse width modulation.
通过编程，实现对步进电机位置、转向和转速的灵活控制。
By programming, the position, turning direction and turning speed of step motor can be flexibly controlled.
永磁无刷直流电机位置传感器和转矩波动的存在限制了它的应用范围。
For the being of the torque ripple and the position sensors, the application of brushless DC motors is limited.
在永磁同步伺服电机位置控制系统中的实际应用，表明了该方法的优越性和实用性。
The practical operating results in permanent magnet synchronous motor (PMSM) illustrate the effectiveness and practicability of the proposed approach.
本文对伺服系统的传递函数作了分析，并探讨了测速电机位置配置对伺服系统的影响。
The transfer function of servo system and the effects of the tachometer generator's position on the stability of servo system are analyzed.
本文开发的步进电机控制系统可以实现电机位置控制、加减速控制、并具有插补运算、图形显示、人机对话等功能。
The step motor position-control, add and subtract rate control, figure function, man-machine dialogue function etc have been realized in the system.
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 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.
调速模型包括PWM输出模块、PI调节模型、电机本体模型、斩波控制模型、机械子系统模型、电机位置信号处理模型等。
The control model includes PWM output module, PI control module, motor module, current chopping module, mechanical subsystem module and signal processing module of rotor position.
根据输出变量的不同误差等级进行分级模糊控制和稳态值输出切换，以便在直线电机位置控制中的不同阶段采取不同的控制模式。
According to the deferent error hierarchy of the output variables, the hierarchical fuzzy control and the steady state output is switched over.
根据输出变量的不同误差等级进行分级模糊控制和稳态值输出切换，以便在直线电机位置控制中的不同阶段采取不同的控制模式。
According to the deferent error hierarchy of the output variables, the hierarchical fuzzy control and the steady state output is switched over.
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