利用该方法为直流脉宽调速系统设计了控制器，并在实验室进行了实现，显示了良好的动态特性，表明控制器具有较大的工程实用价值。
With the CAD Program, controller is designed for the PWM system, Its realization shows good dynamic properties and that the design is valuable in engineering practice.
本系统采用霍尔元器件测量电动机的转速，用8051单片机实现小功率直流电动机的脉宽调速。
The system adopts Huoer elements in the motor rotation measurement and USES 8051 SCM in pulse - band speed adjustment.
介绍了直流脉宽调速实验系统的开发由来及线路，并进行了波形分析。
This paper presents the origin of the exploitation of the direct current pluse width velocity modulation educational system and its circuit, moreover, goes on the waveform analysis.
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