给出了系统框图、部分硬件电路图和程序设计框图。
Some important architecture of the hardware circuit diagrams and program design diagrams are also provided.
阐述了系统的工作原理，给出了该系统主要的硬件电路图和控制流程图。
Its operation principle is stated, and its main circuit diagrams and control flow charts are also given.
利用PWM驱动方式控制电机的转动，并设计出了直流伺服控制系统硬件电路图。
Using PWM to drive motor, and we design a circuit in DC serve control system.
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