用锁相技术实现对小型直流电机的恒速控制

Realization of the Constant Speed Controling in the Small DC Motor by Using PLL

叙述了用锁相技术实现对直流电机恒速控制的组成框图、工作原理 ,讨论了为保证系统稳定工作应具有的回路传递函数及其参数选择 。

describe the basic construction and working principle realized by using PLL technology to control the constant speed of the DC motor, discuss the loop transfering functions and parameters selecting in order to guarantee the system working stably.At last giving the using example.