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文章给出了一种由８０３１、８２５３芯片构成的直流电机调速系统，它不仅实现了对电机转速的反馈控制，而且对于电网干扰所造成晶闸管的误触发、漏触发有很强的抑制作用
This paper presents a DC motor speed control system composed of 8031 and 8253 chips, which not only realizes the feedback control of the motor speed, but also has a strong inhibitory effect on the false trigger and leakage trigger of the thyristor caused by the grid disturbance