【導(dǎo)讀】PWM脈沖信號(hào)實(shí)現(xiàn)對(duì)直流電機(jī)的供電電源進(jìn)行控制從而達(dá)到調(diào)速目的。同時(shí)利用光電編碼。差的調(diào)速系統(tǒng)設(shè)計(jì)。64LCD顯示器顯示電機(jī)當(dāng)前的參數(shù)、正反轉(zhuǎn)狀。態(tài)、轉(zhuǎn)速以及運(yùn)行時(shí)間；通過4?4鍵盤實(shí)現(xiàn)：數(shù)字PID參數(shù)設(shè)置、速度、電機(jī)正反轉(zhuǎn)、加。速、減速、啟動(dòng)、停止。

　　

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