MPL-B4540F-SK72AA
這種方法被廣泛應用于電力電子、通訊、控制系統等領域。例如,在電機驅動中,PWM方法可以控制電機的轉速和轉矩,從而實現電機的率和精密控制。
因為調制只是一個逆運算的過程,是為了得到開關點。你知道了采樣點的規律之后就不需要調制了,自己算出正弦表,通過程序控制輸出脈沖的占空比,用這樣的脈沖去控制開關器件的導通/斷開。
脈沖寬度調制是利用微處理器的數字輸出來對模擬電路進行控制的一種非常有效的技術,廣泛應用在從測量、通信到功率控制與變換的許多領域中。
脈沖寬度調制是一種模擬控制方脈沖寬度調制是利用微處理器的數字輸出來對模擬電路進行控制的一種非常有效的技術,廣泛應用在從測量、通信到功率控制與變換的許多領域中脈沖寬度調制是利用微處理器的數字輸出來對模擬電路進行控制的一種非常有效的技術,廣泛應用在從測量、通信到功率控制與變換的許多領域中。
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