MPL-B4540F-SK72AA
这种方法被广泛应用于电力电子、通讯、控制系统等领域。例如,在电机驱动中,PWM方法可以控制电机的转速和转矩,从而实现电机的率和精密控制。
因为调制只是一个逆运算的过程,是为了得到开关点。你知道了采样点的规律之后就不需要调制了,自己算出正弦表,通过程序控制输出脉冲的占空比,用这样的脉冲去控制开关器件的导通/断开。
脉冲宽度调制是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术,广泛应用在从测量、通信到功率控制与变换的许多领域中。
脉冲宽度调制是一种模拟控制方脉冲宽度调制是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术,广泛应用在从测量、通信到功率控制与变换的许多领域中脉冲宽度调制是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术,广泛应用在从测量、通信到功率控制与变换的许多领域中。
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