pWM
脉冲宽度调制是一种模拟控制方式，根据相应载荷的变化来调制晶体管基极或MOS管栅极的偏置，来实现晶体管或MOS管导通时间的改变，从而实现开关稳压电源输出的改变。这种方式能使电源的输出电压在工作条件变化时保持恒定，是利用微处理器的数字信号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...
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AT89S52通过PWM控制步进电机的C51程序
AT89S52通过PWM控制步进电机的C51程序，实现了四相步进电机的起停、速度、方向控制，并具有避免速度切换过快造成丢部的功能。Keil编写，Proteus7下仿真通过。...
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this program has many parts and fully working, based on MCS51. Hand made PWM and wave forms for dim
this program has many parts and fully working, based on MCS51. Hand made PWM and wave forms for dim...
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Space-Vector PWM Technique for Two-Phase Inverter-Fed Two-Phase Induction Motors
Space-Vector PWM Technique for Two-Phase Inverter-Fed Two-Phase Induction Motors...