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SPWM
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Using Simulink to build SPWM module. The full name of PWM is pulse width modulation, which changes the equivalent output voltage by changing the duty cycle of the output square wave. Widely used in motor speed and valve control, such as electric vehicle motor speed is the use of this way. The so-called SPWM is to change the modulation pulse mode on the basis of PWM, and the pulse width time duty cycle is arranged according to the sine law, so that the output waveform can achieve sine wave output through appropriate filtering.
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