Power Converters with Digital Filter Feedback Control

Preface

There are two sayings; neither depicts the disheartening anguish that power supply industries had encountered in the face of digital advances. One goes like this, “Everything is going digital, but power supply,” and the other, “Everything is going digital, power supply must follow.” Taking it at its face value, the former is downright dispirited, while the latter a bit condescending. But both also carry some truth.

Here is the fact. Analog, audio, magnetic cassette tapes had been buried by digital, optical CDs. Analog, video, magnetic VHS tapes had been wiped out by digital, optical DVDs. Analog, landline telephones had been replaced by digital, wireless cell phones. Similarly, motor control has witnessed the inroad of digital techniques, ...