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Simplified ultrasonic regular-sampled PWM technique

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3 Author(s)
Bowes, S.R. ; Dept. of Electr. & Electron. Eng., Bristol Univ., UK ; Grewal, S. ; Holliday, D.

The well-established regular-sampled pulse width modulation technique is simplified to produce a strategy with reduced computational complexity, but without leading to a significant deterioration in performance. The technique is particularly suitable for applications requiring ultrasonic carrier frequencies to reduce harmonic distortion and for those closed-loop feedback drive systems that are limited by sampling rates and control algorithm execution times

Published in:

Electronics Letters  (Volume:36 ,  Issue: 9 )