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The finite state machine for control of high frequency power electronics

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3 Author(s)
Lefley, P.W. ; Leicester Univ., UK ; Barnes, S.A. ; Smith, G.A.

The power density of converters and drives can benefit from higher operating frequencies, and adaptive control methods can increase system response and stability. The functionality of the finite state machine provides an ideal platform to build a high-frequency adaptive controller for power electronics applications. This article describes the essential features of a finite state machine, the analysis and design basics, and how the adaptive control methods are used to increase the performance. To conclude, the design, simulation and implementation of an FSM controller for a 1.5 kW 25 kHz power converter is presented.

Published in:

Power Engineering Journal  (Volume:14 ,  Issue: 6 )