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Improved large signal performance of paralleled DC-DC converters current sharing using fuzzy logic control

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2 Author(s)

This paper introduces fuzzy logic control as a technique for significantly improving the large signal performance of paralleled DC-DC power converters with master-slave current sharing control. The control design for such systems is challenged by its high modeling complexity and present approaches come only from a small signal perspective, unable to give a good response for wide load and line transients. The fuzzy logic approach, by dealing naturally with nonlinearities, offers a good and parameter insensitive transient response for the current sharing loop. Design methodology of the fuzzy compensator, simulation results and a comparison with existing classical designs is shown

Published in:

Applied Power Electronics Conference and Exposition, 1998. APEC '98. Conference Proceedings 1998., Thirteenth Annual  (Volume:2 )

Date of Conference:

15-19 Feb 1998