1 Faculty of Electrical Engineering, Warsaw University of Technology Institute of Control and Industrial Electronics Koszykowa 75, Warszawa 00-662, Poland tel.: +48 22 234 6138, fax: +48 22 234 6023, URL: http://www.ee.pw.edu.pl
In this paper two different update schemes for the recently developed plug-in direct particle swarm repetitive controller (PDPSRC) are investigated and compared. The proposed approach employs the particle swarm optimizer (PSO) to solve in on-line mode a dynamic optimization problem (DOP) related to the control task in the constant-amplitude constant-frequency voltage-source inverter (CACF VSI) with an LC output filter. The effectiveness of synchronous and asynchronous update rules, both commonly used in static optimization problems (SOPs), is assessed and compared in the case of PDPSRC. The performance of the controller, when synthesized using each of the update schemes, is studied numerically.
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