PWM DC-AC Converter Regulation Using a Multi-Loop Single Input Fuzzy PI Controller

Shahrin Md. Ayob; Naziha Ahmad Azli; Zainal Salam

PWM DC-AC Converter Regulation Using a Multi-Loop Single Input Fuzzy PI Controller

Shahrin Md. Ayob

Naziha Ahmad Azli

Zainal Salam

Vol. 9, No. 1, pp. 124-131, Jan. 2009

10.6113/JPE.2009.9.1.124

signed distance method

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Abstract

This paper presents a PWM dc-ac converter regulation using the Single Input Fuzzy PI Controller (SIFPIC). The SIFPIC is derived from the signed distanced method, which is a simplification of the conventional Fuzzy controller. The simplification results in a one-dimensional rule table, that allows for its control surface to be approximated by a piecewise linear relationship. The controller multi-loop structure comprises of an outer voltage and an inner current feedback loops. To verify the performance of the SIFPIC, a low power PWM dc-ac converter prototype is constructed and the proposed control algorithm is implemented. The experimental results show that the SIFPIC performance is comparable to the conventional Fuzzy PI controller, but with a much reduced computation time.

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Cite this article

[IEEE Style]

S. M. Ayob, N. A. Azli, Z. Salam, "PWM DC-AC Converter Regulation Using a Multi-Loop Single Input Fuzzy PI Controller," Journal of Power Electronics, vol. 9, no. 1, pp. 124-131, 2009. DOI: 10.6113/JPE.2009.9.1.124.

[ACM Style]

Shahrin Md. Ayob, Naziha Ahmad Azli, and Zainal Salam. 2009. PWM DC-AC Converter Regulation Using a Multi-Loop Single Input Fuzzy PI Controller. Journal of Power Electronics, 9, 1, (2009), 124-131. DOI: 10.6113/JPE.2009.9.1.124.