Universiti Teknologi Malaysia Institutional Repository

PWM DC-AC converter regulation using a multi-loop single input fuzzy PI controller

Md. Ayob, Shahrin and Ahmad Azli, Naziha and Salam, Zainal (2009) PWM DC-AC converter regulation using a multi-loop single input fuzzy PI controller. Journal of Power Electronics, 9 (1). pp. 124-131. ISSN 1598-2092

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Abstract

This paper presents a PWM dc-ac converter regulation using a Single Input Fuzzy PI Controller (SIFPIC). The SIFPIC is derived from the signed distanced method, which is a simplification of a conventional fuzzy controller. The simplification results in a one-dimensional rule table, that allows its control surface to be approximated by a piecewise linear relationship. The controller multi-loop structure is comprised of an outer voltage and an inner current feedback loop. 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 a conventional Fuzzy PI controller, but with a much reduced computation time.

Item Type:Article
Uncontrolled Keywords:dc-ac converter, fuzzy controller, multi-loop scheme, PWM, signed distance method
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:13076
Deposited By: Liza Porijo
Deposited On:18 Jul 2011 01:45
Last Modified:18 Jul 2011 01:45

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