Design of IIR Digital Filter using Modified Chaotic Orthogonal ImperialistCompetitive Algorithm
Publish Year: 1393
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-27-7_004
تاریخ نمایه سازی: 12 آبان 1393
Abstract:
There are two types of digital filters including Infinite Impulse Response (IIR) and Finite ImpulseResponse (FIR). IIR filters attract more attention as they can decrease the filter order significantlycompared to FIR filters. Owing to multi-modal error surface, simple powerful optimization techniquesshould be utilized in designing IIR digital filters to avoid local minimum. Imperialist competitivealgorithm is an evolutionary algorithm used in solving optimization problems in recent years. It canfind global optimum response in a nonlinear searching space. In this paper, performance of chaoticorthogonal imperialist competitive algorithm has been improved through some variations in it. Then,this modified algorithm has been applied in designing IIR digital filters and their performance has beencompared to some evolutionary algorithms
Keywords:
IIR Digital FilterImperialist Competitive AlgorithmOptimizationEvolutionary Algori
Authors
m Sharifi
Department of Electrical, Computer and Biomedical Engineering, Islamic Azad University, Qazvin Branch, Qazvin, Iran
h Mojallali
Electrical Engineering Department, Faculty of Engineering, University of Guilan, Rasht, Iran