Synthesis of elliptical cylindrical antenna array using craziness particle swarm optimization for suppressing sidelobe level

Nageswar Rao Thadikamalla and Prakasa Rao Amara

Journal of Electromagnetic Waves and Applications, 2024, vol. 38, issue 14, 1592-1604

Abstract: This paper introduces Craziness-based particle swarm optimization (CRPSO), an enhanced Particle Swarm Optimization method, to study the best antenna design for an Elliptical Cylindrical Array (ECA). Heuristic methods such as the PSO algorithm has two key benefits: it employs minimal control parameters and converges quickly. However, PSO performance can be, hampered by early convergence and stagnation. This study modifies the PSO algorithm to address these issues by a “craziness” factor represented by a craziness variable. The CRPSO approach to minimizing the Side Lobe Level (SLL) by determining the optimal configuration of active and inactive elements without preset, First Null Beam Width (FNBW) parameters. Additionally, SLL variation with various element spacings. Results show a significant decrease in SLL up to −42.83 dB, and comparing the results to PSO and existing literature shows superior SLL reduction.

Date: 2024
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DOI: 10.1080/09205071.2024.2385502

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