Comparative study of PSO and CS for optimisation of 3 × 5 planar antenna array using MOM Online publication date: Fri, 28-Jul-2017
by Saumendra Kumar Mohanty; Amiya Bhusan Sahoo; Biswa Binayak Mangaraj
International Journal of Information and Communication Technology (IJICT), Vol. 11, No. 1, 2017
Abstract: The desired multiple performance parameters such as directivity, half power beam width, relative side lobe level, etc. of a specific planar antenna array are highly nonlinear function of its input parameters such as antenna length (l), radius (α), spacing (d) among the antenna elements. These output parameters are optimised using popular PSO and recently developed cuckoo search. These bio-motivated optimising algorithms optimise multiple design and performance parameters of a nonlinear problem like 3 × 5 planar arrays with the concept of ground reflection to improve the performance of the array. In addition, a comparative study is made between two optimisation techniques in terms of their antenna output characteristics and time taken for convergence. While analysing the planar array, mutual coupling is taken into account for numerical analysis using method of moment. MATLAB is used for design and optimisation of antenna array. MININEC MOM analyser is used to validate results obtained.
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