Optimasi Pattern Reconfigurable Antenna Bercelah Melingkar menggunakan Algoritma Genetika

DWI ANDI NURMANTRIS, HEROE WIJANTO, BAMBANG SETIA NUGROHO

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ABSTRAK

Penelitian ini bertujuan untuk mendapatkan suatu desain pattern reconfigurable antenna dengan menitikberatkan pada optimasi antena planar berbentuk lingkaran dengan 24 switch berupa shorting pin pada tepi patch dan menambahkan celah melingkar pada patchnya sebagai metode penyepadan impedansi. Algoritma Genetika digunakan sebagai metode optimasi antena sedangkan Finite Element method digunakan sebagai metode komputasi untuk mendapatkan nilai parameter antena ketika proses evaluasi fungsi fitness. Keduanya dikolaborasikan untuk mendapatkan suatu desain antena yang mempunyai kemampuan pattern reconfigurable. Hasilnya diperoleh suatu desain antena pada frekuensi 2,4 Ghz dengan 24 pola pancar yang bisa di switch ke seluruh bidang azzimuth dimana semua pola pancar didesain pada arah elevasi 45o.

Kata kunci: optimasi, celah melingkar, algoritma genetika, pattern reconfigurable antenna


ABSTRACT

This research aims to obtain a reconfigurable antenna pattern design with emphasize on the optimization of a planar circular antenna with 24 switchs on the edge of the patch and add a slit ring in the patch as a impedance matching method. Genetic Algorithm is used as an antenna optimization method while the The Finite Element method is used as a computational method to obtain the antenna parameters value when evaluating the fitness function. Both collaborated to obtain an antenna design that has the pattern reconfigurable ability. The result is 2,4 Ghz antenna design with 24 radiation patterns that can be switched to all azzimuth plane where all are designed in 45o of elevation plane.

Keywords: optimization, slit ring, genetic algorithm, pattern reconfigurable antenna


Kata Kunci


Optimasi, Celah Melingkar, Algoritma Genetika, Pattern Reconfigurable Antenna

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Referensi


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DOI: https://doi.org/10.26760/elkomika.v8i1.111

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