Sistem Wireless Sensor Network untuk Kontrol Salinitas Air Menggunakan Metode Logika Fuzzy Mamdani pada Tambak Ikan Mujair

Abstract

Usaha budi daya ikan mujair pada BUMDes Delta Mina Sejahtera memerlukan perhatian terkait salinitas air tambak. Hal tersebut memengaruhi pertumbuhan dan keberlangsungan hidup ikan mujair. Nilai salinitas ideal bagi pertumbuhan ikan mujair berkisar 7-8 ppt. Kadar garam yang tinggi dapat diturunkan nilainya dengan memberikan air tawar. Karakteristik tambak yang luas dibutuhkan sistem pengambilan dan pengolahan salinitas yang akurat. Berdasarkan hasil pengujian pada prototipe yang telah dibuat, penerapan WSN dalam mengirimkan data dari node sensor ke node master mendapat delay sebesar 2,4 detik. Pada sistem kontrol salinitas menggunakan logika Fuzzy Mamdani, mampu mencapai keadaan salinitas pada setpoint senilai 7,5 ppt dengan error steady state sebesar 0%. Jika dibandingkan dengan hasil simulasi MATLAB, rata-rata respons waktu yang dibutuhkan sistem prototipe untuk mencapai nilai salinitas akhir 7,5 ppt lebih lambat 1,55 detik.

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