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All Journal JURIKOM (Jurnal Riset Komputer)
Cindy Pakpahan
Universitas Sumatera Utara, Medan
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Analisis Pengaruh Kadar Amonia terhadap Biota pada Sistem Akuaponik Berbasis IoT Menggunakan Sensor Fusion dan K-Means Cindy Pakpahan; Erna Budhiarti Nababan; Baihaqi Siregar; Opim Salim Sitompul; Hayatunnufus
JURIKOM (Jurnal Riset Komputer) Vol. 13 No. 3 (2026): Juni 2026
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/jurikom.v13i3.9827

Abstract

Aquaponic systems integrate fish and plant cultivation in a single production cycle, but their success depends heavily on water quality  particularly ammonia levels, which can be harmful to living organisms if left unmonitored. This study develops an IoT-based monitoring system using an ESP32 microcontroller equipped with eight sensors (pH, water temperature, air temperature, humidity, DO, EC, TDS, and ammonia) integrated through a sensor fusion approach. Sensor data were processed using mean imputation and Z-score normalization, then analyzed with Pearson Correlation for feature selection and K-Means clustering for anomaly detection in an aquaponic system cultivating Channa striata and Amaranthus sp. Results show that ammonia correlates most strongly with pH (r = 0.50), while correlations with other parameters were relatively low. K-Means successfully distinguished normal from anomalous conditions automatically, and biological testing confirmed that optimal growth occurred at ammonia levels below 1 mg/L. Compared to single-parameter monitoring systems, this multivariate approach provides a more comprehensive picture of environmental conditions and offers a foundation for developing smart, efficient, and sustainable aquaponic systems.
Co-Authors Baihaqi Siregar Erna Budhiarti Nababan Hayatunnufus Opim Salim Sitompul