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All Journal Journal of Applied Science, Technology & Humanities
Daffa Zulqitsi
IPB University
Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Social Sciences

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Application of Mamdani Fuzzy Logic in Monitoring Dissolved Oxygen, pH, and Temperature in Koi Cyprinus rubrofuscus Raising Ponds Widya Puspita Hapsari; Muhammad Faiz Assariy; Daffa Zulqitsi; Zuliandra Pratama; Alwan Maulana; Muhammad Sakha Alfaizi; Rizki Ismaulana Ar Rasyid; Adhietya Try Anggara; M Febriyansah; Khansa Asrilia Suganda; Utari Oktaviani; Destia Rahma Nurhaliza; Rakha Arya Gautama; Elva Vauziyah; Naufal Auzan Ramadhan
Journal of Applied Science, Technology & Humanities | JASTH Vol. 2 No. 4 (2025): September 2025
Publisher : Batrisya Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62535/8j9q1d36

Abstract

Water quality is very important for the success of ornamental fish rearing, especially in raising koi fish Cyprinus rubrofuscus. This research develops a water quality monitoring system using the Mamdani fuzzy logic method based on three main parameters, namely temperature, pH, and dissolved oxygen (DO). The system was designed to handle the uncertainty and indecisiveness often encountered in water quality assessment, particularly in aquaculture environments. Temperature parameters are classified into cold, normal, and hot categories; pH into acidic, neutral, and alkaline categories; and DO into low, medium, and high categories. Simulation and implementation of the fuzzy inference system were conducted using MATLAB software. Through the process of fuzzification, rule-based inference, and defuzzification, the system successfully predicts the water quality status from bad, normal and good categories. The system is proven to be effective in evaluating water quality status and has the potential to support smarter and more adaptive management of koi fish farming environments.     
Co-Authors Adhietya Try Anggara Alwan Maulana Destia Rahma Nurhaliza Elva Vauziyah Khansa Asrilia Suganda M Febriyansah Muhammad Faiz Assariy Muhammad Sakha Alfaizi Naufal Auzan Ramadhan Rakha Arya Gautama Rizki Ismaulana Ar Rasyid Utari Oktaviani Widya Puspita Hapsari Zuliandra Pratama