MUHAMMAD WAHYU NUGROHOJATI, . (2025) RANCANG BANGUN SISTEM IRIGASI OTOMATIS BERBASIS IOT DAN TEKNOLOGI LORA DENGAN LOGIKA FUZZY UNTUK MENINGKATKAN EFISIENSI PENGGUNAAN AIR. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.
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Abstract
Pertanian merupakan sektor yang sangat bergantung pada ketersediaan air, namun sistem irigasi konvensional sering kali tidak efisien karena penyiraman dilakukan secara manual tanpa mempertimbangkan kondisi tanah secara real-time. Penelitian ini bertujuan untuk merancang dan membangun sistem irigasi otomatis berbasis Internet of Things (IoT) dengan teknologi komunikasi LoRa dan pengambilan keputusan menggunakan logika fuzzy Mamdani. Sistem ini memanfaatkan tiga parameter utama sebagai input: kelembapan tanah, intensitas hujan, dan waktu operasional yang dibatasi menggunakan modul RTC DS3231. Data dari sensor dikirim melalui modul LoRa ke pusat pengolahan yang dikendalikan oleh mikrokontroler ESP32. Keputusan penyiraman dihasilkan berdasarkan kombinasi nilai fuzzy, kemudian mengaktifkan aktuator solenoid valve dan pompa air sesuai kebutuhan. Pengujian dilakukan pada lahan pertanian skala kecil hingga menengah, dan menunjukkan bahwa sistem mampu menghemat penggunaan air sebesar 35,42% dibandingkan metode konvensional. Sensor kelembapan tanah memiliki rata-rata kesalahan pembacaan sebesar ±2,31%, sedangkan sensor hujan menunjukkan akurasi sebesar 93,75%. Sistem fuzzy logic yang diterapkan mampu mengambil keputusan penyiraman dan drainase dengan tingkat kecocokan 91,67% terhadap penilaian manual. Hasil ini menunjukkan bahwa sistem bekerja secara adaptif, mandiri, dan relevan diterapkan pada kondisi pertanian tropis di Indonesia.******Agriculture is a sector highly dependent on water availability, yet conventional irrigation systems are often inefficient because watering is carried out manually without taking real-time soil conditions into account. This research aims to design and develop an automatic irrigation system based on the Internet of Things (IoT) using LoRa communication technology and decision-making via Mamdani fuzzy logic. The system uses three main input parameters: soil moisture, rainfall intensity, and operational time, which is limited using the RTC DS3231 module. Data from the sensors are transmitted through the LoRa module to a central processing unit controlled by an ESP32 microcontroller. Watering decisions are generated based on a combination of fuzzy values, which are then used to activate the solenoid valve and water pump as needed. Testing was conducted on small- to medium-scale agricultural land and showed that the system was able to save 35.42% of water usage compared to conventional methods. The soil moisture sensor had an average reading error of ±2.31%, while the rain sensor showed an accuracy rate of 93.75%. The implemented fuzzy logic system was able to make irrigation and drainage decisions with a suitability rate of 91.67% compared to manual assessments. These results indicate that the system operates adaptively, autonomously, and is relevant for application in tropical agricultural conditions in Indonesia.
Item Type: | Thesis (Sarjana) |
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Additional Information: | 1). Taryudi, Ph.D. ; 2). Drs. Rimulyo Wicaksono, M.M. |
Subjects: | Teknologi dan Ilmu Terapan > Teknik Hidraulik, Pelabuhan, Irigasi Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik Teknologi dan Ilmu Terapan > Teknik Elektronika Teknologi dan Ilmu Terapan > Teknik Komputer |
Divisions: | FT > D IV Teknologi Rekayasa Otomasi |
Depositing User: | Muhammad Wahyu Nugrohojati . |
Date Deposited: | 11 Aug 2025 04:53 |
Last Modified: | 11 Aug 2025 04:53 |
URI: | http://repository.unj.ac.id/id/eprint/59652 |
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