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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro GEMA TEKNOLOGI METANA BERKALA FISIKA Jurnal ULTIMA Computing RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer) Jurnal Pengabdian Vokasi
Dista Yoel Tadeus
Program Studi S.Tr. Teknologi Rekayasa Otomasi, Sekolah Vokasi, Universitas Diponegoro
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics

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Journal : Jurnal ULTIMA Computing

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Metode Estimasi Suhu Minyak pada Transformator Tenaga melalui Pengukuran Suhu Body Berbasis IoT Rizal Alfa Rizki; Dista Yoel Tadeus; Fakhruddin Mangkusasmito; Heru Winarno; Eko Ariyanto
Ultima Computing : Jurnal Sistem Komputer Vol 12 No 2 (2020): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v12i2.1783

Abstract

Oil cooled power transformer has important role in the electricity distribution system. Its windings were immersed in oil as an insulating medium and also as a cooler. This oil would be heated up due to several things, the most significant was heat generated by winding’s power loss. The monitoring of oil temperature on the transformer was always done routinely every day to maintain its performance and health condition. IoT based measurements could improved efficiency and minimized manpower resources. To realize this the indirect non-destructive measurement method was proposed to estimate transformator’s temperature oil. It will corellate the oil temperature and body temperature through a constant calibration factor derived from calculations. Conducted experiment applied to specific existing transformator and followed by calculations resulted a calibration factor = 1.7749. The smallest average of estimated temperature error was lied in the range of 40 - 90 degrees Celcius.
Soil Moisture Control System for Lettuce Seeds: Time-based Alternative Approach Fakhruddin Mangkusasmito; Ageng Rilla Aldonanda; Dista Yoel Tadeus
Ultima Computing : Jurnal Sistem Komputer Vol 15 No 1 (2023): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v15i1.3214

Abstract

The utilization of lettuce leaves as a nutritious dish has made its demand relatively high. This research presents a moisture control method to optimize seed growth for lettuce. The prototype system has been developed using Arduino Mega, DF Robot soil moisture humidity sensor, and DC spraying pump for testing three different control scenarios, the open loop control system (time-based), the Proportional control system, and the combination of open loop and Proportional control method as an alternative. The results show that each control method can achieved the desired moisture of rockwool at 60%. Also, the combination of open loop and Proportional control can lessen energy usage of the system by up to 51% compared to the common open loop method.
Co-Authors Ageng Rilla Aldonanda Ari Bawono Putranto Arkhan Subari Azazi, Khasnan Budi Setiyono Didik Ariwibowo Didik Ariwibowo Eko Ariyanto Fakhruddin Mangkusasmito Fakhruddin Mangkusasmito Fakhrudin Mangkusasmito Hasbi Nur Ashshiddiq Heru Winarno Heru Winarno Heru Winarno Iman Setiono Iwan Setiawan Juli Mrihardjono Megarini Hersaputri Puteri, Ratna Azizah Rizal Alfa Rizki Saiful Manan Sutrisno Sutrisno Teguh Yuwono Yuniarto Yuniarto, Yuniarto