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All Journal International Journal of Renewable Energy Development Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Prosiding Indonesian Journal of Physics and Nuclear Applications Jurnal Teori dan Aplikasi Fisika Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Jurnal Serambi Abdimas
Farzand Abdullatif
Physics Department, Mathematics And Natural Science Faculty, Jenderal Soedirman University
Humanities Astronomy Chemistry Computer Science & IT Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Physics

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Rancang bangun modul dual frequency DC to AC inverter berbasis Arduino UNO Hartono, Hartono; Yuninda, Riris; Abdullatif, Farzand
Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika Vol 8 No 1 (2025): Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jtf.2025.8.1.15455

Abstract

Inverter merupakan perangkat elektronik yang memiliki fungsi untuk mengubah arus DC menjadi AC. Inverter banyak diaplikasikan dalam instrumen elektronik dalam kehidupan sehari-hari, salah satunya dalam instrumen penelitian geolistrik metode Induced Polarization (IP) domain frekuensi. Metode IP domain frekuensi dilakukan dengan menginjeksikan tegangan dan arus AC dalam frekuensi rendah 1 Hz dan 10 Hz untuk meneliti kandungan mineral bawah tanah. Oleh karena itu, diperlukan sebuah modul untuk mengubah arus searah DC menjadi arus bolak-balik AC yang memiliki dua buah frekuensi keluaran 1 Hz dan 10 Hz. Penelitian ini menggunakan topologi H-Bridge Inverter, rangkaian driver IC IR2110 untuk mengubah arus searah DC menjadi arus bolak-balik AC dengan frekuensi keluaran sebesar 0,99 Hz dan 9,80 Hz. Uji pembebanan dilakukan dengan memberikan variasi beban resistif berupa resistor berukuran 2 kΩ-50 kΩ dan tegangan masukan 273 VDC. Saat frekuensi 0,99 Hz arus keluaran maksimal yang terukur sebesar 0,132 A, dan daya maksimal 33,05 W dan terjadi penurunan tegangan sebesar 9% dengan bentuk gelombang berupa gelombang kotak tidak sempurna yang nilai amplitudonya berubah mengikuti nilai arus keluaran. Sedangkan pada frekuensi keluaran 9,80 Hz dengan tegangan masukan 273 VDC, terjadi penurunan tegangan sebesar 10% dengan bentuk respon gelombang berupa gelombang kotak, arus maksimal sebesar 0,124 A, dan daya maksimum sebesar 30,56 W
Sensor Kebocoran Arus Listrik Water Heater Elektrik Hartono Hartono; Sugito Sugito; Farzand Abdullatif
Jurnal Teori dan Aplikasi Fisika Vol. 6 No. 2 (2018): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v6i2.179

Abstract

Design of a smart automated switching multi-channel, multi configurations resistivity meter Fuad Abdulloh; Hartono Hartono; Farzand Abdullatif; Abdullah Nur Aziz
Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika Vol 9 No 1 (2026): Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jtf.2026.9.1.20186

Abstract

The resistivity method uses a resistivity meter to measure subsurface resistivity by measuring voltage and current. Conventional data acquisition involves manual electrode movement, which is time-consuming and error-prone. This research developed a multi-channel smart resistivity meter based on Internet of Things (IoT) technology with automatic electrode switching and automated measurements for Schlumberger, Wenner, and Dipole-dipole configurations. The automatic switching system uses relays controlled by an ESP32 master controller. The measurement system employs shunt resistor-based current sensors and voltage divider-based voltage sensors, integrated with Arduino Uno microcontrollers and ESP32 master. Data is automatically stored in cloud storage and controlled via mobile application. Testing results show 3% voltage and 2% current reading errors, with 92% voltage and 96% current precision within 0-100V and 0-100mA ranges. The system successfully performs automatic switching and uploads real-time data every 5 seconds, significantly improving geoelectrical data acquisition efficiency.
Modeling and Analysis of Percentage Depth Dose (PDD) and Dose Profile of X-Ray Beam Produced by Linac Device with Voltage Variation Bilalodin Bilalodin; Farzand Abdullatif
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol. 8 No. 2 (2022): June
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v8i2.23622

Abstract

The Percentage Depth Dose (PDD) and dose profile of X-Ray output from a LINAC therapy device have been modeled and analyzed. The research was conducted by simulation method through the use of Particle and Heavy Ion Transport code System (PHITS) program. The LINAC therapy device modeled in this work refers to the Siemens Primus LINAC therapy device, which is operated at 6 MV, 10 MV and 18 MV voltages. Determination of PDD was carried at a depth of 0-30 cm and dose profile at a depth of 0-20 cm in a water phantom, placed at 100 cm from the source, which is exposed to a radiation field area of 10×10 cm2. Results from the modeling of the LINAC therapy device agrees with the actual X-ray apparatus and has produced Bremsstrahlung X-ray. It was found from the analysis of the PDD curve that the maximum doses are at the depth of 1.5 cm, 2.5 cm and 3.4 cm. The value of build up factor for each LINAC voltage agrees with the reference. Additionally,  the results of the analysis of the doses profile suggest that the X-ray output has good degree of uniformity. The flatness of dose profile occurs at the depth of 20 cm with percentage value of flatness at 1.6 %, 1.9 % and 1.2 %. The flatness values are all less than 2%. The flatness values shows ≤ 2 % deviation from reference value, which is below the tolerance range required in a measurement.
Co-Authors ., Hartono Abdullah Nur Aziz Abdullah Nur Aziz Akmal Ferdiyan Aminuddin, Jamrud Aniti Payudan Arifin, A Bilalodin Bilalodin Fuad Abdulloh Haris Saefurrahman Hartono Hartono Hartono hartono hartono Hartono Hartono Hartono Hartono Haryadi, Aris Mukhtar Effendi Niko Siameya Uletika Nurhayati Nurhayati Pakhrur Razi Reza Pahlevi Sahrul Iksan Salma Sukmawati Nur Aisah Sehah Sehah Simon Petrus Silalahi Sri Yuniarti Sugi Sugito Sugito Sugito Sugito Sunardi Sunardi Widiyani, Agustina Wihantoro Wihantoro Yulia Rahmawati, Yulia Yuninda, Riris Zaroh Irayani Zaroh Irayani