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Budi Darmawan
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JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY)
Published by Universitas Mataram
ISSN : -     EISSN : 2987730     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering
The Aims and scope of the JEITECH are Power System, Telecommunication, electronics and computer of informatics , including: Electrical Power Systems High Voltage Technology Renewable Energy Power Electronics Sensing and Automation Telecommunication system and technique Signal Processing Image Processing Internet of Things Artificial Intelligence Data Science Analytic Biomedical Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 77 Documents
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Pemerataan Beban Pada Gardu Distribusi GS 024 PT.PLN (Persero) UIW NTB Sukma, Lalu Deni Urif; Sultan
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Vol. 2 No. 3 (2024): Edisi November 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Praktik Kerja Lapangan (PKL) merupakan bagian penting dalam kurikulum Teknik Elektro S-1 Universitas Mataram, memberikan mahasiswa kesempatan langsung belajar tentang dunia kerja. PKLmemungkinkan mahasiswa mengamati praktik, peraturan, dan standar kerja perusahaan, mempersiapkan mereka menghadapi tantangan di lapangan sesuai dengan bidang keilmuan atau peminatan mereka. Fokus pada PLN sebagai penyedia energi listrik, artikel ini menyoroti pentingnya pemerataan beban pada gardu, sehingga mengetahui perbandingan dari transformator sebelum dan sesudah dilakukan pemerataan beban di area kerja ULP Ampenan. Artikel ini memaparkan pemerataan beban pada gardu distribusi GS024 dan MM096 PT PLN (Persero) UIW NTB dari yang semulanya keadaan arus beban tiap fasa tidak seimbang menjadi seimbang .
Aplikasi Perhitungan Faktor Koreksi Kalibrasi Berbasis Android di Dinas Tenaga Kerja dan Transmigrasi Azegap, Syahrul; Akbar, Lalu Ahmad Syamsul Irfan
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Vol. 2 No. 3 (2024): Edisi November 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

This study focuses on developing an Android-based application to simplify the calculation of calibration correction factors for measuring instruments, specifically aiding the Department of Manpower and Transmigration in ensuring the accuracy of equipment used for workplace safety. The application addresses the limitations of manual calculations and suboptimal software by providing a user-friendly interface for inputting calibration data, automatically computing correction factors, and storing calculation histories. The development process includes planning, designing, algorithm implementation in Kotlin, application development in Android Studio, and comprehensive testing for functionality and usability. The results demonstrate that the application enhances efficiency, accuracy, and consistency in the calibration process, which is vital for maintaining high safety standards. User feedback indicates high satisfaction with the application's ease of use and reliability. Moving forward, the application is expected to make significant contributions to calibration, with ongoing updates to meet evolving user needs, thereby reinforcing the collaboration between educational institutions and industry while promoting quality standards in various sectors.
Sinkronisasi Data Server-Client dengan Network File System Berbasis BashShell melalui Jaringan Virtual Private Network giriwahyuwiriasto; Harsani, Mardiana Rizka; Akbar, L.A.Syamsul Irfan
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Vol. 2 No. 3 (2024): Edisi November 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Virtual Private Network merupakan jaringan privat yang memanfaatkan jaringan publik untuk berbagi dan mengakses informasi dari lokasi mana pun, sementara layanan Network File System digunakan untuk mempermudah akses data. Terdapat Observatorium Geomagnetik Lombok (OGL), sebagai pusat pencatatan data-log oleh server pengukuran medan magnet bumi, berjarak lokasi dengan kota Mataram 42 Km. Untuk memenuhi kebutuhan akses data real-time, diperlukan sinkronisasi dan duplikasi data pada server OGL ke komputer klien di kampus Unram. Penelitian ini membuat program sinkronisasi dan duplikasi data berbasis BashShell untuk ujicoba pada prototipe jaringan dengan VPN, memungkinkan data tersinkronisasi secara efisien dan dapat diakses. Berdasarkan data yang di dapat dari hasil pengujian, hasil uji new file memerlukan waktu yang lebih sedikit (31 detik) bila dibandingkan dengan move file (32 detik) dan differ file (33 detik); Semakin banyak new file yang di copy maka semakin banyak pula waktu yang di butuhkan. Hal ini terlihat pada saat pertama kali program sinkronisasi di jalankan membutuhkan waktu 54 detik untuk >50 file sedangkan pada saat ujicoba ke-3 membutuhkan waktu 31 detik untuk 4 file.
Perancangan Sistem Keamanan Sepeda Listrik Menggunakan Sensor Fingerprint al rafif, muhammad roid; Wiryajati , I Ketut
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Vol. 2 No. 3 (2024): Edisi November 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Increasing security on vehicles, including electric bicycles, is an important concern to prevent criminal acts such as theft. The security system developed in this study uses a fingerprint sensor to ensure that only registered users can operate electric bicycles. By scanning and verifying fingerprints, the system ensures that only fingerprints registered in the database can start the vehicle. E-bike technology, which combines the concept of a conventional bicycle with the addition of an electric motor and battery as a driver, was chosen as the object of research. The implementation of this system involves an Arduino Uno device, fingerprint sensor, buzzer, and relay to regulate vehicle access. Arduino Uno functions as a control center that regulates the process of verifying identity and activating electric bicycles, while the buzzer acts as a sound notification tool in the system. This system is expected to be able to improve vehicle security and provide a practical solution in vehicle access based on biometric authentication.
Pendekatan Regresi Linear untuk Mengkaji Pengaruh Induktansi pada Efisiensi dan Daya Keluaran Zeta Converter Wiryajati, I Ketut; Baihaki, Ahmad Riki; Budiman, Djul Fikry
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Vol. 2 No. 3 (2024): Edisi November 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Increasing security on vehicles, including electric bicycles, is an important concern to prevent criminal acts such as theft. The security system developed in this study uses a fingerprint sensor to ensure that only registered users can operate electric bicycles. By scanning and verifying fingerprints, the system ensures that only fingerprints registered in the database can start the vehicle. E-bike technology, which combines the concept of a conventional bicycle with the addition of an electric motor and battery as a driver, was chosen as the object of research. The implementation of this system involves an Arduino Uno device, fingerprint sensor, buzzer, and relay to regulate vehicle access. Arduino Uno functions as a control center that regulates the process of verifying identity and activating electric bicycles, while the buzzer acts as a sound notification tool in the system. This system is expected to be able to improve vehicle security and provide a practical solution in vehicle access based on biometric authentication.
Pengaruh Metode Pengukuran Terhadap Akurasi Penentuan Daya Listrik: Analisis Perbandingan Metode Voltmeter-Amperemeter, Tiga Voltmeter, Tiga Amperemeter, dan Wattmeter BINTANG AULIA, GUARNEAN
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 1 (2025): Edisi April 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

engukuran daya listrik dilakukan dengan Empat metode pengukuran daya listrik voltmeter-amperemeter, tiga voltmeter, tiga amperemeter, dan wattmeter dievaluasi untuk menentukan tingkat akurasi pada berbagai beban berdasarkan Hukum Ohm dan teori daya listrik yang mencakup daya aktif, reaktif, dan semu. Pengukuran menunjukkan bahwa hasil daya meningkat seiring bertambahnya beban, tetapi akurasi bervariasi di antara metode. Wattmeter memberikan hasil paling akurat dengan kesalahan terkecil, sedangkan tiga voltmeter menghasilkan kesalahan terbesar karena keterbatasan alat ukur. Hubungan antara arus dan daya sesuai dengan Hukum Ohm, sedangkan tegangan sumber tetap stabil meskipun arus meningkat akibat beban yang bertambah. Pilihan metode pengukuran berpengaruh signifikan terhadap akurasi hasil, dengan wattmeter direkomendasikan untuk aplikasi yang membutuhkan presisi tinggi, sementara metode lainnya lebih cocok untuk kebutuhan tertentu. Temuan ini diharapkan menjadi referensi dalam memilih metode pengukuran daya listrik untuk keperluan praktis maupun penelitian lebih lanjut.
Pendekatan Tekno-Ekonomi untuk Pengembangan Sistem Energi Hibrida Hidro-Biomassa untuk Pasokan Listrik Berkelanjutan di Daerah Pedesaan Muljono, Agung Budi; Poetra, Satrya Bhayangkara; Parhan, Lukman
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 1 (2025): Edisi April 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Indonesia is one of the countries crossed by the equator, so it has quite large renewable energy potential, including in the Lombok area. Therefore, the use of renewable energy-based power plants can be applied throughout Indonesia. Lombok Island with its geographical conditions in the form of an archipelago with plains from the coast to the mountains has great potential for energy ranging from wind, water, biomass and solar power. The purpose of this system planning is to determine the importance of alternative energy in providing electricity for rural communities to obtain a sustainable supply of electricity based on hydro and biomass energy through a techno-economic approach. This research was applied to rural communities in Pemenang, Lombok, as an energy community. The software used for this system planning is Homer 2.19. The optimization results obtained using Homer are using hydroelectric power plants, biogas energy, converters, and batteries so that the total funds needed to purchase system components when the project starts are US$ 116,200, the present value of the installation and operation costs of the system until the project is complete (NPC) is US$ 514,764, the average price per kWh of electricity generated is US$ 0.082.
RANCANG BANGUN MODUL PERCOBAAN COUNTER DAN BINARY ADDER CIRCUIT DI LABORATORIUM ELEKTRONIKA DIGITAL Rasidin, Eka Handika; Ch, Syafarudin; Wiryajati, I Ketut
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 1 (2025): Edisi April 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

This study develops an experimental module for Counter and Binary Adder Circuit practicals to enhance Electrical Engineering students' understanding of logic circuits at the University of Mataram. The Counter circuit, a sequential circuit triggered by a clock signal, includes synchronous and asynchronous types. The Binary Adder Circuit performs binary addition. The module incorporates key components such as JK and D flip-flops, logic gates (AND, OR, XOR, NOT), a shift register, and a full adder. Design and testing confirm proper functionality. The Counter module operates correctly with LED indicators, and the Binary Adder produces accurate binary calculations. This module effectively supports practical learning in logic circuitsThis study develops an experimental module for Counter and Binary Adder Circuit practicals to enhance Electrical Engineering students' understanding of logic circuits at the University of Mataram. The Counter circuit, a sequential circuit triggered by a clock signal, includes synchronous and asynchronous types. The Binary Adder Circuit performs binary addition. The module incorporates key components such as JK and D flip-flops, logic gates (AND, OR, XOR, NOT), a shift register, and a full adder. Design and testing confirm proper functionality. The Counter module operates correctly with LED indicators, and the Binary Adder produces accurate binary calculations. This module effectively supports practical learning in logic circuits
MONITORING SPEKTRUM FREKUENSI RADIO RUTIN DI STASIUN TETAP PADA SITE LOMBOK TENGAH MENGGUNAKAN PERANGKAT TCI SCORPIO CLIENT Azis, Imam Abdul; Akbar, Lalu A. Syamsul Irfan; Nababan, Sabar
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 1 (2025): Edisi April 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Monitoring spektrum frekuensi radio secara rutin sangat penting untuk menjamin efisiensi penggunaan spektrum serta mencegah terjadinya interferensi antar layanan komunikasi. Penelitian ini membahas hasil pemantauan spektrum di stasiun tetap pada site Lombok Tengah menggunakan perangkat TCI Scorpio Client pada tanggal 27 Februari 2025. Tujuan utama dari studi ini adalah menganalisis tingkat pemanfaatan spektrum serta mengidentifikasi potensi interferensi berdasarkan pengukuran yang dilakukan pada hari tersebut. Data dikumpulkan melalui metode pengukuran langsung dengan perangkat TCI dan dianalisis menggunakan parameter Frequency Band Occupancy (FBO%) dan spektrum yang terpakai (occupied spectrum). Hasil monitoring menunjukkan bahwa tingkat pemanfaatan spektrum pada tanggal tersebut hanya sebesar 5,854% dari total lebar pita frekuensi yang tersedia, yaitu 61,425 MHz. Pita ketiga menunjukkan tingkat pemanfaatan tertinggi (27,273%), sedangkan pita keempat terendah (0,039%). Hasil ini mencerminkan kondisi spektrum pada saat pengukuran serta menandakan adanya peluang untuk optimalisasi, baik melalui redistribusi pengguna maupun evaluasi kebijakan alokasi frekuensi. Studi ini memberikan kontribusi bagi pengelolaan spektrum yang lebih efisien dan dapat menjadi dasar pemantauan jangka panjang untuk mengamati tren penggunaan spektrum.
Peramalan Permintaan Darah Menggunakan Backpropagation Neural Network di UTD PMI Kabupaten Lombok Barat | Budiman, Djul Fikry; Sasongko, Sudi Mariyanto Al; Saefurrasyid , Yusril
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 1 (2025): Edisi April 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

In recent years, it noted that the number of requests for blood from hospitals in West Lombok and Mataram exceeded the bloodstock in the PMI Blood Transfusion Unit (UTD) in West Lombok Regency. The blood requests need predicting so there is no shortage of bloodstock. The model of the Backpropagation artificial neural network method is used to estimate the number of short-term blood requests. Predictive performance is analyzed based on the accuracy value based on the Absolute Maximum Percent Error (MAPE). The use of backpropagation neural networks can help respond to emergencies faster and predict more accurately. Accuracy rate prediction results for some type of blood component are: Whole Blood Bank Blood Hospital (WB BDRS) of 22%, BDRS Packet Red Cell blood of 78%, Thrombocyte Concentrate BDRS blood of 84 %, Fresh Frozen Plasma BDRS blood of 80%, WB NON-BDRS blood of 18%, PRC NON-BDRS blood of 66%, TC NON-BDRS blood of 55%, and FFP NON-BDRS blood of 47%. Based on these results, the JST backpropagation method can be used to predict TC BDRS blood and FFP BDRS blood with a good category.

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