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Majalah Ilmiah Teknologi Elektro
Published by Universitas Udayana
ISSN : 16932951     EISSN : 25032372     DOI : https://doi.org/10.24843/MITE
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Majalah Ilmiah Teknologi Elektro (MITE) is peer review journal, published twice a year by the Study Program of Magister Electrical Engineering, Faculty of Engineering, Universitas Udayana. This journal discusses the scientific works containing results of research in the field of electrical, include power systems, telecommunications, informatics, and electronics. Authors are expected to include original scientific papers in accordance with the scope of the discussion of this journal including all aspects of the theory and practice are used.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 19 Documents
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Search results for , issue "Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro" : 19 Documents clear
Application of ANFIS in Decision-Making on the Smart Control Early Warning System for Tornadoes Gamma Aditya Rahardi; Hasanur Mohammad Firdausi; Widyono Hadi; Dodi Setiabudi; Immawan Wicaksono
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P06

Abstract

A tornado is one weather process that arises due to atmospheric instability. A tornado is a strong wind, but not all strong winds are tornadoes. Tornadoes have a short time frequency but can result in no minor disaster because they can blow objects away and uproot trees. Due to the consequences, an early warning system is needed as an anticipation for the community in the affected areas so that it can help the community by warning early on of the occurrence of a tornado. The ANFIS (Adaptive Neuro Fuzzy Inference System) method is used to forecast the event of a tornado, and the parameters used are wind speed, ambient temperature, and ambient humidity. This study will compare the ANFIS method using hybrid and backpropagation algorithms. Using the backpropagation algorithm, an error of 0.42385 was produced during training and testing, and an average error of 136.54 was obtained. When using the hybrid algorithm, the error during training is 2.0781 x 10-5, and the average error during testing is 0.015%.Keywords — ANFIS ; Anemometer; DHT22; Early Warning System; Tornado.
IoT Berbasis NodeMCU ESP8266 Sebagai Decision Support System Pengelolaan Energi Gedung Telkomsel Renon Amien Harist Hardiansyah; I Nyoman Satya Kumara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P11

Abstract

The Telkomsel Renon Building serves as the regional telecommunications service office for the Bali and Nusa Tenggara area, covering an area of 5072 m2 with a PLN power capacity of 555 kVA. PT Telkom is committed to reducing energy consumption by implementing ISO 50001 energy management. Despite this, the use of 14 smart meters is still manually conducted, leading to a lack of real-time energy usage information. PLN data indicates an average energy consumption from 2017 to 2023 of 628.271 kWh, with an average annual cost of Rp. 696.915.017. Factors such as electrical equipment, room size, activities within, and building insulation affect the building's energy consumption. Inappropriate activities relative to room capacity can lead to energy wastage. One solution proposed for accurately monitoring energy usage in real-time involves the development of an Internet of Things (IoT) based application using Blynk. IoT is implemented in large meeting rooms with Central Split Duct AC and small meeting rooms with Split Wall AC. Measurement results indicate significantly higher energy consumption in large meeting rooms, reaching 4207.83 kWh, compared to only 467.06 kWh in small meeting rooms for similar activities. Discussions with users of small meeting rooms revealed their comfort and successful achievement of meeting objectives. By utilizing small meeting rooms, energy consumption can be reduced by up to 88.9%. Based on these findings, recommendations for room usage SOPs have been formulated for the Telkomsel Renon Building to realize energy-efficient practices towards green building standards. Keywords: Energy Management; Green Building; Internet of Things; Smart Meter.
Optimization of Electric Bus Scheduling Using Genetic Algorithm: A Case Study in Public Transport of UNNES Campus Area Nur Azis Salim; Subiyanto Subiyanto; Siva Khaaifina Rachmat; Muhammad Farrel Ekaputra
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P02

Abstract

The transportation service system requires improvements to evolve into a smart and more efficient system. Passengers waiting at bus stops can create long queues, causing a lack of available shuttle bus capacity when arriving at the bus stop. This work proposes a genetic algorithm model to minimize passenger waiting time and schedule shuttle buses to stops with high capacity. The Genetic Algorithm works by searching for the optimal value to result in optimal waiting time by providing calling shuttle bus. After the method reaches the optimal solution, the simulation result will provide a minimum waiting time. In case studies of simulated design at either campus in Central Java, Indonesia. This method provides a simulated system shuttle bus on scheduling to raise a challenge in waiting time efficiency and passenger accumulation at campus transportation. The case studies of the application on passenger waiting time showcase the model's ability to improve transportation services in the unscheduled campus area. This system was designed to ensure that it was effective in addressing the transportation challenges faced by students and staff. Use the full potential of bus transportation in the campus area to ensure continuity between stops and city transportation. Therefore, this approach reduces waiting times and schedules to overcome challenges posed by passenger accumulation for structured campus transportation services. Keywords—Shuttle Bus; Genetic Algorithm; Campus Area; Minimize Waiting Time; Scheduling; Optimization.
Rancang Bangun Pengendali Kursi Roda Elektrik dengan Voice Recognition Module untuk Penderita Quadriplegia I Gede Eka Saputra; I Kadek Wisnu Wirawan; I Ketut Aryasuta; Cokorde Gede Indra Partha; I Gusti Agung Putu Raka Agung
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P16

Abstract

Penelitian ini bertujuan untuk meningkatkan mobilitas penyandang quadriplegia dengan merancang dan membangun kursi roda yang dikontrol melalui perintah suara. Metode penelitian mencakup pengumpulan data, desain menggunakan Fusion-360, perakitan kerangka dan sistem elektrik, pemrograman Arduino Nano, serta pengujian dan kesimpulan. Kursi roda ini dilengkapi dengan modul pengenalan suara untuk menerima perintah, Arduino Nano Atmega328P sebagai pengolah input dan output, dan sensor ultrasonik SRF-05 untuk sistem pengereman otomatis. Hasil menunjukkan kursi roda dapat dikontrol sesuai perintah suara dengan keberhasilan 75%. Sensor ultrasonik SRF-05 mampu mendeteksi hambatan hingga 400 cm dengan dimensi minimal hambatan 1,5 cm diameter dan 15 cm tinggi. Konsumsi energi terbesar adalah 37-Wh untuk pengguna seberat 76 kg dengan waktu operasi 21,17 menit. Kata Kunci— Voice Recognition; Electric Wheelchair; Quadriplegia.
Perencanaan dan Implementasi Optical Distribution Point Dua Kompartemen Untuk Meningkatkan Performansi Jaringan Fiber Optik Komang Agus Putra Kardiyasa; Nyoman Gunantara; Made Sudarma
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P07

Abstract

This research addresses challenges in the Optical Distribution Point (ODP) in fiber optic networks, starting with identifying issues affecting network performance. The study emphasizes the importance of reliable ODPs in enhancing overall network efficiency. Through careful planning and evaluation, this research focuses on designing a two-compartment ODP system. The research findings highlight that robust ODPs positively impact network performance by improving signal quality, transmission speed, and overall reliability. The study also explores the economic feasibility of implementing this system, ensuring that the proposed ODP solution is not only technically superior but also cost-effective based on feedback from 360 respondents, stating that the 2-Compartment ODP device can reduce operational costs and network infrastructure maintenance. This research provides valuable insights into the field of optical fiber communication, laying the groundwork for future advancements in network planning and infrastructure, ultimately aiming to optimize the performance of fiber optic access networks.
Analisis Tingkat Efektivitas UI/UX Sistem Informasi I Gede Hadi Darmawan; I Nyoman Satya Kumara; Yoga Divayana
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P12

Abstract

Good applications and information systems have an attractive interface that is easily understood by users. A good system must also be widely accepted and used by all users. Analysis of the level of effectiveness of UI/UX information systems has been using various types of different methods so that it takes a relatively long time to learn each method that is most suitable and effective. Therefore, this study aims to analyze the level of effectiveness and efficiency of the interface and user experience (UI/UX) of information systems based on various types of methods that are generally used. The method used in this research is the literature study method, by exploring and analyzing previous research related to the measurement and analysis of UI/UX in the context of information systems. The results of this research show that the level of effectiveness of UI/UX of information systems can be measured quantitatively, accompanied by statistical analysis that reflects the level of effectiveness of the 5 commonly used methods in general. In addition, this research also shows the obstacles faced in improving the effectiveness of UI/UX in information systems, as well as the importance of paying attention to good UI/UX so that users are comfortable and can easily use the system. The output of this research can provide new insights related to how much the level of effectiveness of UI/UX on information systems. And can be a reference for other studies in choosing the appropriate UI/UX effectiveness measurement analysis method.
Rancang Bangun Six Step Inverter untuk Motor Brushless Direct Current Outrunner pada Sepeda Listrik Muhammad Ali Maskur; Ony Asrarul Qudsi; Indra Ferdiansyah
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P03

Abstract

In general, BLDC motors have a position sensor (hall sensor) in them, where there is a hall sensor, this will provide position information feedback to the observer so that by using the sensored method the motor operation can be carried out properly because the control is perfectly synchronized with the rotor position. This research discusses regulating the speed of a brushless DC motor using a BLDC inverter motor control method, namely six-step commutation. This system uses a modified folding bicycle concept, with the controller coming from a microcontroller integrated with an Android application to monitor measurement data. Tests were carried out partially and integrated the entire system without load and using mechanical loads. The test results in this research are that the three-phase inverter has an error rate of 0.75%, as well as the voltage sensor which has an error rate of 0.49%, and the current sensor with an error rate of 0.994%. The motor speed produced by the inverter will increase as the input voltage increases. The maximum speed that an electric bicycle can reach is 30 km/h. Battery voltage, current and power measurement data is sent in real time to the Android application. Keyword— BLDC Motor, Three-Phase Inverter, Six-Step Commutation, Hall Sensor, Electric Bicycle
Kemandirian Energi Listrik di Pasar Seni Kuta dengan menggunakan Sistem PLTS I Dewa Gde Bayu Wiranatha; Rukmi Sari Hartati; I Nyoman Setiawan
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P17

Abstract

The Kuta Art Market, is a modern market that was recently revitalized in 2023. The building has renewable energy potential of PLTS on the roof area, when this potential can be exploited then the electricity consumption of the Kuta Art Market Building is no longer supplied by conventional power plants (PLN) but will enjoy clean energy of autonomous plants such as PLTS. The aim of this study is to identify the potential for generating electricity on the roof of the Kuta Art Market, determine the capacity of the battery as a reserve source of energy and the value of the investment. The research steps of this thesis calculate the solar energy potential in the area of the Kuta Art Market by using PVsyst software, collect the load profile of the Kuta Art Market. The next step is to compute the capacity of the PLTS - inverter then determine the battery capacity required according to the load profile of the Kuta Art Market and then determines the investment cost to build the solar power plant on the rooftop of the Kuta Art Market as well as to evaluate the potential cost savings that can be achieved by using solar energy as a primary resource. The total roof area of the Kuta Art Market is 780,455 m2 with energy potential of 166,23 kW. Based on the design results, PLTS will be built with a capacity of 61,6 kWp, with total battery capacity 3200 Ah. Total investment of Rp. 1,162,938.563 is required for the construction of PLTS, a payback period of 15 years 8 months, NPV of Rp. 204,439.887,26 and IRR of 8,06%. Based on the values above, it indicates that the PLTS project on the roof of the Kuta Art Market building is feasible to carry out.
Analisis Deteksi Kemiripan Dokumen Tugas Mahasiswa pada LMS Undiknas Menggunakan Metode K-Shingling dan Cosine Similarity Komang Nova Artawan; Made Sudarma; Nyoman Gunantara
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P08

Abstract

Aplikasi LMS (Learning Management System) pada salah satu perguruan tinggi swasta di Bali yaitu Universitas Pendidikan Nasional (Undiknas) mulai dikembangan sejak adanya kewajiban untuk melakukan pembelajaran secara daring saat pandemi COVID melanda, dan hingga saat ini penggunaan LMS Undiknas digunakan untuk menunjang implementasi dari proses pembelajaran jarak jauh agar dapat dilakukan secara digital. Salah satu hal yang perlu diperhatikan dari metode pembelajaran jarak jauh tersebut adalah terkait bagaimana memastikan bahwa mahasiswa telah paham dengan materi pembelajaran yang diberikan secara daring. Hal tersebut dapat dilakukan dengan memberikan tugas yang harus dikerjakan oleh mahasiswa. Namun, pemberian tugas melalui LMS juga dapat menjadi celah untuk mahasiswa melakukan kecurangan dengan kerap ditemukannya bahwa antar mahasiswa melakukan duplikasi jawaban tugas dari mahasiswa yang lain. Sehingga, dalam penelitian ini dilakukan upaya untuk mengatasi permasalahan tersebut dengan melakukan analisis fitur deteksi kemiripan dokumen tugas mahasiswa pada LMS Undiknas dengan metode K-Shingling dan Cosine Similarity agar dapat digunakan oleh dosen untuk mendeteksi persentase kemiripan dari dokumen pengumpulan tugas tiap mahasiswa. Berdasarkan tahap training dan tahap testing yang telah dilakukan, didapatkan kesimpulan bahwa pada rasio partisi data 70% (training) dan 30% (testing), deteksi kemiripan dokumen tugas mahasiswa dengan menggunakan preprocessing teks dan nilai parameter K = 9 pada metode KShingling diperoleh nilai akurasi sebesar 73,55% pada tahap testing yang menunjukkan performa dan tingkat keberhasilan sistem dalam melakukan deteksi kemiripan dokumen jawaban tugas mahasiswa, dan nilai akurasi pada tahap testing ini lebih tinggi 8.24% dibandingkan nilai akurasi pada tahap training. Kata Kunci— LMS Undiknas, Kemiripan Dokumen Tugas, KShingling, Cosine Similarity.

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