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Lie Jasa
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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 611 Documents
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Audit Tata Kelola Sistem Informasi Manajemen Keuangan Daerah Menggunakan Kerangka Kerja Cobit Domain PO Dan Itil Studi Kasus Di Kantor Pemerintah Daerah Kabupaten Klungkung Putu Agus Pradnyana Jaya; I Made Oka Widyantara; Linawati Linawati
Jurnal Teknologi Elektro Vol 16 No 1 (2017): (January - April) 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.1601.08

Abstract

Teknologi informasi saat ini memiliki peranan yang sangat penting dalam dunia pemerintahan. Pemanfaatan teknologi informasi yang ada harus diimbangi dengan pengaturan dan pengelolaan yang tepat sehingga memberikan manfaat yang efektif bagi penggunanya. Pada penelitian ini membahas mengenai audit tata kelola SIMDA Keuangan di lingkungan kantor Pemerintah Daerah Kabupaten Klungkung dengan menggunakan framework COBIT 4.1 domain PO (Plant and Organise) sub domai PO1, PO2 dan PO7 dan Framework ITILV3.  Tujuan dari penelitian ini adalah untuk meningkatkan manfaat aplikasi SIMDA keuangan dengan standar COBIT 4.1 dan ITIL V3 dan nantinya dapat menghasilkan suatu rekomendasi pengelolaan aplikasi SIMDA Keuangan dalam upaya peningkatan kualitas tata kelola TI yang dimiliki. Metode pengumpulan data yang digunakan dalam penelitian ini adalah observasi dan kuesioner dengan responden yang telah ditentukan berdasarkan tugas dan fungsinya. Responden audit tata kelola SIMDA Keuangan di lingkungan Kantor Pemerintah Daerah Kabupaten Klungkung ini terdiri dari PPK (Pejabat Penatausahaan Keuangan) dan Bendahara di seluruh entitas Pemerintah Kabupaten Klungkung yang jumlahnya sebanyak 86 responden. Kesimpulan dari penelitian ini adalah sebagian besar penerapan COBIT (domain PO) pada tata kelola TI di kantor Pemerintah Daerah Kabupaten Klungkung berada pada level 3, dengan menggunakan framework ITIL yang sebelumnya telah dipetakan dengan domain COBIT yang digunakan akhirnya dapat dibuatkan beberapa rekomendasi dalam upaya meningkatkan tata kelola TI di Kantor Pemerintah daerah Kabupaten Klungkung. Secara garis besar, rekomendasi yang dihasilkan meliputi pembenahan renstra daerah yang didalamnya terkait dengan visi-misi daerah mengenai penerapan TI, perbaikan infrastruktur TI yang digunakan serta pembenahan Sumber Daya Manusia yang digunakan sebagai pengelolanya. DOI: 10.24843/MITE.1601.08
Optimasi Penempatan Recloser untuk Meningkatkan Keandalan Menggunakan Metode Virus Evolutionary Genetic Algorithm (VEGA) Novadianto Yudha Irawan; Anak Agung Ngurah Amrita; Widyadi Setiawan
Jurnal Teknologi Elektro Vol 17 No 2 (2018): (May - Agustus) 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.2018.v17i02.P03

Abstract

Kutampi Diesel Power Plant that supplies the Lembongan Island electrical system has a reliability value index that has not met the standard with SAIDI 95.85 hours / customer / year and SAIFI 76 times / customer / year while the WCS standard for SAIDI is 2.5 hours / customer / year and SAIFI is 3 times / customers / year. Reliability value can be improved one of them by adding recloser. The addition of the recloser should pay attention to the area of frequent interference, the percentage of load and impedance of the electricity system. The VEGA method was used to determine the optimal recloser location by minimizing the SAIDI and SAIFI values. The result of the optimization method using VEGA shows optimal recloser location in the group 5 with the highest fitness 8,8396 with SAIDI 0,0070 hour / customer / year and SAIFI 0,0061 times / customer / year with program running time ± 3,6 minutes. These values indicate the VEGA method is more accurate than the fuzzy and genetic algorithm combination method but requires a longer running time.
Data Logger Suhu Dan Tekanan Pada Smart Biogas Sampah Rumah Tangga Menggunakan MPX5500DP Ratna Ika Putri; Muhammad Rifa'i; Abella Novatna Anjarsari
Jurnal Teknologi Elektro Vol 19 No 1 (2020): (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.2020.v19i01.P09

Abstract

Abstract— The process of processing household waste into biogas is carried out using fermentation technology. Fermentation technology is the process of decomposition of organic compounds to produce energy and changes in the substrate become new products by microbes. In addition, the fermentation technique that has been done by fermenting household waste produces methane gas content (CH?). To process household waste into biogas is to use biodigester. Biogester is a closed space that is used for the waste fermentation process which is assisted by microbes. Using a biodigester is expected to accelerate the fermentation process of household waste into alternative biogas materials because of the airtight biodigester state. A temperature and pressure data logger tool is designed on smart biogas household waste using the MPX5500DP sensor. The MPX5500DP sensor will detect the amount of gas pressure from the biogas results because the range of readings from this sensor is in accordance with what is needed, while the DHT22 sensor uses a large temperature reading because the temperature in the biodigester is not too large between 28?C - 40?C. From the results of reading the temperature and pressure values, the data will be processed by the Arduino Uno Microcontroller and stored data by the data logger. Based on the test results, the temperature measurement error readings of 0.81%, while for the pressure measurement of about 3.5%.
Literature Review Metode Reduksi Harmonisa Berbasis Kecerdasan Buatan pada Multilevel Inverter Gede Patrianaya Margayasa Wirsuyana; Linawati Linawati; Ida Bagus Gede Manuaba; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 21 No 1 (2022): (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.2022.v21i01.P08

Abstract

Multilevel inverter (MLI) is one type of inverter that has a multilevel output voltage. Although its better than conventional inverters, the MLIs operating at low frequency still contains low-order harmonics at the output voltage and current which have a negative impact on electrical system. To overcome these problems, Many researchers have developed various control and modulation techniques on inverters to reduce harmonics and minimize switching losses with the aim of optimizing inverter’s efficiency. Selective harmonic elimination pulse-width modulation (SHEPWM) is the most optimal control of all methods that have been developed to remove low-order harmonics from the inverter output voltage. However, there are challenges in the MLIs analysis process using SHEPWM because solving these equations is difficult. Bio-inspired intelligent algorithms (BIAs) is used to solve this problem. This paper describes in full a review of various studies that have been carried out previously related to the operating principle of nine types of BIA and their application in reducing harmonics. The conclusions has been made on the basis of information extracted from the literatures. All important information in this paper regarding harmonic reduction in MLI will help future research to design efficient power conversion systems. Keywords— Bio-inspired algorithm, harmonics, multilevel inverter, optimization, selective harmonic elimination.
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.
STUDI ALIRAN DAYA JARINGAN DISTRIBUSI 20 KV DI BALI DENGAN METODE YANG LEBIH CEPAT I Nyoman Setiawan
Jurnal Teknologi Elektro Vol 6 No 1 (2007): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Metode analisa aliran daya pada sistem distribusi radial telah banyak dikembangkan. Salah satu metode yang cukup baik telah diusulkan oleh Mekhamer. Metode ini lebih sederhana dari Newton Raphson dari segi perhitungan iterasi, tidak perlu membentuk admitansi bus dan tidak perlu menggunakan matrik Jacobian.Kedua metode ini dicobakan pada Penyulang Bukit Jati dan VIP 2 merupakan penyulang-penyulang yang digunakan sebagai obyek analisa aliran daya. Penyulang Bukit Jati adalah penyulang di wilayah Bali Timur, sedangkan Penyulang VIP 2 adalah penyulang di wilayah Bali Selatan.Hasil analisa dengan metode ini dibandingkan dengan metode Newton Raphson. Metode pendekatan yang digunakan ini lebih cepat, walaupun jumlah iterasi yang diperlukan lebih banyak daripada metode Newton Raphson. Untuk hasil tegangan bus kedua metode menunjukkan hasil yang mendekati sama. Dalam semua analisa, metode ini menunjukkan hasil yang baik, tidak mengalami masalah konvergensi, sehingga analisa aliran daya padaj aringan distribusi 20 kV di Bali dapat deselesaikan dengan baik.
PENGEMBANGAN PLUGIN UNTUK RESERVASI HOTEL PADA MESIN CMS WORDPRESS I Made Sukarsa; Kadek Yartono
Jurnal Teknologi Elektro Vol 9, No 2 (2010): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Website is a very important medium for promotion in the field of business. The existence of the website allowsthe transaction process is done online. Online transactions has provided various facilities both in the consumer andbusiness owner. One is for the hotel reservation online (via website) which allows the reservation process can bedone without having to go to your hotel destination.Development of a website from scratch requires a cost, time and great energy. WordPress is a CMS (ContentManagement System) that can be used to build a website that can be done quickly and cost-efficient. WordPress hasthe components (plugins) that can be added and subtracted as you wish. Based on a search on internet (2010) has notbeen available free plugin to handle the reservation process. Therefore it is necessary to develop a plugin to meetthose needs.This plugin can handle the addition of master data for a hotel room, reservation by a travel agent or without atravel agent (individual or group), blocking list that displays the data-filled room or empty, the process of checkingin and checking out, as well as additional data and making travel agent report.
Pemanfaatan Autotransformator Sebagai Pengontrol Arus Start Motor Induksi Tipe LH 73204 Guna Menjaga Kesetabilan Tegangan Listrik di Laboratorium Konversi Energi Teknik Elektro Universitas Udayana I Wayan Lastera -
Jurnal Teknologi Elektro Vol 18 No 2 (2019): (Mei-Agustus) 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.2019.v18i02.P09

Abstract

Practicum activities at the Energy Conversion Laboratory of Electrical Engineering Udayana University, using induction motors that operated directly connected to the power source, so that start current of the motor becomes large enough to cause electrical voltage stability to be disturbe. Conditions like these can damage other laboratory equipment. So that research using autotrasformator as a starting, the aims to produce a model of controlling the starting current on the operation of induction motor Type LH73204. In research, the input voltage to the motor is gradually lowered from 220 Volts to 88 Volts with autotransformator at the start of the motor, then motor starting current is observed for each phase of the input voltage drop. Data were tabulated and analyzed descriptively, showed that the utilization autotransformator starting current operation induction motor type LH 73204 capable suppressed 44,11% or 3 Apere lower. so that becomes a model and test method for controlling the starting current induction motor. This model is very useful for maintaining electrical voltage stability, so that laboratory equipment works optimally.
Peramalan Nilai Tukar Rupiah Terhadap Mata Uang Negara Asia Menggunakan Metode Quantum Neural Network Putu Risanti Iswardani; Made Sudarma; Lie Jasa
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (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.2021.v20i01.P18

Abstract

Mata uang merupakan sebuah alat pembayaran yang digunakan di seluruh dunia. Setiap mata uang memiliki nilai yang bervariasi pada setiap negara, sehingga negara yang satu memiliki nilai mata uang yang berbeda dengan negara lainnya. Asia merupakan sebuah benua terbesar dan terluas di dunia. Sebagian besar wisatawan yang mengunjungi Indonesia berasal dari Asia. Sehingga pertukaran mata uang terbanyak yaitu mata uang dari negara-negara yang ada di Asia. Mata uang digunakan sebagai alat tukar antar negara yang bernilai disebut nilai tukar. Perbedaan nilai tukar antara satu negara dengan negara lainnya dipengaruhi oleh beberapa faktor. Salah satu faktor yang mempengaruhi perbedaan nilai tukar yaitu faktor inflasi yang ada di setiap negara. Untuk mengatasi hal tersebut, perlu adanya sebuah permalan nilai tukar yang dapat digunakan untuk memprediksi nilai tukar dimasa mendatang. Quantum Neural Network pada penelitian ini digunakan untuk memprediksi nilai tukar Indonesia dengan Beberapa Negara di Asia. Mata uang yang digunakan pada penelitian ini yaitu pertukaran mata uang Indonesia dengan Singapore, Hongkong dan Japan. Hasil yang didapatkan pada penelitian ini yaitu nilai akurasi pada Prediksi Nilai Mata Uang dengan menggunakan Quantum Neural Network sebesar 99.78% pada Singapore Dollar ke Indonesia Rupiah, 99.57% pada Hongkong Dollar ke Indonesia Rupiah, dan 99.60% pada Japan Yen ke Indonesian Rupiah.
Pengelolaan Barang Milik Negara Menggunakan Sistem Pendukung Keputusan Berbasis C5.0 Pande Made Sutawan; Made Sudarma; Nyoman Gunantara
Jurnal Teknologi Elektro Vol 22 No 1 (2023): (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.2023.v22i01.P16

Abstract

The recording of State Property at Udayana University on SIMAK-BMN has been carried out well, but the recorded State Property data only supports the preparation of balance sheets, lists of goods, reports of goods and control cards. The amount of data that is increasing every year has not been utilized optimally. The large amount of data at Udayana University and the superiority of K-Means in data grouping makes it possible to group data at the preprocessing stage using K-Means, then forming decision tree rules using C5.0 which is a refinement of the ID3 and C4.5 algorithms. The variables used in the formation of the decision tree are conditions, useful life and warranty period. The results of the study show that the decision tree rules that are formed are first checking the useful life, secondly checking good and other than good conditions, thirdly checking damaged conditions, namely lightly damaged and heavily damaged, and fourthly checking the warranty period. The recommendations generated by the decision support system are 2,894 preserved items, 1,397 deleted items, 112 maintained items with guarantees and 18 maintained items without warranty, out of a total of 4,421 items. The accuracy obtained is 97.69% calculated using the confusion matrix. Keywords : State property; K-Means; C5.0

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