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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 20 Documents
 1   2 
Search results for , issue "Vol 20 No 2 (2021): (Juli-Desember) Majalah Ilmiah Teknologi Elektro" : 20 Documents clear
Review Literatur Tentang Analisis Kepuasan Layanan Menggunakan Pendekatan Servqual dan IPA I Putu Astya Prayudha; Made Sudarma; Ida Bagus Alit Swamardika
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P04

Abstract

Salah satu faktor dalam persaingan bisnis saat ini adalah kualitas layanan yang diberikan kepada pelanggan. Setiap perusahaan harus memperhatikan kualitas layanan yang diberikan. Beberapa faktor menentukan apakah suatu layanan dianggap berkualitas baik atau tidak yaitu dari internal dan eksternal. Cara untuk mengukur kualitas layanan tersebut misalnya dengan metode Service Quality dan Importance Performance Analysis. Artikel ini membahas penggunaan metode Service Quality serta metode Importance Performance Analysis yang diterapkan di lembaga pemerintah dan swasta. Hasil menunjukkan bahwa penerapan metode servqual dan IPA telah dapat menemukan layanan mana yang menjadi prioritas untuk ditingkatkan di lembaga atau swasta. Hasil dari analisis juga dapat dilihat bahwa bahwa layanan pada lembaga swasta lebih baik dalam memberikan kepuasan kepada pelanggannya dengan nilai 63% dibandingkan pada lembaga pemerintah hanya dapat memberikan nilai 51%.
Desain Sistem Pengukuran Parameter dan Keamanan Penerangan Jalan Umum Tenaga Surya Berbasis Internet of Thing (IoT) Muhaimin Toh-arlim; Alfian Ma'arif; Aninditya Anggari Nuryono
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P18

Abstract

This study proposes a monitoring system for voltage, current, power and safety of solar street lighting (PJUTS) using mobile phones and the Internet of Things (IoT) based Blynk application. Public street lights that are damaged and prone to theft require monitoring and security systems. As a measurement of voltage, current and power, the INA219 current sensor is used. The sensor value will be read by the NodeMCU microcontroller and sent with IoT to be displayed in the Blynk application on the cellphone so that the processed information can be seen. PIR sensors and ultrasonic sensors are used to identify and detect objects around PJUTS lamps so that they can function as safety for street lights. In the estimation of battery charging, the solar cell gets the highest light at the estimated 12:00-13:00 with a value of 99800 and produces 6.97 watts of power, with a voltage of 11.8 volts and a current of 0.6 amperes. The farthest distance a PIR sensor can identify the progress of an object is 5 meters. The size of the data sent to Blynk within 24 hours is 119.16MB.
Desain Inverter Full-Bridge 1 Fasa dengan DSP F28069M Menggunakan Teknik SPWM Ratna Ika Putri; Fahrul Maulana; Herman Haryadi
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P09

Abstract

Abstract- Along with the development of technology, with the inverter you can get temporary electrical energy for several electronic devices using a DC source. In this paper, the designed inverter is a type of 1-phase inverter with an output voltage greater than the input voltage. The inverter uses the SPWM (sinusoidal pulse width modulation) technique, as a switching process. The purpose of this research is to design a single phase full-bridge inverter by adjusting the switching mosfet using DSPF28069M to produce a sinusoidal wave output. A single phase full-bridge inverter is designed by changing the voltage from the battery or power supply from 12-24 VDC to 12-24 VAC. Then the voltage 12-24 VAC is increased by using a step up transformer. The inverter test results of 17 VDC using a 15/220 VAC step up transformer with an efficiency of 81.4%. The results of the SPWM signal with the inverter input 17 VDC, the voltage issued by the inverter is 227 VAC without load, 194 VAC with a load power of 22 Watts, amounting to 178 VAC with a load power of 40 Watts, amounting to 162 VAC with a load power of 88 Watts, and amounting to 154 VAC with a load power of 128 Watts.
Pengembangan Aplikasi Penentuan Rute Pengiriman Barang Berdasarkan Berat dan Time Windows Menggunakan Metode Nearest Neighbour dan Tabu Search Putu Irvan Arya Purwadana; I Made Candiasa; I Nyoman Sukajaya
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P14

Abstract

One of practical example of CVRPTW is delivery. Important factors in delivery are cost, speed, service and consistency. In order for these factors to be met optimally, the capacity and time windows must be considered. Capacity affects service and consistency, so the right route must be choosen with the shortest distance and the right capacity. Time windows affects on the speed and costs so that the delivery must be carried out according specified time and company operating hours. This research purpose to produce delivery routes that consider capacity and delivery time. There are two steps in calculation, which is clustering and searching of optimal delivery route. The clustering step uses a polar angle and the optimal route searching uses the nearest neighbour and the tabu search. The test show that the delivery route generated by the system can make efficiency distance of 12.18%, time of 5.54% and capacity of 1.27% and cost of 12.18%.
Kinerja Jaringan Sensor Nirkabel untuk Model Smart Building I Made Sastra Dwikiarta; Nyoman Putra Sastra; Dewa Made Wiharta
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P05

Abstract

Penggunaan energi pada jaringan sensor nirkabel saat ini bisa dikatakan sangat boros, sehingga dibutuhkan sebuah metode komputasi pada teknologi Internet of Things (IoT) dengan sumber yang terbatas. Konsep penggunaan energi pada IoT perlu diawasi dan dikelola supaya terdapat peningkatan efisensi penggunaan energi sehingga dapat menekan biaya tanpa harus mengurangi kinerjanya. Dalam penelitian ini dibuatlah sebuah prototype sistem kontrol penggunaan energi pada IoT yang nantinya digunakan untuk model Smart Building dalam upaya penghematan energi. Konsep prototipe yang dibuat adalah hybrid network. Pada prototipe digunakan beberapa sensor berfungsi untuk membaca, mengontrol, dan mengirimkan informasi secara realtime dengan protokol zigbee IEEE 802.15.4 dan Wi-Fi ESP8266-01. Model ini diamati dan dianalisis konsumsi energi dan Quality of Service (QoS) transmisi pengiriman data dengan metode clustering. Kinerja pada jaringan bekerja dengan baik dilihat dari kondisi pada lingkungan indoor maupun outdoor. Pengujian konsumsi energi seluruh proses pengiriman data sensor yaitu 0.32 Watt sampai dengan 0.64 Watt dalam waktu 10 Menit, dapat dikatakan komunikasi jaringan pada pengembangan hybrid network ini mengonsumsi energi yang sangat rendah. Total durasi waktu pengujian dengan baterai 12 Volt hingga batas tegangan minimum didapatkan 70 Menit dan tegangan minimal mencapai 7 Volt.
Pembangkit Pertanyaan Otomatis pada Materi Pelajaran Ilmu Pengetahuan Alam Berbahasa Indonesia di Tingkat Sekolah Dasar Berdasarkan Revisi Taksonomi Bloom Veronica Ambassador Flores; Lie Jasa; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P19

Abstract

Creating questions on an exam is a complex process, because this process requires knowledge and takes a long time to make. The process of creating questions can be done more easily, quickly, and structured with the Automatic Question Generator (AQG) system. This application uses the Text Matching Method to find keywords in a paragraph, where the Expected Answer Type (EAT) method would identify these keywords. The EAT method helped to identify the type of answers in a paragraph therefore the type of questions would be recognized. The types of questions used are 5W + 1H consisting of Who, Where, When, Why, What, How, and How Many.The next method is the Template Based Method which played a role in compiling the question sentence based on the pre-registered template. The questions were produced using the Revised Bloom's Taxonomy concept, where these questions consisted of categories (1) remembering; (2) understand; (3) apply; (4) analyze; (5) evaluate; and (6) create. The trial result in 14 learning materials, showed that the application could generate 826 questions with an average level of accuracy of 89%.
Sistem Klasifikasi Musik Gamelan Angklung Bali Terhadap Suasana Hati Menggunakan Algoritma K-Nearest Neighbor Berbasis Algoritma Genetika Tria Hikmah Fratiwi; Made Sudarma; Nyoman Pramaita
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P10

Abstract

Balinese gamelan angklung instrumental music through its sound waves can interfere the waves of human’s thought to decrease brain’s wave frequency. The aim is to affect the psychological condition in term of mood so it will lead to positive stress level with either low or high energy. Music with positive stress level and low energy level is categorized as contentment. Positive stress level music and high energy level is categorized as exuberance. MIR (Music Information Retrieval) is a part of Data Mining which digging information about music’s data. One of them is the mood’s classification which is interpreted by chunks of music data. This research designs and builds the classification system to detect the Balinese gamelan angklung instrumental music’s mood using K-NN algorithm and K-NN based Genetic Algorithm. K-NN is able to overcome the classification problem well. However, behind its excellence, the very sensitive k value setting becomes a weakness. Applying Genetic Algorithm on the K-NN classification system optimizes the optimal k value’s determination. Based on the same training and testing data set, K-NN gives 81,08% (k=6) as the highest accuracy percentage, while K-NN based Genetic Algorithm gives 89,19% (k=4) as the highest accuracy percentage.
Survei Tentang Analisis Sentimen Pada Media Sosial putri agung permatasari; Linawati linawati; Lie Jasa
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P01

Abstract

Media sosial saat ini telah menjadi bagian penting dalam kehidupan sehari-hari tidak hanya untuk kebutuhan pribadi melainkan bisa di gunakan dalam bisnis, serta banyak hal yang bisa dilakukan. Media sosial yang digunakan seperti Facebook, Twitter, Youtube, Instagram, Likenid, dan Whatsapp. Dengan adanya media sosial tersebut banyaknya data yang ada berupa gambar, comment berupa text atau emoticon, video, dan lainnya, sehingga masyarakat bebas beropini. Dengan adanya analisis sentimen opini yang berkembang dan banyak di media sosial tersebut dapat menghasilkan data dan informasi yang bermanfaat. Dalam analisis sentimen diperlukannya algoritma klasifikasi data diantaranya Naive Bayes Classifier, Support Vector Machine, K-NN, RNN, C4.5, Lexicon Based, LDA Based Topic Modeling, dan beberapa algoritma lainnya. Artikel ini menelaah beberapa literature analisis sentimen pada media sosial. Saat ini media sosial yang sering digunakan dalam analisis adalah Twitter dan pengguna algoritma yang dapat meningkatkan tingkat akurasi adalah algoritma Naive Bayes Classifier dan Support Vector Machine. Hasil perhitungan akurasi klasifikasi data berbeda-beda terlihat pada data uji pada penelitian tersebut.
Literature Review Klasifikasi Data Menggunakan Metode Cosine Similarity dan Artificial Neural Network Lely Meilina; I Nyoman Satya Kumara; I Nyoman Setiawan
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P15

Abstract

One of the positive impacts arising from technological developments is the ease in conveying aspirations and in obtaining information very quickly. The benefits of this technological development can be felt by all sectors, including the government sector which must protect the people and the state. In improving the quality of public services, the government must implement a government based on digital information technology. Therefore, the central and regional governments have provided online-based public complaint services. To improve the quality of service, the online complaint system must run optimally. The methods that are widely used to find the similarity of the complaint text are the cosine similarity method and the Artificial Neural Network (ANN) method for classifying complaint data. This study reviews the application of the two methods to determine the level of accuracy before it can be implemented in the online complaint system. The results of the review state that the Cosine Similarity method has an accuracy rate of 71.5% and ANN has an accuracy rate of 77%. While other method have an accuracy rate of 67%. From the percentage of this values, its can be concluded use of Cosine Similarity and ANN methods is feasible to use in classifying data in the Online Community Complaint System.
Penilaian Tingkat Kepuasan Layanan Produk/Jasa dengan Metode Service Quality Model I Putu Sugi Almantara; Made Sudarma; Ida Bagus Alit Swamardika
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) 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.v20i02.P06

Abstract

Product / service satisfaction is one of several factors that can influence a company. Satisfaction is something that can be measured to improve and achieve goals in a company / government institution. The level of satisfaction can be measured by utilizing several methods, including Service Quality. Service Quality can show the difference between the customer's expectations of the company and the services received by the customer and the difference between the expectations and the services received can be seen the level of satisfaction provided by the customer. This study aims to determine the application of the Service Quality method in measuring the level of product / service satisfaction at companies or government institutions with the concept of literature review. The results of the literature review show that the application of the Service Quality method is more widely used in private companies than government institutions. The results also show that product / service service satisfaction is better at government institutions compared to private companies. This is shown in one of the literature which resulted in the achievement of very good levels of satisfaction with service quality in government institutions.

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