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Lie Jasa
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PS Magister Teknik Elektro Fakultas Teknik Unud Jalan PB Sudirman, Denpasar, Bali, Indonesia
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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 17 No 2 (2018): (May - Agustus) Majalah Ilmiah Teknologi Elektro" : 20 Documents clear
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.
Sistem Gerak Robot Mainland Surveillance menggunakan Mecanum Wheel sebagai Militer Robot Fahmizal Fahmizal; Afrizal Mayub; Muhammad Arrofiq
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.P07

Abstract

Robotika dalam aspek kehidupan manusia dewasa ini sangatlah penting. Tidak terkecuali pada bidang milter. Saat ini banyak negara berlomba-lomba menunjukkan kemuktahiran robot ciptaannya dalam bidang militer. Indonesia merupakan negara dengan prajurit tempur yang cukup disegani di tingkat Asia, sebut saja Kopasus (Komando Pasukan Khusus). Satuan prajurit Tentara Nasional Indonesia (TNI) ini sangat handal di dalam pertahanan darat Indonesia. Namun hal ini tidak cukup, saat ini banyak negara-negara melibatkan robot sebagai sarana bantu para prajuritnya. Hal ini lah yang mendorong peneliti untuk ikut mengambil peran dalam membantu para prajurit Indonesia nantinya dalam hal surveillance atau pengamatan dengan bantuan sebuah robot. Peneliti merancang dan mebuat sebuah prototype atau purwarupa robot mainland surveillance yang akan digunakan pada prajurit tentara darat. Tahap awal perancangan mekanisme gerak robot merupakan menjadi titik konsern peneliti. Dengan menggunakan roda platform mecanum wheel, robot mainland surveillance diharapkan memeliki navigasi yang memungkinkan dapat bergerak kesegalah arah.
Desain dan Implementasi Sistem Visible Light Communication berbasis Pulse Width Modulation Angga Pradana; Syifaul Fuada; Trio Adiono
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.P11

Abstract

Design, implementation, and its evaluation of visible light communication (VLC) using 1-PWM is discussed clearly in this paper. The designed system consists of two main blocks: VLC Coordinator that cover DSP and AFE transmitter whereas the VLC client covers the DSP and AFE receiver. The Microcontroller STM32F4 board is employed as DSP device in this project, both for coordinator- and client-side. The VLC demo shows that real-time texts streaming with 10 kb of packet size can be performed well. Our VLC system can be used optimally in 50 to 70 cm of optical channel distance with 0 degrees. In other hands, the maximum bit-rate of this VLC system is limited to 3.3 kbps.
Pemanfaatan ED-255EK Embedded Education Platform sebagai Modul Praktikum Embedded System Berbasis Linux I Gst Md Ngurah Bimantara; I Gusti Agung Pt Raka Agung; Lie Jasa
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.P16

Abstract

The development of embedded systems is of particular concern to the field of technology. Embedded systems have been widely applied in everyday life, such as automatic washing machines, electric stoves, radios, and so forth. So as to give indirect demands to understand the basic configuration of the application of embedded system itself. Learning about the basics of embedded system application can be done using ED-255EK Embedded Education Platform. ED-255EK is powered by an Intel XScale PXA255 CPU that is compatible with ARM Version 5TE ISA, Linux operating system, adopts RISC super-pipeline, and operates at 200/300/400 Mhz with low power consumption. How to operate ED-255EK is to configure the operating system first, such as package upgrades, network configuration and serial communication. Followed by configuration on ED-255EK which includes downloading file system and setting IP Address. The final step is the configuration of the module, which includes the installation of driver files and application programs, so that the input data provided will be displayed on the ED-255EK module and serialized also displayed on the laptop screen. The modules used are LED, LCD, DOT-Matrix, FND, Key-pad, DIP-Switch, Motor Stepper, IrDA, RF, and uWave modules.
Analisis Pemanfaatan Internet di Pusat Pemerintahan Kabupaten Badung I Made Rai Suarimbawa; Linawati Linawati; Nyoman Putra Sastra
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.P04

Abstract

Abstract— Dishubkominfo as ICT implementing agency, currently serves internet connection of all SKPD in Badung Regency Government Center with bandwidth capacity of 200 Mbps and complaints about the stability and speed of internet access is still a lot going on, both from the internal use of SKPD or external from the community. This problem needs to be addressed by analyzing the characteristics of internet utilization traffic and user behavior in each SKPD so that bandwidth management policy will be right on target. This study aims to monitor and model characters from users using NetFlow and NFDUMP. Based on the study results at Badung District Government Center, it was observed that TCP protocol has the highest level of network usage, followed by UDP protocol, and several other protocols. In terms of traffic sources, it is known that social media is the most frequently accessed site by the user. The results of this study can be used as a consideration in increasing the network bandwidth capacity and policies implemented in the Government Center of Badung Regency associated with internet access.
Implementasi Algoritma FP-Growth dengan Closure Table untuk Penemuan Frequent Itemset pada Keranjang Belanja I Gusti Agung Indrawan; Made Sudarma; Lie Jasa
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.P06

Abstract

Algoritma FP-growth adalah algoritma data mining yang digunakan untuk menemukan frequent itemset pada data keranjang belanja. Frequent itemset adalah kelompok barang yang sering dibeli bersamaan dalam satu keranjang belanja. Analisa frequent itemset akan menghasilkan aturan asosiasi. Algoritma FP-growth menemukan frequent itemset dengan mengkompresi data keranjang belanja ke struktur data tree yang disebut FP-tree. FP-tree kemudian dianalisa untuk mengekstrak frequent itemset. Data keranjang belanja selalu bertambah jumlahnya untuk setiap transaksi yang terjadi, sehingga proses penemuan frequent itemset akan membuat FP-tree dari awal secara berulang-ulang setiap kali algoritma FP-growth dijalankan. Agar FP-tree tidak perlu dibuat ulang dari awal setiap kali algoritma FP-growth dijalankan, maka FP-tree perlu disimpan pada media penyimpanan menggunakan format yang sesuai dengan struktur data tree. Penelitian ini menyimpan FP-tree ke tabel pada database dengan struktur closure table. Struktur closure table memiliki beberapa keunggulan sehingga cocok digunakan untuk menyimpan struktur data tree.
Analisis dan Perancangan Sistem Pengelola Data Menuju Implementasi Data Warehouse Untuk Mendukung Administrasi E-Procurement I Gusti Ngurah Adhy Pradhana; I.A.D Giriantari; Made Sudarma
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.P12

Abstract

Abstract— ULP (Procurement Unit) Udayana University is an institution that organizes the procurement process of Goods/ Services within Udayana University, that includes procurement planning, procurement implementation and reporting of the procurement. This study resulted in a data warehouse application that can summarize, integrate historical data and present information from various dimensions that assist stakeholders in analyzing their policy strategies. Information generated from data warehouse will make it easy for reporting of Goods/Services Procurement at Udayana University to summarize the data and also enable stakeholders to view their data from various dimensions. Data warehouse is designed to facilitate the organization in obtaining information for further analysis and can also be a reference in developing other applications. Data warehouse modeling that has built names SIGAP, which has proven to successfully improve the performance of government goods procurement information system in Udayana University. The improvement is the speed and accurity in finding procurement report for stakeholders or other user. This is measured from the feasibility test of the system which showed in satisfaction score for efficiency is 4.31 out of 5.00. This shows that stakeholders or user can get procurement reports faster using SIGAP application than usual method.
Sistem Deteksi Kawasan Bebas Rokok Dengan Menggunakan Sensor MQ-7 Berbasis Raspberry PI Asa Arya Sudarman; Linawati Linawati; Ni Made Ary Esta Dewi Wirastuti
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.P18

Abstract

This paper proposes a smoke detection tool that will be used to find out who will smoke in the classroom environment on campus.Implementation of the system smoker detector using Raspberry PI, sensor, webcam and also motor servo. Sensor that been used on the System to detect smoke from the cigarette is MQ-7, which is detect the ratio of Carbon Monocside (CO) on the smoke. If the system detecting the cigarette, camera of the system will be headed to source of the smoke, capture the subject and then send the photo into telegram through the API using wifi connection. After the university side will monitoring the system and handle the subject whom breaking the rules due to smoking in the campus area is not allowed. The result of the experiment is the system which designed for smoke detector can detect the source of smoke is going well and appropriate regard on the scenario and functionality design. From the results of the prototype, the prototype can detect the smoke that come from cigarettes according the location. The experiment on indoor area show the success level is get almost most value within 15 second and an average distance 300 cm. For result above 400cm get results below 50%.
Analisis Sistem Pembumian untuk Mengamankan Instalasi Listrik di Program Studi Teknik Elektro Fakultas Teknik Universitas Udayana Jimbaran Bali kadek rudi andika setyawan; I Gusti Ngurah Janardana; Ngakan Putu Satriya Utama
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.P05

Abstract

Each building's electrical panel must be connected to grounding system, so that the installation of electricity, equipment and humans residing in the building will be protected from the danger of current or over voltage. This research was conducted to determine the characteristics of the grounding system (single rod, multiple rod s?L and s?L, grid and plate) with the resistance value ? 5 Ohm [2], which can be securing electrical installation in Electrical Engineering Department of Udayana University, this research will be complited using metode based by : Collecting data of resistance soil type (?) at the location of Electrical Engineering Department Faculty of Engineering in Udayana University, calculating the grounding resistance based on data of soil resistance type (?), analyze the characteristics of earthing system with resistance soil type (?) according to the requirement of R ? 5 ? with single rod method, multiple rod s <L and s> L, plate and grid. Based on the research that has been done, rho (?) in the area of Electrical Engineering Department is 256,224 ?-meters. The results of the analysis to obtain the value of R ? 5 ? in get a single rod grounding system, with L = 82 meters, Rsr = 4.98 ?. The multiple rod type s?L, with L = 42 and s = 40 meters, RM = 4.90 ?, while the multiple rod type> L, with L = 42 and s = 43 meters, Rm = 4.98 ?. Type plate with 2x1 meter plate size, in parallel of 10 pieces and t = 4 meters big Rp = 4,56 ? and type of grid with h = 3 meters, L = 1189 meters, big RG 4,79 ?. The grounding system that is possible to install is a grouding type systems plate or grid, since its planting is shallower than the single rod grouding system type, multiple rods s?L and s> L since the limestone ground texture.
Identifikasi Sistem Motor DC dan Kendali Linear Quadratic Regulator Berbasis Arduino-Simulink Matlab Fahmizal Fahmizal; Fahmy Fathuddin; Rudi Susanto
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.P20

Abstract

This paper describes the identification process of DC motor system with experimental technique using indetification tool in Matlab. After the DC motor model system is obtained, the optimal control technique in this case using linear quadratic regulator (LQR) is used to view the system response step. In this research, the motor modification system module with Arduino DC was developed to facilitate in terms of getting the model of DC motor by approaching first and second order models. This module is integrated between Arduino and Simulink Matlab which is used as input-output data acquisition. The result of the system identification process is a model of DC Motor with second order ARX (Auto Regressive Exogenous) modeling. Furthermore, the implementation of LQR control technique with parameter of Q element element is sought by multiplication of transpose matrix C system with matrix C of the system. While the R element matrix in tuning experimentally with value 0.000001. From the test results obtained that LQR control produces a better system response time constant when compared to PID control.

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