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Risanuri Hidayat
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Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada Jl. Grafika No 2. Kampus UGM Yogyakarta 55281
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INDONESIA
Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Published by Universitas Gadjah Mada
ISSN : 23014156     EISSN : 24605719     DOI : 10.22146/jnteti
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Topics cover the fields of (but not limited to): 1. Information Technology: Software Engineering, Knowledge and Data Mining, Multimedia Technologies, Mobile Computing, Parallel/Distributed Computing, Artificial Intelligence, Computer Graphics, Virtual Reality 2. Power Systems: Power Generation, Power Distribution, Power Conversion, Protection Systems, Electrical Material 3. Signals, Systems, and Electronics: Digital Signal Processing Algorithm, Robotic Systems and Image Processing, Biomedical Instrumentation, Microelectronics, Instrumentation and Control 4. Communication Systems: Management and Protocol Network, Telecommunication Systems, Wireless Communications, Optoelectronics, Fuzzy Sensor and Network
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 644 Documents
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Prototipe Sistem E-Learning dengan Pendekatan Gaya Belajar VARK (Kasus: Politeknik Indramayu) Eka Ismantohadi; Lukito Edi Nugroho; Sri Suning Kusumawardani
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.436 KB)

Abstract

The process of forming knowledge on school or college learning for each student has different characteristics. In the learning process, there are learners with capability to memorize, and then shape it into visual knowledge, while the others can easily recall the information and shape it into aural knowledge and also ability to read/write and to learn practice into kinesthetic ability. Basically, every individual has various learning styles, but they may dominant and has a tendency to a particular learning styleThis study tries to build a prototype of E-learning system to identify the characteristics of students learning styles using Visual, Audio, Read and Kinesthetic (VARK) approach. The results of this identification will also provide recommendations in accordance with the materials needed suitable with the learning styles of each student. This will help students to easily understand the learning materials. This study was constructed in a web-based system using PHP and MySQL.The results indicated that the system can identify the students learning styles by filling out a questionnaire with VARK approach to find out the best learning style suitable to them based on VARK approach. In addition, this system also gives course material recommendations based on the learning styles of VARK approach.
Persepsi dan Perilaku Organisasi pada SKPD dalam Pelaksanaan e-Procurement di Kota Magelang Kurnia Hardjanto; Wing Wahyu Winarno
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (305.982 KB)

Abstract

Bad perceptions of conventional procurement of goods and services in government offices, with all of its problems, make some government officials are reluctant to become committee or electronic procurement officials. E-Procurement systems have an impact on organizational behaviour in government procurement of goods and services. This study aims to determine the perception of e-Procurement systems and organizational behaviour changes that occur in the implementation of e-Procurement in Kota Magelang. This research uses survey method, where respondents fill out a questionnaire related to the research variables. Respondents are employees involved in the activities of e-Procurement in Kota Magelang, They are Pejabat Pembuat Komitmen (PPKom), Unit Layanan Pengadaan (ULP) and LPSE staff members, with total respondents are 40 peoples. Six hypotheses are tested using PLS and all of them supported by analysis of data
Perancangan dan Analisis Sistem Komunikasi Serat Optik Link Makassar-Maumere Menggunakan DWDM Fitria Ayu Nurdiana; Sugito; Sofia Naning Hertiana
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Today, the Palapa Ring project launched by the government is focused on development in Eastern Indonesia. The fiber optic is chosen for backbone network because fiber optics have wide bandwidth, thus allowing delivery of messages on various services. This study designs an optical backbone network for connecting Makassar and Maumere. This design uses several parameters, both technical and non-technical, such as human activities and sea conditions connecting the two regions. This design also uses the power link budget and the rise-time budget as reliability parameters. The results show that maximum BER is 5.892 x 10-11, which is still below the standard, 10-9.
Aplikasi Grafologi dari Huruf “t” Menggunakan Jaringan Syaraf Tiruan Iwan Awaludin; Aulia Khairunisa
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Graphology is a branch of science which classifies human personality from handwriting. Graphologists observe the patterns of handwriting and compare it with personality class database. Computers can be trained to do the same procedure of human personality classification based on handwriting. The procedure is to perform digital image processing that extracts features from handwriting images. The features will become input for Artificial Neural Network. Neural networks that are already configured with a number of hidden layers, the number of neurons, activation function, and the particular learning algorithm will be able to recognize certain classes of human handwriting, thus his personality. Tested configurations include: changing the number of neurons in the hidden layer of eight to twelve, binary image resizing, changing the activation function, and also changing the learning algorithm. Results of simulation and analysis are also provided.
Desain Real-Time Monitoring Berbasis Wireless Sensor Network Upaya Mitigasi Bencana Erupsi Gunungapi Johan Pamungkas; Wirawan
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (281.916 KB)

Abstract

Geological layout contributes Indonesia in becoming one of the most dangerous countries with natural disasters. The eruption of volcano is one of the most dangerous natural disasters in the world. However, our efforts in disaster mitigation is not enough, especially in developing new mitigation technology. We already know that the Wireless Sensor Network (WSN) technology can be an alternative electronic communications technology that can be used in disaster mitigation because the WSN has the ability to communicate using Radio Frequency (RF) and can be connected to a digital or analog sensor. Then, the Computer Personal Unit (CPU) in WSN is used to run the protocols, such as hop-to-hop protocols. Later, we can build a monitoring system that have small size, energy saving, low cost, and capable to show real-time monitoring. The problem that must be solved in this research is how to make a design communication based on WSN that have accordance with the extreme conditions like at Kelud Volcano. Currently, with utilization of temperature sensor and gas sensor and delivery schedule of data packets as parameters, we want to find how to test the design with minimal electricity supply.
Perancangan Broadband RF Power Amplifier 2,3 GHz pada 4G LTE Time Division Duplex Syifaul Fuada
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

This paper reports a design of Broadband RF Power Amplifier TDD 4G LTE operating at frequency 2,3 GHz – 2,36 GHz, according to the working frequency of the service provider Smartfren’s BTS. This RF Power Amplifier uses class A amplifier with GaN HEMT transistor type CREE CGH40120F. This design is simulated using Advanced Power Design program (ADS) version 2014. The simulation results show that the Power Amplifier is stable (K> 1) at a frequency of 2.3 GHz with the S11 and S22 match, generating 43.44 dBm output power 22,08 Watt with a gain of 10.5 dB, return loss of <-5 dB, and maximum power supply efficiency of 39.8%.
Manajemen Daya Listrik dengan Sistem Automatic Transfer and Synchronization Switch berbasis PLC Supriono; Seno D. Panjaitan
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

In the current electric energy supply crisis, Indonesian Government encourages the citizen to save electric energy. Therefore, we should control the electric power consumption in the offices or houses intelligently. Using one of automation technologies, Programmable Logic Controller (PLC), we can control electricity usage in our surroundings. This research focuses on the development of Automatic Transfer Switch (ATS) system to become Automatic Transfer and Synchonization Switch (ATSS). The system can monitor electric power consumption connected to PLN. If the electric power consumption has reached > 80%, then the generator as electric energy back up supply will support in a synchronized way. If electric power load is < 80% then automatically the generator is non-active. ATSS can become an ATS as well. It is an electric energy back up power supply when supply from PLN is cut. The result shows that a 900 watt electric power PLN, with 1.060 watt maximum load, and 300 watt support generator synchonization, can support a load of 1.450 watt.
Perhitungan Biaya Sewa Jaringan Distribusi pada Renewable Portfolio Standard Menggunakan Metode MVA-KM Taufiq Indraputra Suharjono; Sasongko Pramono Hadi; Yusuf Susilo Wijoyo
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 3: Agustus 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

The main problem of the implementation of Renewable Portfolio Standard (RPS) is due to its location away from the consumer. One solution to these problems is the implementation of the Pemanfaatan Bersama Jaringan Distribusi (PBJD). This study aims to analyze the economic aspects of the use of PBJD in the application of the RPS, the determination of the transmission cost. The cost allocation methods used in this paper are MVA-KM method and Unused Transmission Capacity method with Absolute, Reverse and Dominant approach.
Pemilihan Ciri Vokal Indonesia untuk Animasi Lip Sync Anung Rachman
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 2: Mei 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (164.896 KB)

Abstract

Recently, voice recognition technology is widely used to produce lip sync animation. However, the reference in current speech recognition system is not in Indonesian language, and therefore, the results in Indonesian system become inaccurate. To develop a better, suitable system, Indonesian vowels should be used in the speech recognition systems. Because there is a vowel in every syllable, vowels have an important role in lip sync animation. Hence, features of vowels need to be selected properly to increase accuracy of the system. This process can be performed by comparing mean of formant values of a vowel in a word at each position; the front, the middle, and the back. The results show different values for those three positions. If the values are significantly different, the formant values are unfit for vowels reference of voice recognition system. The result of this research shows that the formant values of vowel 'i' and 'o' are not different significantly in all positions. Formant values of vowel 'a' and 'u' do not differ significantly in only one position. And the values of formant of vowel 'e' are significantly different between each position.
Verifikasi dan Identifikasi Telapak Tangan dengan Kernel Gabor Muhammad Kusban
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 2: Mei 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.796 KB)

Abstract

In recent years, biometric recognition has been rapidly developed and still continues to grow. Researchers are combining several algorithms to obtain a more robust feature. In this study, Gabor kernel methods, principle component analysis (PCA), detection error trade-off (DET), expected performance curves (EPC), and cumulative match characteristic (CMC) is combined and used to obtain the features of palm print. This experiment shows that the combination of Gabor and PCA methods, using 240 items of data, gives an optimum result in palms identification and authentication.

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