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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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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 16 Documents
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Search results for , issue "Vol 7 No 2: Mei 2018" : 16 Documents clear
Menuju Pengenalan Ekspresi Mikro: Pendeteksian Komponen Wajah Menggunakan Discriminative Response Map Fitting Ulla Delfana Rosiani; Priska Choirina; Surya Sumpeno; Mauridhi Hery Purnomo
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1573.841 KB)

Abstract

The observations made in the study of micro-expression are to recognize and track the very subtle movements of certain facial areas and in a short time. In this study, the observation of movement is held in some areas of the face component. The facial and facial components detection is the pre-process stage on micro-expression recognition system. The goal at this stage is to get face and face components accurately and quickly on every movement of the video sequence or image sequence. The face landmark point of the Discriminative Response Map Fitting (DRMF) method can be used to get face components area accurately and quickly. This can be done because the facial landmark points used in this model-based method do not change when objects are moved, rotated, or scaled. The results obtained by using this method are accurate with a 100% accuracy value compared to the Haar Cascade Classifier method with an average accuracy of 44%. In addition, the average time required in the formation of facial component boxes for each frame is 0.08 seconds, faster than the Haar Cascade Classifier method of 0.32 seconds. With the results obtained, then the detection of facial components can be obtained accurately and quickly. Furthermore, the boxes of face components obtained are expected to display the appropriate data to be processed correctly and accurately in the next stage, feature extraction and the classification of micro-expression motion stage.
Pengukuran Ketebalan Lapisan Metal Pada Plastik Berbasis Sensor Inframerah Yaya Finayani; Muhammad Alhan; Sunaryo; Sudarno
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1323.846 KB)

Abstract

Plastic metalization process is carried out by heating the aluminum to its melting point in a vacuum so that the atoms and molecules will be evaporate and stick on to the plastic surface, then forming thin layer accross its surface. PT. Tomoko Daya Perkasa is one of the companies who performs plastic metalization. In doing this process, the company uses rewind machine and metallizing machine. PT. Tomoko Daya Perkasa uses OD-Meter to measure metal coating thickness. This tool is not embedded on the metallization machine. Therefore, a tool that can be mounted directly to metallizing machine is needed to monitor the thickness during the process of metalization. The metal layer thickness gauges are designed using the GP2Y1010AU0F infrared sensor and TSL2561 infrared receiver. Arduino and VB-NET software are used to create the program of the tool. Laboratory test and rewind machine test results show measurement errors of 0.3% and 1.9%, respectively. These error values are still acceptable, because the maximum limit of tolerance applied in PT. Tomoko Daya Perkasa is about 2.5%. In conclusion, the tool works well and can be used as expected.
Model Perencanaan Energi Hijau Menggunakan Metode Computable General Equilibrium Alvina Nur Mala; Rina Mardiati
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1077.914 KB)

Abstract

Energy is a vital element in our daily life. In line with the demands of energy needs, energy, which is influenced by population and economic growth, has increased continuously. The use of energy is still dominated by fossil energy which is become very limited and the output has not been carried out optimally. In order to realize national’s energy independence and energy sustainability, energy planning is very important for the basic of energy policies management. The objective of this research is to predict the sustainability of new and renewable energy consumption based on National’s Energy policy by the end of 2025 in West Java. This research used the Computational General Equilibrium (CGE) method as an approach to describe the energy balance between supply and demand. The simulation was done using a Green Energy (GREN) scenario by adding several key planning with the projection year in 2016-2025. The results show that the increasing of new and renewable consumption’s percentage in 2025 was 12%. It could be concluded that in 2025, the prediction of the sustainability of new and renewable energy consumption in West Java has reach 23%.
Perancangan Sistem Photovoltaic untuk Mesin Pembuat Es di Pelabuhan Perikanan Sadeng Arif Rahman Hakim; Widiarto Sarwono; Luthfi Assadad
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1442.999 KB)

Abstract

Currently, requirement of ice as medium fish cooling in PP Sadeng has not been fulfilled. This causes deterioration of fish quality when received by the consumers. The self production of ice blocks using ice maker machine has not solved this problem due to the highly operating costs, especially fuel. Photovoltaic (PV) systems are expected to overcome this problem. PV systems have high potential, since it is clean, environment-friendly, secure, and renewable. This paper explains the stages of PV system design, including PV module size, battery, solar charge controller, inverter, and also economic feasibility analysis. The results show that energy requirement of ice maker machines is 19,383.60 watts. The PV system consists of 40 units of 260 wp PV module, 82 units of battery 12V 100AH, 11 units of solar charge controller 40 A type MPPT, and 20 units of inverter DC-AC pure sine wave 1,200 W. Economic analysis shows that the life cycle cost (LCC) PV system designed is Rp513,704,165 for 25 years and levelized cost of energy (LCOE) of PV system is Rp1,401 per kWh.
Aplikasi Magnetic Energy Recovery Switch sebagai Dynamic Voltage Restorer pada motor Induksi Dwi Dharma Artakusuma; Fransisco Danang Wijaya; Eka Firmansyah
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1559.715 KB)

Abstract

Renewable energy source likes solar panel and wind turbine have intermittent character from instability power source generated. The instability power source can make dip voltage in power grid which happen in half cycle until few seconds. To stabilize the voltage in power grid from dip voltage, some methods have been developed using power electronics technology like VSI inverter, STATCOM, energy storage, OLTC, and MERS. The power electronic circuits have some advantages, such as small dimensional size and lightweight to keep voltage in power grid. In this paper, the MERS circuit was applied in induction motor which has small full bridge circuit, uncomplexity computation, and low switching frequency, so it needs low end hardware requirement. This paper proposed the use of MERS dc capacitor with 50% value from induction motor resistance. The result shows that MERS has advantage and can keep the voltage in power grid when the voltage below 39% and 15% above rated voltage (220 Vrms) with the recovery time around 0.3 second and keep the dip voltage over 1 second.
Analisis Karakteristik Arus dan Tegangan pada Inisiasi Feroresonansi Transformator Tegangan Rendah I Gusti Ngurah Satriyadi Hernanda; I Made Yulistya Negara; Adi Soeprijanto; Dimas Anton Asfani; Mochammad Wahyudi; Daniar Fahmi
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 7 No 2: Mei 2018
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1195.58 KB)

Abstract

Ferroresonance is an interaction phenomenon between non-linear inductance and capacitance that initiates abnormal waveform of current and voltage. This phenomenon is very sensitive to system parameter and initial condition. In this paper, ferroresonance initiation involved a basic circuit of series ferroresonance with variation of source voltage magnitude on a single phase low voltage transformer. The scheme of experiment was based on the case of transformer energizing. The trends of current and voltage waveform on the primary windings were investigated and transformed by using Fast Fourier Transform (FFT). The harmonics spectrum was then employed to identify the feroresonance mode and calculate the Total Harmonics Distortion (THD) of current and voltage. The experimental results showed that the higher source voltage magnitude caused the ferroresonance responses to be seen more clearly. It was indicated by the more distorted waveform, the higher odd harmonics frequency amplitude especially for 150 Hz, and the greater THD. Based on the harmonics spectrum and wave period, the ferroresonance responses were identified as fundamental mode. The effects of initial conditions, such as residual flux of transformer and capacitor charge, were also seen on the distorted wave peak during transient condition. In addition, the difference of waveform between normal and ferroresonance condition could be more easily observed on the voltage than the current. The waveforms of current and voltage during experiment had been verified by using simulation.

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