Jurnal Rekayasa elektrika
The journal publishes original papers in the field of electrical, computer and informatics engineering which covers, but not limited to, the following scope: Electronics: Electronic Materials, Microelectronic System, Design and Implementation of Application Specific Integrated Circuits (ASIC), VLSI Design, System-on-a-Chip (SoC) and Electronic Instrumentation Using CAD Tools, digital signal & data Processing, , Biomedical Transducers and instrumentation, Medical Imaging Equipment and Techniques, Biomedical Imaging and Image Processing, Biomechanics and Rehabilitation Engineering, Biomaterials and Drug Delivery Systems; Electrical: Electrical Engineering Materials, Electric Power Generation, Transmission and Distribution, Power Electronics, Power Quality, Power Economic, FACTS, Renewable Energy, Electric Traction, Electromagnetic Compatibility, High Voltage Insulation Technologies, High Voltage Apparatuses, Lightning Detection and Protection, Power System Analysis, SCADA, Electrical Measurements; Telecommunication: Modulation and Signal Processing for Telecommunication, Information Theory and Coding, Antenna and Wave Propagation, Wireless and Mobile Communications, Radio Communication, Communication Electronics and Microwave, Radar Imaging, Distributed Platform, Communication Network and Systems, Telematics Services and Security Network; Control: Optimal, Robust and Adaptive Controls, Non Linear and Stochastic Controls, Modeling and Identification, Robotics, Image Based Control, Hybrid and Switching Control, Process Optimization and Scheduling, Control and Intelligent Systems, Artificial Intelligent and Expert System, Fuzzy Logic and Neural Network, Complex Adaptive Systems; Computer and Informatics: Computer Architecture, Parallel and Distributed Computer, Pervasive Computing, Computer Network, Embedded System, Human—Computer Interaction, Virtual/Augmented Reality, Computer Security, Software Engineering (Software: Lifecycle, Management, Engineering Process, Engineering Tools and Methods), Programming (Programming Methodology and Paradigm), Data Engineering (Data and Knowledge level Modeling, Information Management (DB) practices, Knowledge Based Management System, Knowledge Discovery in Data), Network Traffic Modeling, Performance Modeling, Dependable Computing, High Performance Computing, Computer Security, Human-Machine Interface, Stochastic Systems, Information Theory, Intelligent Systems, IT Governance, Networking Technology, Optical Communication Technology, Next Generation Media, Robotic Instrumentation, Information Search Engine, Multimedia Security, Computer Vision, Information Retrieval, Intelligent System, Distributed Computing System, Mobile Processing, Next Network Generation, Computer Network Security, Natural Language Processing, Business Process, Cognitive Systems. Signal and System: Detection, estimation and prediction for signals and systems, Pattern recognition and classification, Artificial intelligence and data analytics, Machine learning, Deep learning, Audio and speech signal processing, Image, video, and multimedia signal processing, Sensor signal processing, Biomedical signal processing and systems, Bio-inspired systems, Coding and compression, Cryptography, and information hiding
Articles
600 Documents
<![CDATA[Alat Pendeteksi Kadar Glukosa pada Urine dengan Metode Naive Bayes ]]>
<![CDATA[Kemalasari Kemalasari]]>;
<![CDATA[Maulida Alvisabrina Ifadah]]>;
<![CDATA[Budi Nur Iman]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 18, No 4 (2022) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v18i4.27238
<![CDATA[Diabetes Melitus (DM) adalah penyakit kronis yang ditandai dengan kadar glukosa darah yang melebihi batas normal yang disebabkan oleh tidak berfungsinya pankreas dalam memproduksi insulin yang cukup. Ketika glukosa berlebih, gula akan dikeluarkan melalui urine yang disebut glukosuria. Sehingga tujuan dari penelitian ini adalah untuk membuat alat pendeteksi kadar glukosa dari urine menggunakan sensor warna dan sensor gas dengan metode naive bayes. Untuk mengetahui jumlah kadar glukosa melalui urin dapat menggunakan larutan benedict. Dari percampuran antara sample urine dan larutan benedict akan dihasilkan perubahan warna yang dapat diukur dengan sensor warna TCS3200. Selain menggunakan sensor warna, digunakan juga sensor gas yaitu MQ-135, dimana cara kerja dari sensor ini adalah mendeteksi bau / kadar amonia dalam sample urine. Data dari kedua sensor akan diolah oleh metode naïve bayes untuk mengetahui hasil klasifikasi dan juga menggunakan metode regresi linier untuk menghitung kadar glukosa darah. Hasil dari penelitian ini dengan menggunakan 16 sample, untuk metode naïve bayes diperoleh akurasi sebesar 93,75%. ]]>
<![CDATA[Desain dan Implementasi Antena Quadrifilar Helix untuk Komunikasi Antarpulau pada Pita UHF ]]>
<![CDATA[Heru Wijanarko]]>;
<![CDATA[M. Hanif]]>;
<![CDATA[Siti Aisyah]]>;
<![CDATA[Kamarudin Kamarudin]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 16, No 2 (2020) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v16i2.15486
<![CDATA[Riau Islands, which consists of thousands of islands and is located in the border area of Indonesia, has its own challenges. Based on this strategic geographical location, there are threats and opportunities to develop inter-island information systems. Wireless long-range communication is considered the most suitable for these conditions. Antennas are an important part of wireless communication. Research and fabrication of the Helix Quadrifilar antenna by utilizing the advantages and consideration of simple, lightweight and inexpensive materials, as the receiver antenna in inter-island communication systems. In this research, the design was carried out with the assist of the Antenna Magus software, measurements were using a Vector Network Analyzer instrument, and testing accomplished under the LOS conditions. The results are fabricated antenna optimum frequency shift of 433 MHz to 452.5 MHz, within 5.88% error percentage. The antenna fabrication, which is measured at a frequency of 433 MHz, obtained return loss -13.06 dB and VSWR 1.5, that meets the criteria of 1 ≤ VSWR ≤ 2. Quadrifilar Helix Antenna fabricated results can receive data from GPS sensors, temperature, humidity, air pressure, wind speed and wind direction of up to 9 kilometers. So that this antenna is suitable to be used as an antenna for inter-island UHF communication. ]]>
<![CDATA[Pembangkitan Ekonomis pada Unit Pembangkit Listrik Tenaga Diesel Telaga Gorontalo Menggunakan Algoritma Genetika ]]>
<![CDATA[Sabhan Kanata]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 13, No 3 (2017) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v13i3.5451
<![CDATA[The increasing daily need towards electrical energy demands for generation companies to conduct operational cost-saving strategy including the generation fuel. One of the strategies that can be done is through economical generation optimization. The genetics algorithm of the heuristics method is known for its ability to overcome the problems characterized as non-linear, non convex, integer/ discrete, not continuous, and a system with a lot of variables. The evaluation technique employing the evolution theory has been applied to the case of IEEE 26 buses power system and diesel power generation in a unit in Telaga, Gorontalo. The result shows that the proposed method is believed to be able to minimize the generation cost better than the previous method. The method is tested by applying for its real system in Telaga, Gorontalo and it is found that the total cost at Rp 20.201.000,00 per hour with total load at 5.000 kW.]]>
<![CDATA[Generator Mini dengan Prinsip Termoelektrik dari Uap Panas Kondensor pada Sistem Pendingin ]]>
<![CDATA[Ryanuargo .]]>;
<![CDATA[Syaiful Anwar]]>;
<![CDATA[Sri Poernomo Sari]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 10, No 4 (2013) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v10i4.1108
<![CDATA[In daily life, it is often found that office buildings and shopping centers use air conditioning system (AC Central) for room cooling. The refrigerant in the cooling system releases the heat into the air with the help of the motor fan. In order to release the heat faster, the condenser pipe winding is designed and equipped with fins. The heat released from the condenser will be discharged to the air. This will lead to global warming if large numbers of air conditioning system are used. In this case, thermoelectric technology is a main alternative solution that can be implemented. Thermoelectric converts heat energy directly into electrical energy. Therefore, in this paper, we design a simple power system by utilizing waste heat energy from a condensor based on thermoelectric method. Based on the result of the experiment, an average temperature of 34°C results in voltage of 3.14 Volts and power of 0.16 Watts.]]>
<![CDATA[Feasibility Study on Electrical Properties of 20 kV Polymeric Insulator Dry Test and Rainwater Test ]]>
<![CDATA[Abdul Syakur]]>;
<![CDATA[A.I.W. Nugroho]]>;
<![CDATA[Hermawan Hermawan]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 17, No 4 (2021) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v17i4.22396
<![CDATA[Insulator is a very important equipment in an electric power system. Ceramic insulators have been widely used to support conductors in 20 kV power lines. The problem of ceramic insulators is that they are heavy, easily contaminated on the surface and require a lot of energy in the manufacturing process. Therefore, polymer insulators were developed. This paper presents the design of an epoxy resin polymer insulator with Titanium Dioxide (TiO2) as a nanofiller. The leakage current test was carried out in a high voltage laboratory by applying an AC high voltage of 50 Hz to the insulator dry conditions and the insulator wetted by rainwater contaminants. The results of the leakage current test in dry conditions are 487.6 μA, rainwater contaminated conditions are 594.93 μA, insulation resistance in dry conditions is 2.07 G-Ohms, and contaminated conditions are 1.41 G-Ohms. Based on the test results show that the insulator leakage current increases up to 22% when the surface of the insulator is contaminated with rainwater. Meanwhile, the insulation resistance decreased by up to 32% in conditions contaminated with rainwater. The value of leakage current and insulation resistance indicates that the epoxy resin insulator with TiO2 as filler is electrically feasible to use.]]>
<![CDATA[Perancangan Sistem Panel Surya Terkendali Dalam Dua Sumbu Untuk Peningkatan Efisiensi Pembangkitan Energi Listrik ]]>
<![CDATA[Porman Pangaribuan]]>;
<![CDATA[Erwin Susanto]]>;
<![CDATA[Rinaldi Aditya Pratama]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 15, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v15i1.12232
<![CDATA[The use of solar panels to get electrical energy from solar energy is one effort to utilize renewable energy resources. Solar panels (solar cells) are instruments that can convert the energy of sunlight into electrical energy. Solar panels are not only used in homes or in certain places, but also in large transport equipment such as cars and on ships. Solar panels are mostly installed in a stationary or static position. Whereas the direction of sunlight will change its angle relative to the surface of the solar panel. The change is increasingly irregular if the vehicle where the panel is located moves in the direction you want to go. Conditions like this cause the absorption of solar energy by solar panels to be less than optimal. In this research, a system has been designed where the solar panel was always controlled so that the direction of sunlight always falls perpendicular to the surface of the solar panel even though it was in a changing location and the direction of the sun's light on the earth's surface was always changing. Solar panels that can maneuver in two axes of motion were controlled by a microcontroller and two servo motors as actuators to adjust the position of the solar panel so that the surface was always perpendicular (following) the direction of sunlight. From the results of the tests, it turns out that solar panels in this research design can produce power 6.51% greater compared to static solar panels output.]]>
<![CDATA[Analisa Peralihan Deviasi Frekuensi Sistem Kendali Frekuensi Tenaga Listrik dengan Metoda Kendali Optimal ]]>
<![CDATA[Heru Dibyo Laksono]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 12, No 1 (2016) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v12i1.2956
<![CDATA[This journal discusses about the analysis of frequency transition deviation of power frequency control system with Optimal control methods. The response of frequency transition deviation of power frequency control system is one of indicator in the performance of the power system during disturbances. These disturbances cause changes in the parameters value which result in power frequency control system will be disrupted and resulted system is not able to work normally after the disturbances. One of disturbance often occurs in power system is a sudden load changes. Sudden load changes cause of decreasing or increasing in the value of frequencies around the center of its operations. By using the optimal control method consists of Linear Quadratic Regulator (LQR) method and Linear Quadratic Regulator with weights function on the output (LQRy) are analyzed frequency transition deviation of power frequency control system type of Non-Reheat, Reheat and Hydraulic. The results obtained for the Linear Quadratic Regulator (LQR) method, the power frequency control system type of Non–Reheat has the smallest values of the transition parameter at the values of the transition parameter power frequency control system type of Reheat and Hydraulic. The values of the transition parameter power frequency control system type of Non-Reheat are 0.1266 seconds in time rise, 0.3451 seconds in settling time, 0.3451 seconds in peak time, 3.1972% in maximum overshoot and 0.0069 in peak value. For the Linear Quadratic Regulator method with weights function on the output (LQRy) power frequency control system type of Hydraulic has the smallest values of the transition parameter compared with the values of the transition parameter power frequency control system type of Non-Reheat and Reheat. The values of the transition parameter power frequency control system type of Hydraulic are 0.0451 seconds in time rise, 0.0731 seconds in settling time, 0.1300 seconds in peak time, 0.0531% in maximum overshoot and 0.0032 in peak value. ]]>
<![CDATA[Studi Pencocokan Plat Kendaraan Dengan Metode Phase Only Correlation ]]>
<![CDATA[Listia Sukma Putri]]>;
<![CDATA[Roslidar Roslidar]]>;
<![CDATA[Fitri Arnia]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 9, No 4 (2011) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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<![CDATA[Salah satu cara pengenalan kendaraan adalah dengan identifikasi plat. Umumnya identifikasi yang dilakukan mengacu pada proses segmentasi tiap karakter dari citra plat. Makalah ini mengajukan suatu metode identifikasi plat yang sederhana tanpa melakukan pengenalan melainkan langsung pada proses pencocokan yang berbasis Phase Only Correlation (POC). POC mencocokkan plat dengan mengorelasikan fasa dari dua citra plat. Fasa diperoleh dengan mengubah citra dari domain spasial menjadi domain frekuensi menggunakan Transformasi Fourier Waktu Diskrit (TFWD). Nilai puncak POC akan tinggi jika citra plat yang dicocokkan adalah citra yang berasal dari plat yang sama. Sebaliknya akan rendah jika yang dicocokkan berasal dari plat yang berbeda. Hasil simulasi menggunakan 20 citra plat menunjukkan bahwa metode POC dapat digunakan dalam pencocokan citra plat.]]>
<![CDATA[Rancang Bangun AirMouse Menggunakan Sarung Tangan Bersensor Berbasis ESP32 ]]>
<![CDATA[Sholahuddin Muhammad Irsyad]]>;
<![CDATA[Achmad Basuki]]>;
<![CDATA[Bima Sena Bayu Dewantara]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 18, No 3 (2022) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v18i3.25816
<![CDATA[Digital interactions are still commonly using indirect media such as mouse and keyboard to provide user input in the form of two-dimensional data. Therefore, to provide intuition in virtual interactions, it is possible to add media that can draw directly in the air or a flat surface that will track hand movements and overall finger position. In this research, we try to track hand movements in real time by capturing the position of the hand and finger curvature using a wearable sensor equipped with an Inertial Measurement Unit (IMU) sensor and a flex sensor installed by the user. Then the system will identify the position of the user's finger bending. and the location indicated by the sensors installed to move the cursor on the screen and simulate left-click and right-click hand movements as with a traditional mouse. By using this system, users can interact with the computer more naturally and get the accuracy of cursor movement with the accuracy of finger movement translation reaching more than 85% and the translation of hand movements to mouse cursor movements is on average 73% for shapes that use straight lines. and 23.4% on curved lines such as circles and other shapes.]]>
<![CDATA[Sistem Monitoring Kolesterol Melalui Iris Mata dengan Metode Pengolahan Citra ]]>
<![CDATA[Abdul Fadlil]]>;
<![CDATA[Wahyu Sapto Aji]]>;
<![CDATA[Arief Setyo Nugroho]]>
<![CDATA[ Jurnal Rekayasa Elektrika Vol 16, No 1 (2020) ]]>
Publisher : <![CDATA[Universitas Syiah Kuala ]]>
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DOI: 10.17529/jre.v16i1.15657
<![CDATA[Early detection to determine the presence or absence of cholesterol in the body is a necessity for everyone who wants to live healthy. Many diseases can be caused by the presence of cholesterol such as heart disease, stroke, nerve disorders, kidney problems, hypertension, and etc. Therefore, cholesterol detection must be done regularly. This study discusses about the cholesterol detection system through the iris eyes using image processing and monitoring progress in continously. Detection of cholesterol can be observed with Arcus Senilis or a gray ring in the iris eyes. Tests carried using 15 samples which cholesterol identifed. The process of image processing consists of image acquisition, sharpening, segmentation, convert grayscale and binary images. Cholesterol can be identify with difference between pixel values 0 (black) and pixel values 1 (white) in binary images. Research data will be stored in an Excel format database with adding some user data. From the test, results analysis carried the try and error threshold method using values of 80, 100, 150, and getting an accuracy of 87%, 73%, and 33%. Besides, monitoring cholesterol can be carried using a system interface and database with adding the required data and can display it on excel.]]>
