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ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika
Published by Institut Teknologi Nasional Bandung
ISSN : 23388323     EISSN : 24599638     DOI : -
Core Subject : Engineering,
Electrical & Electronics Engineering Engineering
Jurnal ELKOMIKA diterbitkan 3 (tiga) kali dalam satu tahun pada bulan Januari, Mei dan September. Jurnal ini berisi tulisan yang diangkat dari hasil penelitian dan kajian analisis di bidang ilmu pengetahuan dan teknologi, khususnya pada Teknik Energi Elektrik, Teknik Telekomunikasi, dan Teknik Elektronika.
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Articles 19 Documents
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Search results for , issue "Vol 8, No 2: Published May 2020" : 19 Documents clear
Metode Cell Splitting pada Perencanaan Microcell untuk Meningkatkan Performansi Jaringan LTE ANUGERAH, FIQHI; PUTRI, HASANAH
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.262

Abstract

ABSTRAKBerdasarkan hasil survei dan drive test menggunakan standar operator 3 di wilayah Jalan Kebon Kopi, Kota Cimahi, bahwa nilai parameter LTE yang diperoleh masuk kategori buruk. Hal ini ditunjukkan oleh nilai parameter RSRP <-90 dBm, SINR <5 dB, dan throughput <1 Mbps. Selain itu dari identifikasi Operating Support System (OSS) operator 3 menunjukkan bahwa konsumsi trafik telekomunikasi di wilayah tersebut tinggi. Oleh sebab itu dilakukan perencanaan microcell pada band 3 FDD LTE 1800 MHz menggunakan metode cell splitting. Metode cell splitting ini berperan dalam menghasilkan sel-sel baru dan menyediakan lebih banyak kanal guna memperbaiki performansi serta meningkatkan kapasitas jaringan LTE. Hasil simulasi perencanaan menunjukkan peningkatan nilai rata-rata RSRP sebesar 8,28 dBm, SINR sebesar 3,6 dB, dan throughput sebesar 1.475 Mbps.Kata kunci: kota Cimahi, microcell, cell splitting, LTE, performansi ABSTRACTBased on survey results and drive tests using the operator 3 standard in the Kebon Kopi Street area, Cimahi City, the LTE parameter values obtained are in the bad category. This is indicated by RSRP parameter values <-90 dBm, SINR <5 dB, and throughput <1 Mbps. Besides that, from the identification of the Operating Support System (OSS) the operator 3 shows that consumption of telecommunications traffic in the region is high. Therefore, microcell planning on the 3 band FDD LTE 1800 MHz was carried out using the cell splitting method. This cell splitting method plays a role in generating new cells and providing more channels to improve performance and increase LTE network capacity. Planning simulation results show an increase in the average RSRP value of 8.28 dBm, SINR of 3.6 dB, and throughput of 1.475 Mbps.Keywords: Cimahi city, microcell, cell splitting, LTE, performance
Analisis Perbandingan Kinerja Metode Superpixel dan Gradien berbasis Edge Detector pada Pendeteksian Objek Bergerak MURSALIM, MUHAMMAD KHAERUL NAIM; VERDIAN, IHSAN
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.362

Abstract

ABSTRAKSalah satu bagian dalam algoritma pemrosesan citra adalah proses segmentasi yang menjadi tahap pra-pemrosesan untuk ekstraksi fitur objek. Superpixel menjadi salah satu solusi pada proses segmentasi dengan mendefenisikan kumpulan piksel yang mempunyai kesamaan karekterisitik sehingga membawa banyak informasi mengenai fitur objek. Adapun tantangan yang dihadapi dalam mendeteksi objek bergerak adalah ketidakmampuan untuk memisahkan objek bergerak dari background objek. Sehingga, pada citra yang dideteksi akan dikelilingi oleh wilayah yang terdapat derau. Pada penelitian ini, diusulkan metode superpixel berbasis deteksi tepi untuk mendeteksi objek bergerak. Selanjutnya, kinerja metode superpixel diuji dengan membandingkan dengan metode deteksi tepi yang berbasis gradient. Hasilnya menunjukkan bahwa metode yang diusulkan mampu meminimalisir derau lebih baik dan hasil perhitungan MSE, RMSE, dan PSNR hanya berbeda 0.06% dan 0.1% dari metode Sobel dan Prewitt.Kata kunci: Deteksi tepi, Objek bergerak, Proses Segmentasi, Superpixel ABSTRACTOne part of the image processing is the segmentation which becomes the preprocessing stage for feature extraction. Superpixel becomes solutions in the segmentation process by defining a collection of pixels that have the same characteristics ang bringing the information about the object's features. The challenge faced in detecting moving objects is the inability to separate moving objects from the object's background. Thus, the detected image will be surrounded by an area with noise. In this study, a superpixel-based edge detection method is proposed to detect moving objects. Furthermore, the performance of the superpixel method is tested by comparing it to the gradient-based edge detection method. The results show that the proposed method is able to minimize noise better and the results of MSE, RMSE, and PSNR calculations differ only 0.06% and 0.1% from the Sobel and Prewitt methods.Keywords: Edge detection, Moving objects, Segmentation, Superpixels
Karakterisasi Prototipe Heater Element System pada Untai Uji RCCS-RDNK menggunakan Kamera Infra Merah HARYANTO, DEDY; GIARNO, GIARNO; WITOKO, JOKO PRASETIO; KUSNUGROHO, GREGORIUS BAMBANG HERU; KUSUMASTUTI, RAHAYU; JUARSA, MULYA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.313

Abstract

ABSTRAKReactor Cavity Cooling System (RCCS) adalah salah satu sistem keselamatan pada Reaktor Daya Non Komersial (RDNK). Untuk mensimulasikan keadaaan tersebut, dibuat prototype Heater Element System (HES) yang merupakan sistem pemanas listrik dan berfungsi untuk memberikan kalor pada simulator dinding RPV (wall) seperti pada acuan RPV tipe HTGR. Tujuan penelitian adalah untuk memperoleh karakteristik temperatur selama pemanasan prototype HES hingga mencapai temperature 400°C berdasarkan posisi vertikal dan horizontal HES. Metode pengamatan dilakukan dengan menggunakan kamera infra merah NEC tipe TH9100ML sebagai alat ukur temperatur dan alat visualisasi ditribusi temperatur. Hasil pengamatan menunjukkan, bahwa kehilangan kalor pada prototipe HES pada posisi vertikal lebih kecil dibandingankan pada posisi horizontal hal ini disebabkan karena luas permukaan pada posisi horizontal sebesar 7,260 cm2 lebih memungkinkan untuk kehilangan kalor lebih besar. Posisi vertikal temperatur yang dicapai pada wall prototipe HES lebih tinggi dibandingkan pada posisi horizontal.Kata Kunci: RCCS, Heater Element System, kamera infra merah, temperatur ABSTRACTReactor Cavity Cooling System (RCCS) is one of the safety systems in Non-Commercial Power Reactors (RDNK). To simulate this situation, a prototype Heater Element System (HES) was made using electric heating system as a heat sources and it serves to provide radiation heat to the RPV wall simulator as the reference of the RPV of HTGR type. The purpose of this study was to obtain the temperature characteristics during the heating of the HES prototype to reach temperatures of 400°C base on HES position, horizontal and vertical positions. The observation method was carried out using a TH9100ML infrared camera NEC type as a temperature measurement and a temperature distribution base on visualization. The observations show that the heat loss in the HES prototype in the vertical position is smaller than in the horizontal position because this is because the surface area in the horizontal position 7.260 cm2 is more likely to lose more heat. The vertical position the temperature achieved on the HES prototype wall is higher than in the horizontal position.Keywords: RCCS, Heater Element System, infrared camera, temperature
Pengurangan Pencemaran Udara berdasarkan Konsep Pelabuhan Hijau WACHJOE, CONNY KURNIAWAN; ZEIN, HERMAGASANTOS; SUPRIYANTI, YANTI; GANTINA, TINA MULYA; KURNIASETIAWATI, ANNISA; MARENSHAPUTRI, PUREZA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.252

Abstract

ABSTRAKPerdagangan bebas antara negara-negara di dunia telah mengubah pergerakan orang dan barang yang memberi dampak signifikan pada pemanfaatan transportasi laut. Fenomena ini akan berdampak pada peningkatan jumlah kapal yang berlabuh di pelabuhan. Ketika catu daya listrik tidak tersedia untuk kapal di pelabuhan, mesin diesel kapal dioperasikan untuk memenuhi kebutuhan beban listrik selama proses bongkar muat. Pengoperasian mesin diesel akan berdampak negatif pada area pelabuhan karena kebisingan dan polusi udara. Makalah ini akan menyediakan metode pasokan daya shore to ship (STS) yang memasok listrik dari darat ke kapal. STS dapat digunakan untuk meningkatkan kualitas udara di area pelabuhan. Hasilnya telah secara signifikan mengurangi jumlah polusi udara berbahaya, terutama untuk emisi NOx, VOC, dan PM masing-masing sebesar 97%, 94% dan 89%.Kata kunci: pelabuhan laut, pembangkit listrik tenaga diesel, shore to ship, berlabuh, emisi gas buang berbahaya ABSTRACTFree trade agreements between countries in the world have changed the movement of people and goods which creates a significant impact on sea transportation. This phenomenon will have an impact on the rapid increase in the number of vessels resting at the port. When the electrical power supply is not available for ships in the port, the ship diesel engine is operated to meet the electrical load during the loading and unloading process. Operation of the diesel engine will have a negative impact on the port area due to noise and air pollution. This paper will provide a shore-to-ship (STS) power supply method that supplies electricity from land to ships. STS can be used to improve air quality in the port area. The results have significantly reduced the amount of harmful air pollution, especially for NOx, VOC, and PM emissions by 97%, 94% and 89% respectively.Keywords: port, diesel plant, shore to ship, berthing, harmful air polution
Energy Saving Building Strategies through The Application of Solar Control Glass LATIFAH, NUR LAELA; RAHADIAN, ERWIN YUNIAR
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.388

Abstract

ABSTRAKSesuai dengan konsep Green Building, desain bangunan harus memperhatikan penghematan energi operasional bangunan. Semakin besar beban termal, maka semakin boros konsumsi energi listrik. Salah satu cara untuk menurunkan energi listrik adalah dengan mengurangi beban termal eksternal, sehingga pemilihan jenis solar control glass merupakan aspek yang sangat penting. Metoda analisis dilakukan secara kuantitatif. Sebagai kasus studi yaitu Gedung Kantor Pengelola Bendungan Sei Gong di Batam, dan berdasarkan perhitungan Calculator OTTV akan ditentukan alternatif solar control glass yang tepat agar memenuhi syarat dengan batas maksimal OTTV di Indonesia (45 Watt per meter persegi). Manfaat penelitian ini adalah memperoleh masukan pemilihan tipe kaca yang tepat berdasarkan SHGC, pada kasus bangunan kantor.Kata kunci: Hemat energi operasional bangunan, Overall Thermal Transfer Value, Solar Control Glass, Solar Heat Gain Coefficient ABSTRACTIn accordance with the Green Building concept, building designs must pay attention to building operational energy savings. The greater the thermal load, the more wasteful the electricity consumption of the AC system. One way to reduce AC loads is to reduce external thermal loads, then choosing the type of solar control glass is a very important aspect. The method of analysis is done quantitatively. As a case study is Sei Gong Dam Management Office Building in Batam, and based on OTTV Calculator calculation an appropriate solar control glass alternative will be determined to meet the requirements with the maximum OTTV limit in Indonesia (45 Watt per square meter). The benefit of this research is to get input on selection of the right type of glass based on SHGC, in the case of office buildings.Keywords: Energy saving on building operation, Overall Thermal Transfer Value, solar control glass, Solar Heat Gain Coefficient
Desain dan Implementasi Data Logger untuk Pengukuran Daya Keluaran Panel Surya dan Iradiasi Matahari PUDIN, APIP; MARDIYANTO, IGNATIUS RIYADI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.240

Abstract

ABSTRAKInformasi mengenai daya keluaran panel surya dan intensitas radiasi matahari diperlukan dalam sistem PLTS guna mengetahui karakteristik potensi daya yang dibangkitkan panel dan estimasi besarnya beban yang terpasang. Dalam penelitian ini, telah dirancang perangkat data logger berbasis Arduino Uno dengan media penyimpan data berupa kartu MicroSD dan format data MS Excel. Parameter daya diperoleh menggunakan modul sensor tegangan dengan prinsip pembagi tegangan dan sensor arus dengan resistor shunt. Intensitas radiasi diperoleh dari sensor Solar Power Meter menggunakan interface kabel RS232 to TTL. Hasil menunjukan nilai rata-rata error tegangan sebesar 36 mV atau inakurasi 0,41% untuk rentang pengukuran dari 0,7 V sampai 24 V, sedangkan rata-rata error arus sebesar 10 mA atau inakurasi 0,42% untuk pengukuran dari 0,3 A sampai 7,5 A. Nilai inakurasi ini masih dibawah nilai rata-rata alat ukur standar yang ada di pasaran sekitar 1%, sehingga hasil rancangan ini bisa digunakan untuk keperluan pengukuran.Kata kunci: tegangan, arus, daya, iradiasi matahari, Arduino ABSTRACTInformation about the output power of solar panels and the intensity of solar radiation are needed in the PV system to determine the characteristics of the power generated by the panel and the estimated amount of installed load. In this research, an Arduino-based data logger has been designed with a MicroSD card data storage media and a MS Excel data format. Power parameters are obtained using a voltage sensor module with the principle of a voltage divider and a current sensor with a shunt resistor. The radiation intensity is obtained from the Solar Power Meter sensor using a RS232 to TTL cable interface. The results show the average of voltage error is 36 mV or inaccuracy is 0.41% for the measurement range from 0.7 V to 24 V, while the average of current error is 10 mA or inaccuracy is 0.42% for the measurement from 0.3 A to 7.5 A. This inaccuracy value is still below the average value of standard measurement tools on the market about 1%, so the results of this design can be used for the purpose of measurements.Keywords: voltage, current, power, solar irradiation, Arduino
Wireless Sensor Network (WSN) untuk Predictive Maintenance Lampu Sinyal Kereta Api NURYASIN, MUHAMMAD FAUZI; WIBAWA, BAMBANG MUKTI; TAUFIK, MOHAMMAD
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.418

Abstract

ABSTRAKLampu sinyal memiliki peranan yang penting dalam persinyalan kereta api. Pemeliharaan lampu sinyal perlu diperhatikan agar kondisi lampu sinyal tetap sesuai standar. Penelitian ini merancang Wireless Sensor Network (WSN) untuk mengakuisisi parameter lampu sinyal agar dapat dipantau, dianalisis, dan disimpan. Parameter yang diakuisisi berdasarkan dari standar peraturan Menteri Perhubungan Indonesia mengenai lampu sinyal kereta api antara lain intensitas cahaya, tegangan, suhu, dan kelembapan lingkungan lampu sinyal. Sistem tersusun dari tiga subsistem, yaitu sensor node, gateway, dan server. Sistem dapat melakukan pemantauan intensitas lampu sinyal, suhu dan kelembapan lingkungan lampu sinyal, serta tegangan lampu sinyal yang dikirim secara nirkabel yang dapat mencapai jarak hingga 200 m memanfaatkan spektrum radio frekuensi 433 Mhz. Pada saat ada gangguan terhadap lampu sinyal, sistem telah mampu melakukan predictive maintenance berdasarkan standarisasi lampu sinyal.Kata kunci: lampu sinyal, sensor node, gateway, server, wireless sensor network ABSTRACTSignal lights has an important role in railway signaling. Proper maintenance must be taken to maintain signal lights so that signal lights condition remain in accordance with the standard. This study designed the Wireless Sensor Network (WSN) to acquire signal lights parameter information so that it can be monitored, analyzed and stored. The parameters acquired are based on the Indonesian Minister of Transportation's regulatory standards regarding railway signal lights such as light intensity, voltage, temperature, and humidity of signal lights. System consists of three subsystems, namely sensor node, gateway, and server. System can monitor signal lights intensity, ambient temperature, ambient humidity, and voltage of signal lights then send those parameters which can reach distances of up to 200 m utilizing the radio frequency spectrum 433 Mhz. When there are interferences with signal lights, system has been able to perform predictive maintenance based on the signal lights standardization.Keywords: signal lights, sensor node, gateway, server, wireless sensor network
Peningkatan Kualitas Manufaktur Produk Circuit Breaker-Arc Chute SUPRIYANTO, HARI; SUPRIYANTO, M. FERDIAN RAHMA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.324

Abstract

ABSTRAKSektor industri kecil dan menengah (IKM) berkontribusi cukup besar dalam perkembangan perekonomian Indonesia. Salah satu IKM yang bergerak di sektor ini adalah usaha circuit breaker. Mereka memiliki permasalahan defect produk. Lean sixsigma dipakai sebagai pendekatan improvement yang bertujuan untuk meningkatkan kualitas dengan cara mengurangi variasi produk. Tiga alternatif solusi, yaitu pelatihan staff, pengadaan fasilitas, dan modifikasi fasilitas. Alternatif perbaikan yang paling optimal untuk setiap proses adalah pelatihan untuk karyawan blanking dan pelatihan untuk karyawan electroplating. Alternatif perbaikan yang dipilih selanjutna diterapkan dengan tujuan meningkatkan sigma level dan mengurangi biaya kualitas. Penerapan alternatif menunjukkan kenaikan nilai sigma untuk proses blanking dari 3.96 sigma menjadi 4.05 sigma. Sedangkan untuk proses electroplating terjadi kenaikan nilai sigma dari 3.20 sigma menjadi 3.51 sigma.Kata kunci: lean, waste, Sixsigma, defect, RCA, FMEA ABSTRACTThe industrial sectors of small and medium enterprises (SMEs) have a considerable contribution to economic development in Indonesia. One SMEs engaged in the business sector is the circuit breaker. The main problem occurs the defected product is quite high and needs improvement, to increase product quality. Lean six sigma is used as improvement approach aimed at improving quality by reducing the variety of products. There are three alternative solutions, namely the training of staff, the purchase of the facility, and modification of the facility. The most optimal alternative for each process is blanking worker training and electroplating worker training. Training in both processes, then applied to increase sigma levels and reduce quality costs. Alternative implementations showed an increasing sigma value for blanking process from 3.96 sigma becomes 4.05 sigma. As for the electroplating process an increasing rate from 3.20 sigma becomes 3.51 sigma. Keywords: lean, waste, Sixsigma, defect, RCA, FMEA
Indeks Subjeks dan Indeks Pengarang -, - INDEKS
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 8, No 2: Published May 2020
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v8i2.%p

Abstract

Indeks Subjeks dan Indeks Pengarang

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