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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 21 Documents
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Search results for , issue "Vol 11, No 1: Published January 2023" : 21 Documents clear
Deteksi Suara Corona Discharge berdasarkan Noise menggunakan Metode LPC dan Euclidean Distance PASRA, NURMIATI; FIKRI, MIFTAHUL; MAURIRAYA, KARTIKA TRESYA; RIJANTO, TRI; BUDITJAHJANTO, I GUSTI PUTU ASTO
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.72

Abstract

ABSTRAKKegagalan isolasi masih sering terjadi pada sistem kelistrikan di Indonesia yang disebabkan oleh fenomena tegangan tinggi seperti corona discharge (CD). Hal ini dikarenakan deteksi dini kegagalan isolasi belum dapat dilakukan. Salah satu bentuk CD ialah suara. Langkah awal untuk mendeteksi dini kegagalan isolasi ialah diperlukannya suatu penelitian yang dapat mengklaster suara CD berdasarkan noise yang merupakan tujuan penelitian ini. Pengamatan dilakukan pada kubikal 20-22 kV dengan cara menaik-turunkan tegangan dengan elektroda jarum-batang sejauh 3 cm. Klasifikasi suara CD ditetapkan menjadi 3 cluster yaitu CD murni, CD disertai noise mendesis dan noise mendesis murni. Clustering dilakukan menggunakan metode linear predictive coding (LPC) sebagai ekstraksi ciri dan Euclidean distance sebagai pencocokan pola hasil ekstraksi. Adapun suhu di dalam kubikal antara 25℃ - 32℃ dan kelembaban berkisar 70% - 90%. Hasil akurasi clustering rata-rata yang diperoleh adalah 100% untuk data training dan 97,78% untuk data testing. Kata kunci: corona discharge, linear predictive coding, Euclidean distance, kegagalan isolasi ABSTRACTInsulation failures often occur in the electrical system in Indonesia caused by high voltage phenomena such as corona discharge (CD). This is because early detection of insulation failure cannot be carried out. One form of CD is sound. The first step for early detection of insulation failure is the need for a study that can cluster CD sounds based on noise which is the purpose of this study. Observations were made at 20-22 kV cubical by increasing and decreasing the voltage with a needle-rod electrode as far as 3 cm. The classification of CD sound is set into 3 clusters i.e. pure CD, CD with hissing noise, and pure hissing noise. Clustering is done using linear predictive coding (LPC) as feature extraction and Euclidean distance as pattern matching extraction results. The temperature inside the cubical is between 25℃ - 32℃ and the humidity is around 70% - 90%. The average clustering accuracy results obtained are 100% and 97.78% for training and testing data.Keywords: author’s guideline, document’s template, format, style, abstract
Indeks Subjeks dan Indeks Pengarang -, - INDEKS
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.%p

Abstract

Indeks Subjeks dan Indeks Pengarang
Object Detection and Pose Estimation with RGB-D Camera for Supporting Robotic Bin-Picking JAMZURI, EKO RUDIAWAN; ANALIA, RISKA; SUSANTO, SUSANTO
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.128

Abstract

ABSTRAKTujuan dari penelitian ini adalah untuk mendeteksi objek dan mengestimasi pose objek menggunakan kamera RGB-D. Dalam penelitian ini, kami mengusulkan pemrosesan data pada citra RGB dan citra depth saja, tanpa menggunakan point cloud, seperti pada umumnya. Metode yang diusulkan mendeteksi posisi dan orientasi objek menggunakan DRBox-v2 dari Region of Interest (ROI), yang sebelumnya diperoleh dari pendeteksian pada penanda ArUco. Hasil deteksi objek kemudian diskalakan dan digunakan pada citra depth untuk mendapatkan perkiraan posisi dan orientasi objek. Dari sisi pendeteksi objek, usulan metode memperoleh nilai Average Precision (AP) sebesar 0,740. Sedangkan untuk estimator pose, usulan metode menghasilkan kesalahan posisi rata-rata 13,36 mm dan kesalahan orientasi rata-rata 0,75 derajat. Metode yang diusulkan berpotensi menjadi alternatif sistem deteksi objek dan estimasi pose pada kamera RGB-D yang tidak memerlukan pemrosesan point cloud dan tidak memerlukan model referensi objek.Kata kunci: deteksi objek, estimasi pose, DRBox, ArUco, bin-picking ABSTRACTThis study aims to detect objects and estimate the object's pose using an RGB-D camera. In this study, we proposed data processing on RGB images and depth images only, without using point clouds, as in general. The proposed method detected the object's position and orientation using the DRBox-v2 from the Region of Interest (ROI), which was previously obtained from detecting ArUco markers. The object detection results were then scaled and used in the depth image to get the object's approximate position and orientation. In object detection, the proposed method obtained an Average Precision (AP) value of 0.740. As for the pose estimator, our method generated an average position error of 13.36 mm and an average orientation error of 0.75 degrees. Therefore, this method can be an alternative object detection and pose estimation system on an RGB-D camera that does not require point cloud processing and an object reference model.Keywords: object detection, pose estimation, DRBox, ArUco, bin-picking
Optimasi Teknologi Computer Vision pada Robot Industri Sebagai Pemindah Objek Berdasarkan Warna MASRIL, MUHAMMAD ABRAR; CANIAGO, DEOSA PUTRA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.46

Abstract

ABSTRAKComputer vision merupakan teknologi yang dapat mendeteksi objek yang ada disekitarnya pada penelitian ini membahas optimasi teknologi computer vison pada robot sebagai pemindah objek berdasarkan warna. Sistem pada robot terdiri dari pengenalan bola berwarna dan memindahkan bola berwarna sesuai dengan warna yang dideteksi. Teknologi computer vision pada pixy 2 camera dapat mendeteksi objek berwarna menggunakan metode deteksi real-time dengan hasil optimasi yang tinggi yaitu 0,2 detik ketika mendeteksi objek berwarna. Pengujian pengenalan objek berwarna dilakukan sebanyak tiga kali pada setiap objek berwarna dengan tingkat akurasi sebesar 100%. Optimasi computer vision dapat membantu robot mengenali objek berwarna.Kata kunci: Computer Vision, Deteksi Objek Berwarna, Pixy2 Camera, Real-Time ABSTRACTComputer vision is a technology that can detect objects that are around it. This study discusses the optimization of computer vision technology on robots as object transfers based on color. The system on the robot consists of recognizing colored balls and moving colored balls according to the detected color. Computer vision technology on the pixy 2 camera can detect colored objects using a real-time detection method with a high optimization result of 0.2 seconds when detecting colored objects. The color object recognition test was carried out three times on each colored object with an accuracy rate of 100%. Computer vision optimization can help robots recognize colored objects.Keywords: Computer Vision, Color Object Detection, Pixy2 Camera, Real-Time
Perbandingan Sensor Incremental Rotary Encoder dan Potensiometer pada Simulasi Kemudi Kapal Berbasis Arduino SUHARSO, ARIF RAKHMAN; SANTOSO, GUNAWAN BUDI; HENDARTONO, ARIO; KUMARA, RAHINDRA BAYU
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.155

Abstract

ABSTRAKSuatu kemudi kapal menurut Safety Of Life At Sea (SOLAS 74) aturan 29 Bab II yang diharuskan untuk kepentingan dan keselamatan serta sesuai yang diisyaratkan pada perangkat kemudi utama pada saat kapal melaju dengan kecepatan ekonomis maksimum, harus dapat disimpangkan sebesar 35 derajat ke kiri dan ke kanan dalam waktu 28 detik. Pengujian dilakukan dengan memutar kemudi dari tengah/midship ke kanan/starboard side 35 derajat dilanjutkan ke midship dilanjutkan ke kiri/port side 35 derajat dilanjutkan ke midship. Hasil pengujian kedua sensor tersebut memiliki respons yang cepat sehingga bisa digunakan sebagai sensor dalam simulasi kemudi kapal ini. Hasil pembacaan sensor potensiometer melalui pembacaan di serial monitor arduino pada tingkat ketelitian potensiometer tersebut didapatkan dengan membagi 1023 dengan 300 sehingga dalam 1 derajat hasilnya 3,41, sedangkan tingkat ketelitian sensor incremental rotary encoder adala 4,571 didapatkan dari 160 dibagi dengan 35.Kata kunci: Kemudi kapal, arduino, incremental rotary encoder, potensiometer. ABSTRACTA ship's rudder according to Safety Of Life At Sea (SOLAS 74) rule 29 Chapter II which is required for the sake of safety and as required by the main steering gear when the ship is traveling at maximum economic speed, must be able to deviate 35 degrees to the left and to the left. right in 28 seconds. The test was carried out by turning the rudder from the middle/midship to the right/starboard side 35 degrees, then midship, continuing to the left/port side 35 degrees, then midship. The test results of the two sensors have a fast response so they can be used as sensors in this ship steering simulation. The potentiometer sensor reading results through readings on the Arduino serial monitor at the potentiometer accuracy level are obtained by dividing 1023 by 300 so that in 1 degree the result is 3.41, while the incremental rotary encoder sensor accuracy level is 4.571 obtained from 160 divided by 35.Keywords: Ship rudder, arduino, incremental rotary encoder, potentiometer.
Pemodelan Active Front End Converter (AFE) Tiga-Fasa Tiga-Kaki menggunakan Kendali Model Predictive Control (MPC) SATIVA, ORYZA; ANDANG, ASEP; CHOBIR, ABDUL
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.241

Abstract

ABSTRAKPenelitian ini membahas Active Front End Converter (AFE) tiga-fasa tiga-kaki menggunakan kendali Model Predictive Control (MPC) pada pensakelaran converter yang dapat mengurangi nilai harmonisa dan memperbaiki faktor daya pada jaringan. Kendali MPC digunakan untuk melakukan prediksi tegangan dan arus AFE dengan cara memasukkan vektor tegangan yang dihasilkan oleh sakelar konverter ke dalam model state-space diskrit dan dievaluasi menggunakan cost function. Simulasi model dilakukan pada beberapa kondisi, yaitu simulasi beban resistif, beban induktif, beban kapasitif, beban nonlinear, dan variable frequency drive (VFD) dengan motor induksi. Simulasi beban resistif, THDv dan THDi secara berurutan nilai rata-ratanya sebesar 0.02% dan 0.45%, beban induktif, 0.01% dan 1.92%, beban kapasitif, 0.01% dan 1.92%, beban nonlinear, 0.03% dan 1.23%, dan beban VFD dengan motor induksi sebesar 0.04% dan 1.18%. Faktor daya pada simulasi beban bervariasi menghasilkan unity. Dari hasil simulasi didapatkan kesimpulan kendali MPC pada AFE mampu meningkatkan kualitas daya listrik.Kata kunci: Harmonisa, Faktor Daya, AFE, MPC, Model Vektor Ruang ABSTRACTThis study discusses a three-phase three-leg Active Front End Converter (AFE) using Model Predictive Control (MPC) which controls converter switching to reduce harmonic values and improve the power factor on the network. MPC is used to predict the AFE voltage and current by entering the voltage vector generated by the converter switch into a discrete state-space model and evaluated using a cost function. The simulations of the model have been done under several conditions, resistive loads, inductive loads, capacitive loads, nonlinear loads, and variable frequency drive (VFD) with an induction motor. Resistive load simulations, THDv and THDi respectively, the average values are 0.02% and 0.45%, inductive load, 0.01% and 1.92%, capacitive load, 0.01% and 1.92%, nonlinear load, 0.03% and 1.23%, and load VFD with induction motor is 0.04% and 1.18%. The power factor in the varying load simulation results is unity. From the simulation results, it can be concluded that MPC control on AFE can improve electrical power quality. Keywords: Harmonics, Power Factor, AFE, MPC, Space Vector Model
Implementasi Telemetri dan Evaluasi Performansi Sistem Komunikasi Lora di Daerah Pesisir Pantai PUSPITORINI, OKKIE; MAHMUDAH, HANIAH; WIJAYANTI, ARI; SISWANDARI, NUR ADI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.180

Abstract

ABSTRAKSistem komunikasi dikembangkan untuk peningkatan ekonomi nelayan. Penelitian yang dikembangkan sistem komunikasi antar nelayan dengan pesisir pantai dengan biaya murah serta mempunyai jangkauan jarak yang terbatas. Untuk mengatasi jarak jangkauan jauh maka pada penelitian ini mengimplementasikan sistem komunikasi Lora multihop menggunakan telemetri dengan daya transmisi 24 dBm atau 250 mW. Sistem ini terdiri blok end device berupa telemetri berada pada kapal nelayan, blok gateway pada pinggir pantai, dan blok server application pada end user serta tampilan berupa website nelayan. Hasil pengujian telemetri sebagai transceiver dengan komunikasi multihop mampu digunakan untuk pengiriman data menghasilkan daerah jangkauan 7,2 km menjauhi pantai. Telemetri mengirimkan data ke gateway di pantai kemudian data diteruskan ke server cloud sebagai database. Perancangan database menggunakan model data relasional dan pengolahan data menggunakan algoritma FIFO. Hasil pengujian performansi sistem pada pengujian aplikasi front-end dan back-end menunjukan bahwa performansi sistem mampu menangani permintaan user secara cepat. Kata kunci: Telemetri, Lora, Multihop, Aplikasi, Pesisir Pantai ABSTRACTCommunication system was created to boost economic of fishing industry. Research created an inexpensive distance-restricted communication system for fishermen and coast. This study uses telemetry with transmission strength of 24 dBm or 250 mW to create multihop Lora communication in order to cross great distances. This system comprises of gateway block on coast, application server block on end user, display in form of fisherman's website, and end device block in form of telemetry on fishing boat. Using findings of testing telemetry as transceiver with multihop connection, coverage area of 7.2 km can be employed for data transfer. Data is transmitted from telemetry to coastal gateway and then sent to cloud server where it is stored as database. FIFO algorithm are used relational data modeling and data processing in database design. System's ability to handle user requests rapidly is demonstrated by results of front-end and backend application testing for system performance.Keywords: Telemetri, Lora, Multihop, Application, Coast
Design of Deliberative and Reactive Hybrid Control System for Autonomous Stuff-Delivery Robot Rover WIJANTO, EDDY
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.1

Abstract

ABSTRAKSaat ini, robot otonom memiliki peranan signifikan di berbagai bidang. Robot otonom meningkatkan efektivitas dan produktivitas sekaligus menurunkan risiko dan tingkat kesalahan secara signifikan. Dua paradigma dapat digunakan saat merancang robot otonom, yaitu paradigma reaktif dan deliberatif. Paper ini merancang sistem kontrol hybrid untuk menggabungkan elemen terbaik dari sistem kontrol deliberatif dan reaktif untuk robot pengiriman otonom. Model tersebut dibuktikan dengan misi untuk memindahkan tiga objek berwarna, dari  posisinya ke tujuan. Dari perancangan dan pengujian, sistem hybrid dapat meminimalisir kelemahan dari masing-masing sistem, sehingga proses pengiriman barang dapat tercapai sesuai dengan rencana dan dapat bereaksi terhadap kondisi yang sebelumnya tidak diketahui dalam perencanaan, seperti hambatan. Penggunaan sistem hybrid membuka kemungkinan untuk merancang sebuah mobile robot otonom yang dapat beroperasi di lingkungan apapun.Kata kunci: deliberative, reactive, hybrid, autonomous, robot rover ABSTRACTRecently, autonomous robots have become increasingly significant in numerous fields. Robots with autonomy increase effectiveness and productivity while significantly lowering risk and error rates. Two paradigms can be used when creating an autonomous robot, namely reactive and deliberative paradigm. This paper proposes a hybrid control system to combine the best elements of deliberative and reactive control system for an autonomous delivery robot rover. The model was proved with a mission to move the three colored objects, from their respective positions to the goal cells. From the design and testing the hybrid systems can minimize the weaknesses of each system, so that the stuff-delivery process can be achieved in accordance with the plan and can react to conditions that were not previously known in planning, such as the obstacle. The use of a hybrid system opens up the possibility of designing an autonomous mobile robot that can operate in any environment.Keywords: deliberative, reactive, hybrid, autonomous, robot rover
Analisis Potensi Sampah Organik Pasar Sentral Kota Gorontalo sebagai Bahan Baku Energi Biogas HARUN, ERVAN HASAN; ILHAM, JUMIATI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.113

Abstract

ABSTRAKPasar tradisional masih menjadi salah satu faktor penggerak ekonomi masyarakat di tengah-tengah maraknya sistem jual-beli online, tumbuhnya pasar modern, dan juga gerai waralaba. Penelitian ini dilakukan dalam rangka solusi penanganan masalah sampah organik yang dihasilkan dari transaksi jual-beli di pasar tradisional. Pendekatan yang dilakukan adalah memanfaatkan sampah organik sebagai sumber energi alternatif melalui proses fermentasi untuk menghasilkan gas metan. Metodologi gabungan (mix methode) digunakan dalam penelitian ini yakni pendekatan kuantitatif melalui pengukuran langsung di lapangan berdasarkan SNI Persampahan 19-3964-1994 dan pendekatan kualitatif digunakan untuk menganalisis kelayakan potensi sampah organik berdasarkan data kuantitatif. Hasil Penelitian didapatkan bahwa persentase timbulan sampah organik Pasar Sentral Kota Gorontalo adalah 74,23% sampah sayuran, 17,12% sampah buah dan 8,65% sampah ikan/daging yang dapat menghasilkan Biogas sebesar 838,60 m3 per bulan yang setara dengan energi listrik sebesar 5.115,84 kwh per bulan.Kata kunci: biogas, energi terbarukan, potensi, sampah pasar ABSTRACTTraditional markets are still one of the factors driving the community's economy in the midst of the rise of online buying and selling systems, the growth of modern markets, and franchise outlets. This research was conducted in order to solve the problem of handling organic waste generated from buying and selling transactions in traditional markets. The approach taken is to utilize organic waste as an alternative energy source through a fermentation process to produce methane gas. The combined methodology (mix method) used in this research is a quantitative approach through direct measurements in the field based on SNI for Solid Waste 19-3964-1994 and a qualitative approach is used to analyze the feasibility of potential organic waste based on quantitative data. The results showed that the percentage of organic waste generated at the Central Market of Gorontalo City is 74.23% vegetable waste, 17.12% fruit waste and 8.65% fish/meat waste which can produce 838.60 m3 of biogas per month which is equivalent to energy. electricity of 5,115.84 kwh per month. Keywords: biogas, market trash, potency, renewable energy
Design and Simulation of On-Grid Rooftop Solar Power Plant (Rooftop PV) System on Office Buildings with a PLN Grid System DAMIRI, DHAMI JOHAR; LAMANIA, ROBERTUS RICHARD LAKSANA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 11, No 1: Published January 2023
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v11i1.231

Abstract

ABSTRAKEnergi Terbarukan memiliki peranan penting didalam pengembangan energi di Indonesia. Salah satu Penggunaan Energi terbarukan yang dapat diterapkan adalah energi matahari dari PhotoVoltaic (PV). Penggunaan PV di atap dengan kondisi terhubung jaringan ke sistem disebut Sistem PLTS Atap On Grid. Penelitian ini merencanakan pemasangan Sistem PLTS On Grid di Gedung Perkantoran PT.PLN UP3 Samarinda. Dari perancangan yang telah dilakukan dengan luas area atap sebesar 919,18 m2 menghasilkan 124,640 Kwp berdasrkan simulasi helioscope. Sementara itu didapat GHI (Global Horizontal Irridiance) sebesar 126.51 KWh/m2/yr, energi produksi 144.119 KWh/yr dan Performa Ratio yang dihasilkan sebesar 77.4 %. Peralatan ALL-TEST PRO On-Line II menghasilkan data beban pada Gedung Perkantoran. Simulasi HOMER menghasilkan Sistem PLTS Atap On Grid dan SIstem PLN sebesar 181,718 KWh (55.8%) dan 144.119 KWh (44.2%). Meter EXIM digunakan sebagai impor ekspor energi didalam Sistem.Kata kunci: Energi Terbarukan, Sistem PLTS Atap On Grid, Meter EXIM ABSTRACTRenewable energy is essential in developing energy use in Indonesia. One applicable renewable energy uses solar energy from PhotoVoltaic (PV). Rooftop PV with a network-connected condition to the system is called the On-Grid Rooftop solar power plant System. This research install the On-Grid Rooftop PV System in the office building of PT. PLN UP3 Samarinda. The design that has been prepared with a roof area of 919.18 m2 simulates that it will produce 124,640 KWp based on helioscope simulation. Meanwhile, the GHI (Global Horizontal Irradiance) is 126.51 KWh/m2/yr, with energy production of 144,119 KWh/yr and the Performance Ratio is 77.4%. The ALL-TEST PRO On-Line II Equipment generates a load on the Office Building. With the HOMER simulation, the On-Grid Rooftop solar PV System and the PLN System distribution is 181,718 KWh (55.8%) and 144,119 KWh (44.2%). An EXIM Meter is needed as an energy export import inside System.Keywords: Renewable Energy, System PLTS Rooftop On Grid, Meter EXIM

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