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All Journal Kitektro CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro Jurnal Rekayasa elektrika
Yuwaldi Away
Magister Teknik Elektro Universitas Syiah Kuala
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Other

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Perancangan Alat Pencatat Data Kurva Karakteristik Arus dan Tegangan (I-V) Modul Surya Cholis Cholis; Ira Devi Sara; Yuwaldi Away
CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 2, No 1 (2016)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v2i1.762

Abstract

Untuk menampilkan kurva karakteristik I-V diperlukan sebuah peralatan dalam menelusuri keluaran sebuah modul surya yang disebut IV Tracer. IV Tracer bekerja berdasarkan nilai tegangan kerja yang divariasikan terhadap sebuah modul surya mulai dari titik nol sampai nilai tegangan rangkaian terbuka (open circuit). Berdasarkan hasil percobaan menggunakan rangkaian snubber dengan nilai kapasitor 47 uF, tahanan 5 Ω dan dioda FR207 memperlihatkan bentuk kurva arus dan tegangan yang sesuai datasheet dengan selisih rata-rata sebesar 8,89 % berdasarkan parameter nilai modul surya yang diuji. Data yang diperoleh merupakan nilai variasi tegangan saat switching MOSFET IRF540 selama 1600 milisekon dengan mengumpulkan sebanyak 52 titik pengujian. IV tracer yang dirancang memiliki batasan sebesar 200 mA - 8V berdasarkan pengaturan yang dilakukan pada layar TFT 1,8”. Kata kunci:
Hibridisasi Simulated Annealing dengan Algorithm Evolutionary dalam Penyelesaian Travelling Salesman problem (TSP) Erdiwansyah Erdiwansyah; Taufiq A. Gani; Yuwaldi Away
Jurnal Komputer, Informasi Teknologi, dan Elektro Vol 1, No 1 (2016)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The process of traveling salesman from one city to the others is a form of costs optimization, time consuming so the process can minimize the cost and time of travel. Travelling Salesman Problem (TSP) is an optimization problem to determine the shortest distance in a travel route in each city can which only be passed exactly once in one trip and then return to the city where sales was begin their journey. In this study, hybridization of simulated annealing with evolution algorithm was proposed to minimize the individual convegency in a population of each generation before reaching optimum point. This research proposes algorithm Hybridization SA with the SA and AE AE itself, namely the computational time and optimization of results. Keywords- Algorithm Evolutinary, Simulated Annealing, Hybrid SA and AE.
Perancangan dan Pengujian Piranti Pemantauan Visual untuk Menentukan Volume Lalu Lintas Alfina Alfina; Yuwaldi Away; Muhammad Isya
Jurnal Rekayasa Elektrika Vol 12, No 2 (2016)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (820.134 KB) | DOI: 10.17529/jre.v12i2.4061

Abstract

Intelligent Transportation System (ITS) applies information and communication technologies for transportation management. The problem in the study is the importance of computer vision tools to determine the volume of traffic on the highway. The design of computer vision device is performed using a static camera and the bounding box method for determining the traffic volume based on vehicle type, namely light vehicles, heavy vehicles (trucks) and motorcycles that are applied on the Gaussian Mixture Models (GMM). The classification is based on the pixel area of vehicle objects. The tests were carried out at Jalan T. Nyak Arief, Jambotape, Banda Aceh. The test results of the system achieved an accuracy of 79.32%.
Perancangan dan Pengujian Piranti Pemantauan Visual untuk Menentukan Volume Lalu Lintas Alfina Alfina; Yuwaldi Away; Muhammad Isya
Jurnal Rekayasa Elektrika Vol 12, No 2 (2016)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v12i2.4061

Abstract

Intelligent Transportation System (ITS) applies information and communication technologies for transportation management. The problem in the study is the importance of computer vision tools to determine the volume of traffic on the highway. The design of computer vision device is performed using a static camera and the bounding box method for determining the traffic volume based on vehicle type, namely light vehicles, heavy vehicles (trucks) and motorcycles that are applied on the Gaussian Mixture Models (GMM). The classification is based on the pixel area of vehicle objects. The tests were carried out at Jalan T. Nyak Arief, Jambotape, Banda Aceh. The test results of the system achieved an accuracy of 79.32%.
Co-Authors Alfina Alfina Cholis Cholis Erdiwansyah Erdiwansyah Ira Devi Sara Muhammad Isya Taufiq A. Gani