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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 11 Documents
 1   2 
Search results for , issue "Vol 4 No 2: Mei 2015" : 11 Documents clear
Energi Kinetik Alat Kebugaran Lat Pull Down untuk Lampu LED dan Pemandu Deddy Susilo; F. Dalu Setiaji; Martino Suherman
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 4 No 2: Mei 2015
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (925.809 KB)

Abstract

This research builds a fitness equipment Lat Pull Down which is modified to produce alternative energy. This tool works by pulling a lever connected to a gearbox. Rotor and generator are connected to the gearbox and will rotate with angular velocity at about 22 rad/s, thus, can generate electromotive force of about 202 V. This AC voltage will be converted by a full wave rectifier using Schottky diodes into 19,8 VDC. An electronic switch, then, will automatically connect the DC voltage, which is still fluctuative, to either an LM2577 or LM2576 chip that will increase or decrease the voltage, respectively, into a stable voltage of 13,8 V. The energy will be stored in the 12 V accumulator and can be used as an energy source for the 2,5 W LED and microcontroller-based guidance system. This system can generate energy up to 2,367 Wh each day.

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