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DESIGNING AN OFF-ROAD WORKING LAMP WITH LEDS

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Abstract (2. Language): 
In this study a working lamp used on the off-road working machines and vehicles is designed by using the LED diodes instead of a halogen bulb. In the design, firstly a LED array is determined and a proper driver circuit that can provide the required optical power is designed, and the working lamp developed is tested under various conditions. The luminous output values of the designed LED working lamp are compared with those of a commercial working lamp, which uses a halogen bulb. It is evaluated that in automotive applications lamps using LEDs could be successfully utilized depending on the optical efficacy of the LED used, the designs of the LED driver and the reflector.
1291-1298

REFERENCES

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C. Z ÇİL AND B.YAKIŞIR / IU-JEEE Vol. 11(1), (2011), 1291-1298
1298
Celal Zaim ÇİL received the B.Sc., M.Sc. and Ph.D. degrees in Electrical and Electronic Engineering in 1982, 1984, and 1989, respectively, in Bogazici University, Istanbul, Turkey. He worked as Lecturer in Air Force Academy, Istanbul, Turkey until 1994. He then worked as an engineer in NAPMA, NATO, Brunssum, Holland in 1994-97, and as a manager in Havelsan, Ankara, Turkey in 1998-2006. He has been lecturing since then in the Department of Electronic and Communication Engineering of Cankaya University, Ankara, Turkey. His research interests include semiconductor characterization, laser beam propagation through atmosphere, LED applications, analog and digital electronic design with VHDL and FPGA.
Burcu YAKIŞIR received the B.Sc. degree in Electronic and Communication Engineering in Cankaya University, Ankara, Turkey in 2010. She is currently a graduate student in Department of Electronic and Communication Engineering of Cankaya University. She won the Ministry of Science, Industry and Technology Project for young enterpreneurs, 2011. She has been working at her company BY Teknoloji since then. Her research interests are LED applications, designing electronic circuits with VHDL and FPGA.

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