Abstract
Abstract : That's the reason why LED lighting has to employ AC power inlet. However, LED is a kind of diode, semiconductor, it's driven by DC power. With whis reason all of LED lighting should have AC/DC converter in its systems. This converter causes energy loss, it's the target for lesson the energy loss. To reduce this energy loss, DC power distribution structure can be used. LED lighting system using LVDC is a kind of DC power distribution structure, but LVDC has severe voltage drop which makes non-uniform brightness in lighting system. In this paper, we suggest a novel structure for the uniform brightness in LVDC LED lighting system using IoT based network system. The constructed test-bed system of suggested structure shows this structure can con control the brightness with uniformity. Key Words : -LED, IoT, DCPLC, LVDC, Wire resistance†Corresponding Author : School of IT, Information and Control Engineering Kunsan National University, Korea E-mail : tkddml30@naver.com* School of IT, Information and Control Engineering Kunsan National University, Korea Received : November 2, 2015; Accepted : December 30, 2015
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