Design and Simulation of LED Drive Power Supply Based on ARM

Abstract:

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This paper introduces a kind of numerical controlled LED drive power supply based on ARM7. User can set the number and brightness of the LEDs to be lit by the remote control. Switching voltage source and the linear constant current source are connected in series, this circuit structure can ensure high efficiency and small current ripple. ARM7 completes the data collection, fuzzy PID algorithm processing, and real-time output adjustment. This paper explains the working principle of the system in detail and then simulates it in the simulink. The results show that it can satisfy the users' diverse requirements well and give full play to the convenience and controllability of the digital controller.

Info:

Periodical:

Advanced Materials Research (Volumes 588-589)

Edited by:

Lawrence Lim

Pages:

936-939

Citation:

H. L. Cheng et al., "Design and Simulation of LED Drive Power Supply Based on ARM", Advanced Materials Research, Vols. 588-589, pp. 936-939, 2012

Online since:

November 2012

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Price:

$38.00

[1] JIANG Tian-tang : submitted to Journal of ZHAOMING GONGCHENG XUEBAO (2011).

[2] CHENG Hong-li, WANG Li-qiang and LIU Jian : submitted to Journal of Electrical Measurement & Instrumentation (2010).

[3] WU Ai-ping, WANG Hong-hua : submitted to Journal of Low-voltage apparatus (2005).