电源技术2012,Vol.36Issue(5):729-731,3.
一种新型的高性能LED驱动电源设计
Design of a novel high-performance led driving power supply
摘要
Abstract
Light-emitting diode (LED) is used more and more widely in lighting due to its high luminous efficiency, long service life, no pollution and other advantages. But the high performance control of LED is limited by its nonlinear volt-ampere characteristics and temperature sensitivity. In this paper, a new LEO driving power was proposed. The flyback converter was adopted as the main circuit, one cycle controller(OCC) and conditioning technology integration limit anti-saturation(Anti-windup)controller were designed to realize the constant voltage control and constant current control of the high-power LED respectively, the dimming function based on PWM could also be achieved. The simulation results show that using this driving power supply, the dynamic performance, steady state accuracy and anti-disturbance performance of the system were improved effectively,关键词
发光二极管/单周期控制/反激变换/Anti-windup/PWMKey words
LED/ one-cycle control/ Flyback/ anti-windup/ PWM分类
信息技术与安全科学引用本文复制引用
周园,沈艳霞..一种新型的高性能LED驱动电源设计[J].电源技术,2012,36(5):729-731,3.基金项目
国家基金(61104183) (61104183)
教育部新世纪优秀人才支持计划(NCET-10-0437) (NCET-10-0437)
中央高技基本科研业务费专项资金资助(JUSRP31106) (JUSRP31106)