电源学报

不对称半桥LED恒流源数字自适应低频纹波补偿控制

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乔之勇中国电源学会会员 ¹^,² , 王顺利 ¹ , 张楠 ³ , 刘知贵 ¹

电源学报 | 电力电子变换器建模与控制 2026,24(1): 109-123

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电源学报 |电力电子变换器建模与控制 2026 , 24 (1) : 109 -123

不对称半桥LED恒流源数字自适应低频纹波补偿控制

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乔之勇中国电源学会会员¹^,², 王顺利¹, 张楠³, 刘知贵¹

作者信息

^1.西南科技大学信息工程学院，绵阳　621000

^2.绵阳职业技术学院电子与信息学院，绵阳　621000

^3.绵阳脉科电子科技有限公司，绵阳　621000

通讯作者:

刘知贵（1966—　），男，通信作者，博士，教授。研究方向：系统辨识与建模。E-mail：liuzhigui@swust.edu.cn。

作者简介:

乔之勇（1978—　），男，中国电源学会会员，博士，副教授。研究方向：LED电源。E-mail：qzy5950998@163.com。

王顺利（1985—　），男，博士，副教授。研究方向：新能源测控。E-mail：wangshunli@swust.deu.cn。

张楠（1971—　），男，本科，工程师。研究方向：连续和脉冲功率系统特种电源研究。E-mail：zhangnan783.6@163.com。

Digital Adaptive Low-frequency Ripple Compensation Control for Asymmetrical Half-bridge LED Constant-current Driver

Zhiyong QIAO Member, CPSS¹^,², Shunli WANG¹, Nan ZHANG³, Zhigui LIU¹

Affiliations

^1.School of Information Engineering, Southwest University of Science and Technology, Mianyang 621000, China

^2.College of Electronics and Information, Mianyang Polytechnic, Mianyang 621000, China

^3.Mianyang Maike Electronic Technology Co., Ltd., Mianyang 621000, China

出版时间: 2026-01-30 doi: 10.13234/j.issn.2095-2805.2026.1.109

文章导航

摘要

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为兼顾大功率LED光源对长寿命、高效率、低纹波和智能化等性能指标的要求，在深入分析无电解化Boost不对称半桥AHB（asymmetric half-bridge）变换器LED恒流源低频二次纹波补偿特性的基础上，提出了基于数字预测电流模式的AHB LED恒流源自适应低频纹波补偿控制算法。MATLAB仿真结果表明，所提出的控制算法能自适应输入电压和负载的变化，在整个调光范围均能有效减小流经LED的低频二次纹波电流。

关键词

LED恒流源 / 不对称半桥变换器 / 无电解电容 / 自适应低频纹波补偿控制 / 数字预测电流模式

Abstract

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To meet the requirements of long life, high efficiency, low ripple and intelligence of a high-power LED light source, based on an in-depth analysis of the characteristics of low-frequency secondary ripple compensation of a Boost asymmetric half-bridge (AHB) converter LED constant-current driver without an electrolytic capacitor, an adaptive low-frequency ripple compensation control algorithm for an AHB LED constant-current driver in digital predictive current mode was proposed. MATLAB simulation results show that the proposed control algorithm can adapt to the changes in input voltage and load and effectively reduce the low-frequency secondary ripple current flowing through the LED in the whole dimming range.

Key words

LED constant-current driver / asymmetric half-bridge converter / electrolytic capacitor-less / adaptive low-frequency ripple compensation control / digital predictive current mode

引用本文

乔之勇中国电源学会会员, 王顺利, 张楠, 刘知贵. 不对称半桥LED恒流源数字自适应低频纹波补偿控制. 电源学报, 2026 , 24 (1) : 109 -123 . DOI: 10.13234/j.issn.2095-2805.2026.1.109

Zhiyong QIAO, Shunli WANG, Nan ZHANG, Zhigui LIU. Digital Adaptive Low-frequency Ripple Compensation Control for Asymmetrical Half-bridge LED Constant-current Driver[J]. Journal of Power Supply, 2026 , 24 (1) : 109 -123 . DOI: 10.13234/j.issn.2095-2805.2026.1.109

基金

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国家自然科学基金资助项目(62173281)

参考文献

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2026年第24卷第1期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.1.109

接收时间：2023-02-08
首发时间：2026-10-26
出版时间：2026-01-30

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出版历史

收稿日期：2023-02-08
修回日期：2023-07-19
录用日期：2023-08-09

基金

National Natural Science Foundation of China(62173281)

国家自然科学基金资助项目(62173281)

作者信息

^1.西南科技大学信息工程学院，绵阳　621000

^2.绵阳职业技术学院电子与信息学院，绵阳　621000

^3.绵阳脉科电子科技有限公司，绵阳　621000

通讯作者:

刘知贵（1966—　），男，通信作者，博士，教授。研究方向：系统辨识与建模。E-mail：liuzhigui@swust.edu.cn。

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.1.109

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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