基于电流基准的开关变换器脉冲序列控制方法

秦明; 许建平; 高玉; 王金平

doi:10.7498/aps.61.030204

摘要

提出和分析了一种新的开关DC-DC变换器控制方法,基于电流基准的脉冲序列(current referenced pulse train,CR-PT)控制方法.CR-PT控制方法通过在每个开关周期检测和比较变换器的输出电压和负载电流,在多个等级不同的预设脉冲中选取其一作为该周期的有效控制信号.以Buck变换器为例对CR-PT控制方法的工作原理、实现方式、控制规律、稳态和瞬态特性进行了详细研究.研究结果表明:CR-PT控制在具有瞬态响应速度快、设计和实现简单易行稳定性好等优点的同时,其稳态性能远优于已有的脉冲序列控制.

关键词:

Abstract

A new control technique, current referenced pulse train (CR-PT), applied to switching dc-dc converter is proposed and analyzed in this paper. By sensing and comparing the output voltage and the load current at each switching cycle, an appropriate pulse is selected from among several preset pulses as an active control signal of converter. A buck converter is taken as an example to illustrate the principle, the application, the regulation, the steady state performance and the transient performance of CR-PT control scheme. The study results show that the CR-PT control enjoys the fast transient response, the convenient implementation and the stability, and the steady state performance of CR-PT control is much better than that of pulse train control.

Keywords:

作者及机构信息

1.
西南交通大学电气工程学院, 成都 610031

基金项目: 国家自然科学基金(批准号: 50677056)资助的课题.

Authors and contacts

1.
School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 50677056).

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[18]	Khaligh A, Emadi A 2008 IEEE Trans. on Aerospace and ElectronicSystems 44 766
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施引文献

[1]	Zhang X T, Ma X K, Zhang H 2008 Acta Phys. Sin. 57 6174 (in Chinese) [张笑天, 马西奎, 张浩 2008 物理学报 57 6174]
[2]	Zhao Y B, Zhang D Y, Zhang C J 2007 Chin. Phys. 16 933
[3]	Tan S C, Lai Y M, Tse C K 2008 IEEE Trans. on Power Electronics23 600
[4]	Liu J B, Ming W L 2010 Proceedings of the CSEE 30 55 (in Chinese) [刘锦波, 明文龙 2010 中国电机工程学报 30 55]
[5]	Lai X Q, Li Z H, Yuan B, Wang H, Ye Q, Zhao Y R 2010 ActaPhys. Sin. 59 2256 (in Chinese) [来新泉, 李祖贺, 袁冰, 王慧, 叶强, 赵永瑞 2010 物理学报 59 2256]
[6]	Zhou Y F, Tse C K, Qiu S S, Chen J N 2005 Chin. Phys. 14 61
[7]	Le J Y, Xie Y X, Hong Q Z, Zhang Z, Chen L 2011 Proceedingsof the CSEE 31 16 (in Chinese) [乐江源, 谢运祥, 洪庆祖, 张志, 陈林 2011 中国电机工程学报 31 16]
[8]	Zhang Y, Zhang H, Ma X K 2010 Acta Phys. Sin. 59 8432 (in Chinese) [张源, 张浩, 马西奎 2010 物理学报 59 8432]
[9]	Shuai D X, Xie Y X, Wang X G, Zhou F X 2009 Proceedings ofthe CSEE 29 15 (in Chinese) [帅定新, 谢运祥, 王晓刚, 周福星 2009 中国电机工程学报 29 15]
[10]	Lu W G, Zhou L W, Luo Q M, Du X 2007 Acta Phys. Sin. 566275 (in Chinese) [卢伟国, 周雒维, 罗全明, 杜雄 2007 物理学报 56 6275]
[11]	Luo P, Xiong F G, Li Z J 2004 Acta Electronica Sin. 32 1829 (in Chinese) [罗萍, 熊富贵, 李肇基 2004 电子学报 32 1829]
[12]	Niu Q M, Luo P, Li Z J, Zhang B 2006 J. Electron. Inform. Technol.28 1955 (in Chinese) [牛全民, 罗萍, 李肇基, 张波 2006 电子与信息学报 28 1955]
[13]	Liu Y G, Luo P, Zhang B, Li Z J 2009 Trans. China Electrotech.Soc. 24 153 (in Chinese) [刘永根, 罗萍, 张波, 李肇基 2009 电工技术学报 24 153]
[14]	Khaligh A, Rahimi A M, Emadi A 2007 IEEE Trans. on VehicularTechnology 56 2005
[15]	Telefus M, Shteynberg A, Ferdowsi M, Emadi A 2004 IEEETrans. on Power Electronics 19 757
[16]	Xu J P, Mu Q B, Wang J P, Qin M 2010 Electric Machines andControl 14 1 (in Chinese) [许建平, 牟清波, 王金平, 秦明 2010 电机与控制学报 14 1]
[17]	Rahimi A M, Emadi A 2010 IEEE Trans. on Industrial Electronics57 1318
[18]	Khaligh A, Emadi A 2008 IEEE Trans. on Aerospace and ElectronicSystems 44 766
[19]	Qin M, Xu J P 2009 Acta Phys. Sin. 58 7603 (in Chinese) [秦明, 许建平 2009 物理学报 58 7603]
[20]	Qin M, Xu J P 2010 IEEE Trans. on Industrial Electronics 573497
[21]	Luo F, Ma D S 2009 IEEE Trans. on Circuits and Systems IIExpressBriefs 56 152
[22]	Xu J P 1993 Int. J. Electron. 74 477
[23]	Zhang Z S, Cai X S 2004 Principle and Design of Switching Supply(Beijing: Publishing House of Electronics Industry) p20 (in Chinese) [张占松, 蔡宣三 2004 开关电源的原理与设计 (北京: 电子工业出版社) 第20页]

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