[1]杨云虎,周克亮,卢闻州.三相PWM逆变器鲁棒重复控制策略[J].东南大学学报(自然科学版),2011,41(4):750-756.[doi:10.3969/j.issn.1001-0505.2011.04.018]
 Yang Yunhu,Zhou Keliang,Lu Wenzhou.Robust repetitive control strategy for three-phase PWM inverter[J].Journal of Southeast University (Natural Science Edition),2011,41(4):750-756.[doi:10.3969/j.issn.1001-0505.2011.04.018]
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三相PWM逆变器鲁棒重复控制策略()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
41
期数:
2011年第4期
页码:
750-756
栏目:
电气工程
出版日期:
2011-07-20

文章信息/Info

Title:
Robust repetitive control strategy for three-phase PWM inverter
作者:
杨云虎周克亮卢闻州
(东南大学电气工程学院,南京 210096)
Author(s):
Yang YunhuZhou KeliangLu Wenzhou
(School of Electrical Engineering, Southeast University, Nanjing 210096, China)
关键词:
PWM逆变器鲁棒控制重复控制总谐波畸变率
Keywords:
PWM(pulse-width modulation) inverters robust control repetitive control total harmonic distortion
分类号:
TM464
DOI:
10.3969/j.issn.1001-0505.2011.04.018
摘要:
为了提高三相CVCF PWM逆变器波形的控制性能(同时具有动态响应快、稳定误差小和鲁棒性好等优点),提出了鲁棒重复控制策略.首先采用鲁棒控制理论对两类不确定建模; 然后引进一个虚拟的复不确定Δk代替重复控制器中的长延迟环节z-N+m,将重复控制器集成到鲁棒反馈控制器设计之中形成鲁棒重复控制方案.实验结果表明,采用鲁棒重复控制策略控制的三相逆变器,即使在非线性负载情况下也能保证输出电压的THD含量低、跟踪精度高、响应快; 并且在参数变化和负载突变扰动的情况下,仍具有良好的鲁棒性.
Abstract:
A robust repetitive control (RRC) strategy is proposed for three-phase CVCF PWM(pulse-width modulation) inverters to improve waveform control performance, i. e. , fast dynamic response, good robustness, low steady-errors, etc. First, robust control theory was adopted to model two uncertainties; after that, one fictitious complex uncertainty Δk was introduced to replace long delay cell z-N+m in repetitive controller, then a repetitive controller was integrated into designing robust feedback controller. Experimental results demonstrate that RRC controlled three-phase constant-voltage constant-frequency pulse-width modulation inverter can produce high quality output voltages with low total harmonic distortion and high tracking accuracy even in the presence of rectifier loads. It has fast dynamic response, and good robustness under load disturbances and parameter variations.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:杨云虎(1973—),男,博士生;周克亮(联系人),男,博士,教授,博士生导师,ekzhou@seu.edu.cn.
基金项目:国家自然科学基金资助项目(50977013)、教育部博士点基金资助项目(20070286013)、江苏省“六大人才”高峰资助项目(2008116).
引文格式: 杨云虎,周克亮,卢闻州.三相逆变器鲁棒控制策略[J].东南大学学报:自然科学版,2011,41(4):750-756.[doi:10.3969/j.issn.1001-0505.2011.04.018]
更新日期/Last Update: 2011-07-20