Design and Qualitative Robustness Analysis of an DOBC Approach for DC-DC Buck Converters With Unmatched Circuit Parameter Perturbations

被引：72
作者：
Yang, Jun [1 ]
Wu, Bin [1 ]
Li, Shihua [1 ]
Yu, Xinghuo [2 ]
机构：
[1] Southeast Univ, Sch Automat, Minist Educ, Key Lab Measurement & Control CSE, Nanjing 210096, Jiangsu, Peoples R China
[2] RMIT Univ, Platform Technol Res Inst, Melbourne, Vic 3001, Australia
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2016年 / 63卷 / 04期
基金：
中国国家自然科学基金;
关键词：
DC-DC buck converters; disturbance observer; performance recovery; robustness performance; unmatched uncertainties; DISTURBANCE ATTENUATION; STABILITY ANALYSIS; POWER CONVERTERS; FEEDBACK-CONTROL; DC/DC CONVERTER; MODE CONTROL; SYSTEMS; MPC; FEEDFORWARD; REJECTION;
D O I：
10.1109/TCSI.2016.2529238
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A disturbance observer-based control (DOBC) approach is proposed in this paper for control design and qualitative robustness analysis of PWM-based DC-DC buck power converters. A disturbance compensation gain is constructed for the composite control algorithm to cancel the unmatched uncertainties in the output voltage channel. Rigorous criterion is provided to show the quantitative robustness between controller parameters and circuit uncertainties. The DOBC approach delivers not only a promising disturbance rejection performance but also a superior property of tracking performance recovery. The feasibility and efficiency of the proposed approach is validated by experimental results based on LabVIEW real-time control test setup.
引用
收藏
页码：551 / 560
页数：10
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