A Robust Approach to Controller Design for DC-DC Quasi-Resonant Converters
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概要
- 論文の詳細を見る
DC-DC quasi-resonant converters (QRCs) have a highly nonlinear and time-varying behavior as well as other types of DC-DC resonant converters such as conventional and multi-resonant converters. Changing in operating conditions, mainly due to variation in load and line disturbance, leads to significant changes on system dynamics so that desired performance and even stability are lost. Taking into consideration the uprising need for high-quality resonant power converters has opened a new research window on the control of these systems using modern and systematic approaches.In this paper in order to achieve both stability and desired performance, such as reduced sensitivity to load variations, desired disturbance rejection, reduced output impedance and attenuated transfer from input to output, we have proposed a methodology based on μ-synthesis technique for DC-DC QRCs controller design. The μ-analysis is used to verify the robustness of the designed controller. The proposed control strategy is applied to a typical zero-current switching QRC and nonlinear simulation is performed using nonlinear model of converter circuit. The simulation results demonstrate the good reference voltage tracking, line disturbance rejection and show that the designed procedure guarantees the robust stability and robust performance for a wide range of load variation.
- 社団法人 電気学会の論文
- 2004-01-01
著者
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Bevrani Hassan
Department of Computer Science and Electrical Engineering, Kumamoto University
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Bevrani Hassan
Department Of Electrical Engineering Osaka University
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Bevrani Hassan
Department Of Computer Science And Electrical Eng. Kumamoto University
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Tsuji K
Department Of Electrical Engineering Osaka University
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Tsuji Kiichiro
Department Of Electrical Engineering Faculty Of Engineering Graduate School Of Osaka University
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ISE Toshifumi
Department of Electrical Engineering, Osaka University
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Ise Toshifumi
Department Of Electrical Engineering Osaka University
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MITANI Yasunori
Department of Electrical Engineering, Faculty of Engineering, Graduate School of Osaka University
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Mitani Y
Department Of Electrical Engineering Kyushu Institute Of Technology Kyushu
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Mitani Yasunori
Department Of Electrical Engineering Faculty Of Engineering Graduate School Of Osaka University
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