Robust controller design for a DC-DC ZCS converter using µ-synthesis and analysis
Bevrani, Hassan, Ise, Toshifumi, Mitani, Yasunori, & Tsuji, Kiichiro (2002) Robust controller design for a DC-DC ZCS converter using µ-synthesis and analysis. In 2002 IEEJ Technical Meeting, 2002, Nagona, Japan.
Resonant converters have a highly nonlinear and time-varying nature. Any change in operating conditions leads to significant changes in system dynamical model so that desired performance and even stability are lost. This situation is mainly due to variation in load and line voltage. Taking into consideration the uprising need for high-quality resonant power converters comes the need for modern and systemic approaches to the control of these systems. In this paper to access both satisfactory stability and satisfactory performance, such as reduced sensitivity to load variations, satisfactory disturbance rejection, reduced output impedance, and attenuated transfer from input to output, we have used a systematic approach to design a controller based on mu-synthesis technique for a Zero-Current Switching (ZCS) converter. The mu-analysis is used to verify the robustness of the designed controller. Simulations demonstrate the good reference voltage tracking and show that the designed procedure guarantees the robust stability and robust performance for a wide range of load variation.
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|Item Type:||Conference Paper|
|Additional Information:||Self-archiving of the author-version is not yet supported by this publisher.
For more information, please refer to the publisher's website (see hypertext link) or contact the author.
|Keywords:||Robust control, ZCS, Resonant converter, mu, synthesis, Robust performance|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2002 The Institute of Electrical Engineers of Japan (IEEJ)|
|Deposited On:||01 Sep 2008 00:00|
|Last Modified:||09 Jun 2010 13:03|
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