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In this paper an approach to designing controller for a VSC HVDC terminal which is robust over a range of operating points is presented. The operating range of the terminal is first characterized as an uncertainty region around a linear nominal model using the operating points of a non-linear model. Linear fractional transformation (LFT) uncertainty model is constructed using a technique based on the singular value decomposition. An LMI based formulation is then used to synthesize controller which optimizes the performance over a range of operating conditions. Numerical simulation confirms that the designed controller achieves good trade-off between the robustness and performance on the non-linear model.
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Tom
Strony
5--13
Opis fizyczny
Bibliogr. 8 poz., rys., tab., wykr.
Twórcy
Bibliografia
- Apkarian, P., Becker, G., Gahinet, P., Kajiwara, H., 1995, LMI Techniques in Control Engineering: from Theory to Practice, SIAM.
- Chilali, M., Gahinet, P., 1996, H∞-design with pole placement constraints: An LMI approach, IEE Trans. On Automatic Control, 41 (3), 358-367.
- Durrunt, M., Aleksic, K., Werner, H., Abbott, K., 2005, Comparison of LMI based H2 control designs for VSC-HVDC transmission, IF AC World Congress, 2005, 354-360.
- Durrunt, M., Werner, H., Abbott, K., 2003, Model of a VSC HVDC terminal attached to a weak AC system, IEEE CCA 2003 Proceedings.
- Durrunt, M., Werner, H., Abbott, K., 2004, Synthesis of multi-objective controllers for a VSC HVDC terminal using LMIs, IEEE CDC 2004 Proceedings.
- Farag, A., A practical Approach to Control Design using Linear Matrix Inequalities, PhD thesis, TUHH Hamburg.
- Gahinet, P., Nemirovski, A., Laub, A., Chilali, M., 1995, LMI Control Toolbox, The Mathworks Inc.
- Schettler, F., Huang, H., Christl, N., 2000, HVDC transmission using voltage sourced converters - Design and Applications, IEEE summer power meeting, Seattle.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWAD-0002-0018