Robust Controller Design of Uncertain Large Scale Power Systems with Time-varying State and Input Delays
碩士 === 國立高雄應用科技大學 === 電機工程系 === 97 === The problems of observer-based robust stabilization of uncertain linear system models of large scale power systems with time-varying state and input delays with norm-bounded parametric uncertainty are studied in this thesis. The Lyapunov-Krasovskii functionals...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2009
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| Online Access: | http://ndltd.ncl.edu.tw/handle/52181429532837751513 |
| Summary: | 碩士 === 國立高雄應用科技大學 === 電機工程系 === 97 === The problems of observer-based robust stabilization of uncertain linear system models of large scale power systems with time-varying state and input delays with norm-bounded parametric uncertainty are studied in this thesis. The Lyapunov-Krasovskii functionals are modified and expanded. Then, sufficient conditions are given for the existence of the state observer and observer-based robust controller for such uncertain system via the Lyapunov-Krasovskii functional. The detail design procedure of the state observer and observer-based robust controller are presented by solving two-stage two linear matrix inequalities (LMIs). Because of the length and complexity of the Lyapunov-Krasovskii functionals, the design methods in the literature are of two-stage ay present. The proposed idea is extended to investigate the problems of observer-based control. At the end of each subsection, practical examples are given to illustrate the effectiveness of the proposed approach.
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