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Abstract
This letter presents a new detectability criterion and a new observer design method for a class of linear time varying systems. The concept is based on the stabilization of the system’s non-negative Lyapunov exponents. The proposed observer design guarantees exponential convergence of the estimation error. Compared to classical techniques, the computational complexity of the resulting observer is drastically reduced if the number of non-negative Lyapunov exponents is small compared to the system order. A numerical simulation example demonstrates the effectiveness of the proposed approach.
Original language | English |
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Article number | 8758319 |
Pages (from-to) | 331-336 |
Number of pages | 6 |
Journal | IEEE Control Systems Letters |
Volume | 4 |
Issue number | 2 |
DOIs | |
Publication status | Published - Apr 2020 |
Event | 58th Conference on Decision and Control - Nice, France Duration: 11 Dec 2019 → 13 Dec 2019 |
Keywords
- Time-varying systems
- observers for linear systems
- Lyapunov exponents
ASJC Scopus subject areas
- Control and Optimization
- Control and Systems Engineering
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Dive into the research topics of 'Detectability Analysis and Observer Design for Linear Time Varying Systems'. Together they form a unique fingerprint.Projects
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Dependable Internet of Things
Boano, C. A., Kubin, G., Bloem, R., Horn, M., Pernkopf, F., Zakany, N., Mangard, S., Witrisal, K., Römer, K. U., Aichernig, B., Bösch, W., Baunach, M. C., Tappler, M., Malenko, M., Weiser, S., Eichlseder, M., Leitinger, E., Grosinger, J., Großwindhager, B., Ebrahimi, M., Alothman Alterkawi, A. B., Knoll, C., Teschl, R., Saukh, O., Rath, M., Steinberger, M., Steinbauer-Wagner, G. & Tranninger, M.
1/01/16 → 31/03/22
Project: Research project