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Design of Observer-Based H∞ Controller for Robust Stabilization of Networked Systems Using Switched Lyapunov Functions | ||
| AUT Journal of Modeling and Simulation | ||
| مقاله 3، دوره 50، شماره 1، شهریور 2018، صفحه 23-30 اصل مقاله (786.3 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22060/miscj.2017.12188.5013 | ||
| نویسندگان | ||
| A. Farnam1؛ R. Mahboobi Esfanjani* 2 | ||
| 1SYSTEMS Research Group, Ghent University, Ghent, Belgium | ||
| 2Department of Electrical Engineering, Sahand University of Technology, Tabriz, Iran | ||
| چکیده | ||
| In this paper, a H. controller is synthesized for networked systems subject to random transmission delays with known upper bound and different occurrence probabilities in both feedback (sensor to controller) and forward (controller to actuator) channels. A remote observer is employed to improve the performance of the system by computing non-delayed estimates of the states. The closed-loop system is described in the framework of switched systems; then, a switched Lyapunov function is utilized to obtain conditions to determine the gains of the observer and the controller such that robust asymptotic stability of the system is assured. Two illustrative examples are presented to demonstrate the real-world applicability and superiority of the proposed approach compared to rival ones in the literatue. | ||
| کلیدواژه‌ها | ||
| Networked Control System؛ H∞ controller؛ State observer؛ Random delays؛ Switched Lyapunov functions | ||
| مراجع | ||
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