A dynamic control law for the wave equation
Date
1994
Authors
Morgül, Ö.
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Source Title
Automatica
Print ISSN
0005-1098
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Publisher
Elsevier
Volume
30
Issue
11
Pages
1785 - 1792
Language
English
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Journal Title
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Abstract
We consider a system described by the one-dimensional linear wave equation in a bounded domain with appropriate boundary conditions. To stabilize the system, we propose a dynamic boundary controller applied at the free end of the system. The transfer function of the proposed controller is restricted to be a positive real function which could be strictly proper. We then show that, if the transfer function of the controller is strictly proper, then the resulting closed-loop system is asymptotically stable, and if proper but not strictly proper, then the resulting closed-loop system is exponentially stable.
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Keywords
Boundary value problems , Distrubuted parameter systems , Lyapunov methods , Partial differential equations , Stability , Boundary conditions , Boundary value problems , Distributed parameter control systems , Lyapunov methods , Partial differential equations , System stability , Transfer functions , Dynamic control law , Linear wave equation , Control system analysis