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2001 | 11 | 1 | 7-33
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Well-posed linear systems - a survey with emphasis on conservative systems

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We survey the literature on well-posed linear systems, which has been an area of rapid development in recent years. We examine the particular subclass of conservative systems and its connections to scattering theory. We study some transformations of well-posed systems, namely duality and time-flow inversion, and their effect on the transfer function and the generating operators. We describe a simple way to generate conservative systems via a second-order differential equation in a Hilbert space. We give results about the stability, controllability and observability of such conservative systems and illustrate these with a system modeling a controlled beam.
Opis fizyczny
  • Department of Electrical and Electronic Engineering, Imperial College of Science and Technology, Exhibition Road, London SW7 2BT, United Kingdom
  • Department of Mathematics, Abo Akademi University, FIN-20500 Abo, Finland
  • Department of Mathematics, University of Nancy-I, POB 239, Vandoeuvre les Nancy 54506, France
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