On the estimation of asymptotic stability regions for autonomous nonlinear systems |
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Authors: | LOCCUFIER M; NOLDUS E |
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Institution: |
Department of Control Engineering and Automation, University of Ghent Technologiepark-Zwijnaarde 9, B-9052 Gent, Belgium
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Abstract: | The problem of computing regions of asymptotic stability forautonomous nolinear systems is reconsidered. A two-step procedureis proposed in which a suitable global Lyapunov function isfirst constructed to prove the system's nonoscillatory behaviour.Subsequently the Lyapunov function is used to compute the initialstates for a trajectory-reversing technique to estimate thesystem's stability boundaries. The method combines computationalefficiency and accuracy in obtaining a close estimate of theexact region of attraction of a stable equilibrium state. |
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