Abstract
The paper is concerned with the finite-time stabilization of a hybrid PDE-ODE system which may serve as a model for the motion of an overhead crane with a flexible cable. The dynamics of the flexible cable is assumed to be described by the wave equation with constant coefficients. Using a nonlinear feedback law inspired by those given by Haimo (SIAM J Control Optim 24(4):760–770, 1986) for a second-order ODE, we prove that a finite-time stabilization occurs for the full system platform \(+\) cable. The global well-posedness of the system is also established by using the theory of nonlinear semigroups.
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Acknowledgements
This work was done when Iván Moyano was visiting Centre de Robotique, MINES ParisTech, as a postdoctoral student. Iván Moyano thanks Centre de Robotique, MINES ParisTech, for its hospitality. The authors were supported by the ANR project Finite4SoS (ANR-15-CE23-0007). LR was also partially supported by the MathAmSud project Icops.
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d’Andréa-Novel, B., Moyano, I. & Rosier, L. Finite-time stabilization of an overhead crane with a flexible cable. Math. Control Signals Syst. 31, 1–19 (2019). https://doi.org/10.1007/s00498-019-0235-7
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DOI: https://doi.org/10.1007/s00498-019-0235-7
Keywords
- Finite-time stability
- PDE-ODE system
- Nonlinear feedback law
- Nonlinear semigroups
- Transparent boundary conditions
- Wave equation