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Adaptive Control of a Scalar 1-D Linear Hyperbolic PDE with Uncertain Transport Speed Using Boundary Sensing

Anfinsen, Henrik; Holta, Haavard H. F.; Aamo, Ole Morten
Peer reviewed, Journal article
Accepted version
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URI
https://hdl.handle.net/11250/2731250
Date
2020
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  • Institutt for teknisk kybernetikk [2277]
  • Publikasjoner fra CRIStin - NTNU [21889]
Original version
American Control Conference (ACC). 2020, 1575-1581.   10.23919/ACC45564.2020.9147863
Abstract
We solve an adaptive boundary control problem for an 1-D linear hyperbolic partial differential equation (PDE) with an uncertain in-domain source parameter and uncertain transport speed using boundary sensing only. Convergence of the parameters to their true values is achieved in finite-time. Since linear hyperbolic PDEs are finite-time convergent in the non-adaptive case, finite-time parameter convergence leads to the system state converging in finite-time. This is achieved by combining a recently derived transport speed estimation scheme using boundary sensing only, with the swapping scheme for hyperbolic PDEs and a least-squares identifier of an event-triggering type. The method is demonstrated in simulations.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Journal
American Control Conference (ACC)

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