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Model Reference Adaptive Control of 2 x 2 Coupled Linear Hyperbolic PDEs

Anfinsen, Henrik; Aamo, Ole Morten
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2581219
Date
2018
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  • Institutt for teknisk kybernetikk [2240]
  • Publikasjoner fra CRIStin - NTNU [20842]
Original version
IEEE Transactions on Automatic Control. 2018, 63 (8), 2405-2420.   10.1109/TAC.2017.2767378
Abstract
We solve a model reference adaptive control problem for a class of linear 2 × 2 hyperbolic partial differential equations (PDEs) with uncertain system parameters subject to harmonic disturbances, from a single boundary measurement anticollocated with the actuation. This is done by transforming the system into a canonical form, from which filters are designed so that the states can be expressed as linear combinations of the filters and uncertain parameters, a representation facilitating for the design of adaptive laws. A stabilizing controller is then combined with the adaptive laws to make the measured signal asymptotically track the output of a reference model. The reference model is taken as a simple transport PDE. Moreover, pointwise boundedness of all variables in the closed loop is proved, provided the reference signal is bounded. The theory is demonstrated in a simulation.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Journal
IEEE Transactions on Automatic Control

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