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Communication Dans Un Congrès Année : 2018

Robust output regulation of 2 x 2 hyperbolic systems: Control law and Input-to-State Stability

Résumé

We consider the problem of output feedback regulation for a linear first-order hyperbolic system with collocated input and output in presence of a general class of disturbances and noise. The proposed control law is designed through a backstepping approach incorporating an integral action. To ensure robustness to delays, the controller only cancels part of the boundary reflection by means of a tunable parameter. This also enables a trade-off between disturbance and noise sensitivity.We show that the boundary condition of the obtained target system can be transformed into a Neutral Differential Equation (NDE) and that this latter system is Input-to-State Stable (ISS). This proves the boundedness of the controlled output for the target system. This extends previous works considering an integral action for this kind of system [16], and constitutes an important step towards practical implementation of such controllers. Applications and practical considerations, in particular regarding the system’s sensitivity functions are derived in a companion paper.
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Dates et versions

hal-01499686 , version 1 (31-03-2017)
hal-01499686 , version 2 (16-10-2017)

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Pierre-Olivier Lamare, Jean Auriol, Florent Di Meglio, Ulf Jakob F. Aarsnes. Robust output regulation of 2 x 2 hyperbolic systems: Control law and Input-to-State Stability. American and Control Conference, 2018, Milwaukee, United States. ⟨hal-01499686v2⟩
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