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Article Dans Une Revue IEEE Transactions on Automatic Control Année : 2024

Output-feedback stabilization of an underactuated network of N interconnected n + m hyperbolic PDE systems

Jean Auriol

Résumé

In this article, we detail the design of an output feedback stabilizing control law for an underactuated network of N subsystems of n + m heterodirectional linear first-order hyperbolic Partial Differential Equations interconnected through their boundaries. The network has a chain structure, as only one of the subsystems is actuated. The available measurements are located at the opposite extremity of the chain. The proposed approach introduces a new type of integral transformation to tackle in-domain couplings in the different subsystems while guaranteeing a "clear actuation path" between the control input and the different subsystems. Then, it is possible to state several essential properties of each subsystem: output trajectory tracking, input-to-state stability, and predictability (the possibility of designing a state prediction). We recursively design a stabilizing state-feedback controller by combining these properties. We then design a state-observer that reconstructs delayed values of the states. This observer is combined with the state-feedback control law to obtain an output-feedback controller. Simulations complete the presentation.

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Dates et versions

hal-04697406 , version 1 (13-09-2024)

Identifiants

  • HAL Id : hal-04697406 , version 1

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Jean Auriol. Output-feedback stabilization of an underactuated network of N interconnected n + m hyperbolic PDE systems. IEEE Transactions on Automatic Control, In press. ⟨hal-04697406⟩
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