Input-to-State Stability of a Clamped-Free Damped String in the Presence of Distributed and Boundary Disturbances

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Title: Input-to-State Stability of a Clamped-Free Damped String in the Presence of Distributed and Boundary Disturbances
Authors: Lhachemi, HugoSaussié, DavidZhu, GuchuanShorten, Robert
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Date: Mar-2020
Online since: 2021-02-23T11:33:40Z
Abstract: This note establishes the exponential input-to-state stability (EISS) property for a clamped-free damped string with respect to distributed and boundary disturbances. While efficient methods for establishing ISS properties for distributed parameter systems with respect to distributed disturbances have been developed during the last decades, establishing ISS properties with respect to boundary disturbances remains challenging. One of the well-known methods for well-posedness analysis of systems with boundary inputs is the use of a lifting operator for transferring the boundary disturbance to a distributed one. However, the resulting distributed disturbance involves time derivatives of the boundary perturbation. Thus, the subsequent ISS estimate depends on its amplitude, and may not be expressed in the strict form of ISS properties. To solve this problem, we show for a clamped-free damped string equation that the projection of the original system trajectories in an adequate Riesz basis can be used to establish the desired EISS property.
Funding Details: Science Foundation Ireland
Funding Details: I-Form industry partners
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Automatic Control
Volume: 65
Issue: 3
Start page: 1248
End page: 1255
Copyright (published version): 2019 IEEE
Keywords: Boundary disturbanceDistributed parameter systemsInput-to-state stability
DOI: https://10.1109/TAC.2019.2925497
Language: en
Status of Item: Peer reviewed
This item is made available under a Creative Commons License:
Appears in Collections:Electrical and Electronic Engineering Research Collection
I-Form Research Collection

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