Stabilization of an axially moving viscoelastic string under a spatiotemporally varying tension

Kelleche, Abdelkarim; Saedpanah, Fardin

doi:10.1002/mma.5247

Cited by 6 publications

(1 citation statement)

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“…System (1) without disturbance, that is, with d(t) = 0, and similar systems have been studied in several research works [27][28][29][30][31][32][33]. Vibration suppression has been achieved through different types of control [30,[34][35][36][37]. In addition to boundary control techniques, the transverse vibration of an axially moving system can be controlled by regulating the axial velocity and the axial tension [38][39][40][41].…”

Section: Introductionmentioning

confidence: 99%

On stabilization of an axially moving string with a tip mass subject to an unbounded disturbance

Kelleche

Saedpanah

Abdallaoui

2023

Math Methods in App Sciences

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This paper deals with the stabilization problem of an axially moving string with a tip mass attached at the free end and subject to an external disturbance. The disturbance here is not uniformly bounded, and it is assumed to be exponentially increasing. First, the tip mass equation is designed under a boundary controller. By using this equation, the active disturbance rejection control (ADRC) technique is applied to design a disturbance observer, and it is shown that the observer can be estimated exponentially. Then, the closed‐loop system is formulated and the well‐posedness of the model is proved in the framework of the semigroup theory. The stability of the closed‐loop system is then proved by means of the multiplier technique, where the energy system converges to equilibrium with an exponential manner. The efficiency of the obtained results is verified through numerical simulations.

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