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title

A Feedback Linearization Method for Vibration Attenuation of Cantilever Pipes Conveying Fluid by Means of Piezoelectric Actuation

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 1196
Year: 2012
COI code: ISAV02_143
Paper Language: English

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Authors A Feedback Linearization Method for Vibration Attenuation of Cantilever Pipes Conveying Fluid by Means of Piezoelectric Actuation

  Babak Yazdanpanah - Mechanical Engineering Department Name, Shiraz University, University Address,
  Ali Zeighami - bMechanical Engineering Department, Sharif University of Technology, P.O. 111559567

Abstract:

This study is concerned with a feedback linearization approach for vibration attenuation of cantilever pipes conveying fluid with piezoelectric actuators. A nonlinear control system isformulated based on the nonlinear dynamic equations of cantilever pipes conveying fluid with piezoelectric. Employing the Galerkin's technique, discretization of nonlinear partial differentialequations of motion is performed. The control input is given by the electric fieldsneeded to drive the piezoelectric actuators, which is modelled by linear piezoelectric constitutive relations. The nonlinear output of the system is taken as a feedback and used to turn itinto an equivalent controllable linear system in new coordinates. This process is made possibleby formulating nonlinear feedback control laws which annul the nonlinear dynamics. By performing the pole placement method, the states of the feedback linearized model became locally asymptotically stable at a given equilibrium. Eventually, simulation results are presented for feedback linearization of a pipe conveying fluid with different fluid velocities and mass ratios considering the first mode's amplitude as the output

Keywords:

Feedback Linearization, Piezoelectric, Pipes Conveying Fluid, Vibration Control

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COI code: ISAV02_143

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Yazdanpanah, Babak & Ali Zeighami, 2012, A Feedback Linearization Method for Vibration Attenuation of Cantilever Pipes Conveying Fluid by Means of Piezoelectric Actuation, 2nd International Conference on Acoustics and Vibration, تهران, دانشگاه صنعتي شريف, https://www.civilica.com/Paper-ISAV02-ISAV02_143.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Yazdanpanah, Babak & Ali Zeighami, 2012)
Second and more: (Yazdanpanah & Zeighami, 2012)
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Type: state university
Paper No.: 16015
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