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The 22st Annual International Conference on Mechanical Engineering-ISME2014

Roya Salehzadeh, Firooz Bakhtiari- Nejad

2014Englishmechanicsmechanical engineeringvibration controlrotating beampiezoelectric actuatorflexural torsional

Abstract

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Vibration of various structures such as blades of turbines, helicopters, and all kinds of rotating robot arms can damage the structures and disrupt their performance/balance. Thus, investigation of the reduction and control of vibration of these structures is significant. In this paper, the coupling and nonlinear flexural-torsional vibration of a rotating beam in the presence of a piezoelectric layer is considered. The von Karman strain-displacements are used for deriving the potential equation. The nonlinear equations of motion are obtained based on Hamilton’s principle and two ordinary differential equations are derived by the assumed mode method. Besides, a feedback linearization control strategy is proposed for suppressing the vibration of a rotating beam. According to the equation of motion, flexural and torsion vibration are coupled together. Therefore, control of the flexural mode can result in control of the whole system.

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Cite This Work

@article{ac794a81-29c5-4d3e-8de2-137c24f77c0f,
  title={The 22st Annual International Conference on Mechanical Engineering-ISME2014},
  author={Roya Salehzadeh and Firooz Bakhtiari- Nejad},
  year={2014},
  language={English}
}
TY  - JOUR
TI  - The 22st Annual International Conference on Mechanical Engineering-ISME2014
AU  - Roya Salehzadeh
AU  - Firooz Bakhtiari- Nejad
PY  - 2014
LA  - English
ER  -

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