Free vibration control of a cantilever MR fluid based sandwich beam

The subject of the paper is vibration control of a cantilever beam with magnetorheological (MR) fluid. Based on the results of identification and energy analysis, a simple semiactive vibration control algorithm for free vibrations of the beam based on switching the system equivalent stiffness betwee...

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Published in2013 14th International Carpathian Control Conference pp. 311 - 314
Main Author Romaszko, Mateusz
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2013
Subjects
cantilever beam
control
Damping
Electromagnets
Magnetic fields
MR fluid
Switches
vibration
Vibration control
Vibrations
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ISBN1467344885
9781467344883
DOI10.1109/CarpathianCC.2013.6560560

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Abstract The subject of the paper is vibration control of a cantilever beam with magnetorheological (MR) fluid. Based on the results of identification and energy analysis, a simple semiactive vibration control algorithm for free vibrations of the beam based on switching the system equivalent stiffness between two distinct values was proposed. The algorithm was realized by controlling the current supplying the electromagnet. The MR fluid contained in the beam was activated by a magnetic field and under the impact of magnetic field enables the changing of its stiffness and damping properties. The free vibrations of the beam were investigated for constant current and current varied according to the assumed control algorithm.
AbstractList The subject of the paper is vibration control of a cantilever beam with magnetorheological (MR) fluid. Based on the results of identification and energy analysis, a simple semiactive vibration control algorithm for free vibrations of the beam based on switching the system equivalent stiffness between two distinct values was proposed. The algorithm was realized by controlling the current supplying the electromagnet. The MR fluid contained in the beam was activated by a magnetic field and under the impact of magnetic field enables the changing of its stiffness and damping properties. The free vibrations of the beam were investigated for constant current and current varied according to the assumed control algorithm.
Author Romaszko, Mateusz
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  fullname: Romaszko, Mateusz
  email: deep@agh.edu.pl
  organization: Fac. of Mech. Eng. & Robot., AGH Univ. of Sci. & Technol., Cracow, Poland
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Snippet The subject of the paper is vibration control of a cantilever beam with magnetorheological (MR) fluid. Based on the results of identification and energy...
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StartPage 311
SubjectTerms cantilever beam
control
Damping
Electromagnets
Magnetic fields
MR fluid
Switches
vibration
Vibration control
Vibrations
Title Free vibration control of a cantilever MR fluid based sandwich beam
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