Stiffness Tuning Using a Low-Cost Semiactive Nonlinear Technique

This paper presents a semiactive method for stiffness control of electromechanical systems. The proposed method consists of intermittently connecting a piezoelectric element on an oscillating electrical network. It is demonstrated that such a nonlinear treatment allows an effective control of the st...

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Bibliographic Details
Published inIEEE/ASME transactions on mechatronics Vol. 13; no. 5; pp. 604 - 607
Main Authors Guyomar, D., Lallart, M., Monnier, T.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2008
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects
Control systems
Damping
Electric networks
Electric power generation
Engineering Sciences
Frequency synchronization
Joining
Joining processes
Mechatronics
Nonlinear
Nonlinearity
piezoelectric
Piezoelectric actuators
Piezoelectricity
Resonance
Stiffness
Switches
Tuning
Vibration control
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Summary:This paper presents a semiactive method for stiffness control of electromechanical systems. The proposed method consists of intermittently connecting a piezoelectric element on an oscillating electrical network. It is demonstrated that such a nonlinear treatment allows an effective control of the stiffness, while requiring less power than the classical methods. Experimental measurements carried out show that such a technique allows controlling the stiffness in a wide range of value, which validates the theoretical predictions.
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ISSN:1083-4435
1941-014X
DOI:10.1109/TMECH.2008.2004411