Linear and nonlinear piezoelectric shunting strategies for vibration mitigation
1 Space Structures and Systems Laboratory, Dept. of Aerospace and Mechanical Engineering, University of Liége, Belgium
2 Building Architecture and Town Planning (BATir) Avenue F. D. Roosevelt 50, Brussels, B-1050, Belgium
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This paper studies linear and nonlinear piezoelectric vibration absorbers that are designed based on the equal-peak method. A comparison between the performance of linear mechanical and electrical tuned vibration absorbers coupled to a linear oscillator is first performed. Nonlinearity is then introduced in the primary oscillator to which a new nonlinear electrical tuned vibration absorber is attached. Despite the frequency-energy dependence of nonlinear oscillations, we show that the nonlinear absorber is capable of effectively mitigating the vibrations of the nonlinear primary system in a large range of forcing amplitudes.
© Owned by the authors, published by EDP Sciences, 2014
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