18 April 2007 On the identification of modal couplings and inherent capacitances of piezoelectric structures
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Abstract
We propose two identification techniques for estimating the piezoelectric couplings and the piezoelectric capacitances of reduced order modal models of linear piezoelectric structures. The two methods are easily implementable and demand few input data, which can be obtained both with experimental testing and numerical models (e.g. finite elements). We apply these methods to a sample structure hosting multiple transducers. We discuss in details the proper definition and identification of the inherent piezoelectric capacitances, whose meaning is often misunderstood.
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Corrado Maurini, Corrado Maurini, Maurizio Porfiri, Maurizio Porfiri, Joël Pouget, Joël Pouget, } "On the identification of modal couplings and inherent capacitances of piezoelectric structures", Proc. SPIE 6523, Modeling, Signal Processing, and Control for Smart Structures 2007, 65230U (18 April 2007); doi: 10.1117/12.715345; https://doi.org/10.1117/12.715345
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