Modeling and identification of nonlinear electroelastic and dissipative parameters for PZT-5A and PZT-5H bimorphs: a dynamical systems approach

Stephen Leadenham; Brian Ferri; Alper Erturk

doi:10.1117/12.2084455

2 April 2015 Modeling and identification of nonlinear electroelastic and dissipative parameters for PZT-5A and PZT-5H bimorphs: a dynamical systems approach

Stephen Leadenham, Brian Ferri, Alper Erturk

Author Affiliations +

Proceedings Volume 9431, Active and Passive Smart Structures and Integrated Systems 2015; 94311I (2015) https://doi.org/10.1117/12.2084455
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Electroelastic and dissipative nonlinearities of commonly used soft piezoelectrics (PZT-5A and PZT-5H) are pronounced in various engineering applications such as actuation, sensing, vibration control, and most recently, in energy harvesting from dynamical systems. The present work investigates the nonlinear nonconservative dynamic behavior of bimorph piezoelectric cantilevers under low-to-high excitation levels with a focus on most popular soft piezoceramics: PZT-5A and PZT-5H. A unified mathematical framework we recently developed is analyzed by using the method of harmonic balance to identify and validate nonlinear system parameters based on a set of rigorous experiments for different samples.

Citation Download Citation

Stephen Leadenham, Brian Ferri, and Alper Erturk "Modeling and identification of nonlinear electroelastic and dissipative parameters for PZT-5A and PZT-5H bimorphs: a dynamical systems approach", Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 94311I (2 April 2015); https://doi.org/10.1117/12.2084455

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