Modeling and characterization of piezoelectric and magnetostrictive induced-strain actuators

Victor Giurgiutiu; Radu O. Pomirleanu

doi:10.1117/12.436569

16 August 2001 Modeling and characterization of piezoelectric and magnetostrictive induced-strain actuators

Victor Giurgiutiu, Radu O. Pomirleanu

Proceedings Volume 4327, Smart Structures and Materials 2001: Smart Structures and Integrated Systems; (2001) https://doi.org/10.1117/12.436569
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

This paper presents the results of theoretical modeling and experimental characterization of PiezoSystems Jena P-177-00 large stroke piezoelectric actuator and of Etrema AA-140J025-ES1 large stroke/large power magnetostrictive actuator. An improved smart-material actuators measurement method suited for static and low frequency actuation was devised. Analytical and finite element modeling (ANSYS) of the experimental setup to determine stiffness component characteristics was performed. The output displacements of the active material actuators were recorded in quasi-static and dynamic regimes, under varied pre-stress level, voltage and frequency values. The measurements indicated a strong dependence of the actuator stiffness and piezoelectric properties on the electromechanical loading conditions. The study also identified and calculated the parameters of the induced strain actuators electro-mechanical model. These parameters are necessary for performing design optimization to achieve maximum energy transfer and minimum power requirements. Experimentally verified data characterizing piezoelectric and magnetostrictive actuators in the full stroke/full power regime required for designing an effective airborne induced strain activated aerodynamic control system for air and space vehicles is provided.

Citation Download Citation

Victor Giurgiutiu and Radu O. Pomirleanu "Modeling and characterization of piezoelectric and magnetostrictive induced-strain actuators", Proc. SPIE 4327, Smart Structures and Materials 2001: Smart Structures and Integrated Systems, (16 August 2001); https://doi.org/10.1117/12.436569

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