Modeling techniques for magnetostrictive actuators

Ralph C. Smith

doi:10.1117/12.275690

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6 June 1997 Modeling techniques for magnetostrictive actuators

Ralph C. Smith

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Proceedings Volume 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems; (1997) https://doi.org/10.1117/12.275690
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

Techniques for modeling hysteresis and material nonlinearities in magnetostrictive materials are presented. Hysteresis in these materials is due to both the driving magnetic field and stress relations within the material and is significant throughout most of the drive range of the material. Two characterizations are presented here. The first model is posed in terms of Preisach operators and is purely phenomenological in nature. The second model is physics-based with parameters related to measurable properties of the input magnetic field. The two approaches are illustrated in the context of an Euler- Bernoulli beam model which incorporates magnetostrictive actuators.

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Ralph C. Smith "Modeling techniques for magnetostrictive actuators", Proc. SPIE 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems, (6 June 1997); https://doi.org/10.1117/12.275690

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