Piezoelectric actuators and motors based on shell structures

Frank Claeyssen; Nicolas Lhermet; Ronan Le Letty; Francois Barillot; Miguel Debarnot; Marc Francois Six; Georges Thomin; Michel Privat; Philippe Bouchilloux

doi:10.1117/12.388162

12 June 2000 Piezoelectric actuators and motors based on shell structures

Frank Claeyssen, Nicolas Lhermet, Ronan Le Letty, Francois Barillot, Miguel Debarnot, Marc Francois Six, Georges Thomin, Michel Privat, Philippe Bouchilloux

Author Affiliations +

Proceedings Volume 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies; (2000) https://doi.org/10.1117/12.388162
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

Abstract

A design consisting of an elliptical metal shell whose long axis is occupied by prestressed multilayer actuators can be applied to a large variety of piezoelectric structures to offer compact, low-voltage actuation at operating frequencies that range from DC to 40 kHz. The useful motion or vibration is recovered in the transverse direction, at the extremities of the short axis. The elliptical shell serves as an amplification mechanism. Its dimensions determine the output characteristics of the device in terms of strain, force and resonance frequency. This paper presents the design of three structures based on this concept. 3D finite element analysis result as well as experimental measurements are presented.

Citation Download Citation

Frank Claeyssen, Nicolas Lhermet, Ronan Le Letty, Francois Barillot, Miguel Debarnot, Marc Francois Six, Georges Thomin, Michel Privat, and Philippe Bouchilloux "Piezoelectric actuators and motors based on shell structures", Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, (12 June 2000); https://doi.org/10.1117/12.388162

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