CUED Publications database

Theoretical performance of a coiled coil piezoelectric bimorph

Seffen, KA (2007) Theoretical performance of a coiled coil piezoelectric bimorph. Sensors and Actuators, A: Physical, 133. pp. 486-492. ISSN 0924-4247

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The electromechanical coupling behaviour of a novel, highly coiled piezoelectric strip structure is developed in full, in order to expound its performance and efficiency. The strip is doubly coiled for compactness and, compared to a standard straight actuator of the same cross-section, it is shown that the actuator here offers better generative forces and energy conversion, and substantial actuated displacements, however, at the expense of a much lower stiffness. The device is therefore proposed for high-displacement, quasi-static applications. © 2006 Elsevier B.V. All rights reserved.

Item Type: Article
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:49
Last Modified: 03 Aug 2017 03:17