Non-linear Dynamic Analysis of a Piezoelectrically Actuated Flapping Wing

Mukherjee, Sujoy and Ganguli, Ranjan (2010) Non-linear Dynamic Analysis of a Piezoelectrically Actuated Flapping Wing. In: Journal of Intelligent Material Systems and Structures, 21 (12). pp. 1157-1167.

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Abstract

An energy method is used in order to derive the non-linear equations of motion of a smart flapping wing. Flapping wing is actuated from the root by a PZT unimorph in the piezofan configuration. Dynamic characteristics of the wing, having the same size as dragonfly Aeshna Multicolor, are analyzed using numerical simulations. It is shown that flapping angle variations of the smart flapping wing are similar to the actual dragonfly wing for a specific feasible voltage. An unsteady aerodynamic model based on modified strip theory is used to obtain the aerodynamic forces. It is found that the smart wing generates sufficient lift to support its own weight and carry a small payload. It is therefore a potential candidate for flapping wing of micro air vehicles.

Item Type:	Journal Article
Publication:	Journal of Intelligent Material Systems and Structures
Publisher:	Sage Publications
Additional Information:	Copyright of this article belongs Sage Publications.
Keywords:	piezofan;non-linear vibrations;aerodynamics;flapping;MAV
Department/Centre:	Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited:	18 Nov 2010 12:34
Last Modified:	23 Nov 2010 06:21
URI:	http://eprints.iisc.ac.in/id/eprint/33836

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