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Proceedings Paper

Development and flight test of a shape memory alloy actuator flight control system
Author(s): M. Brennison; R. M. Barrett; L. Kerth
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Paper Abstract

This paper outlines an investigation using shape memory alloy (SMA) filaments to drive a flight control system with precision control in a real flight environment. An antagonistic SMA actuator was developed with an integrated demodulator circuit from a JR NES 911 subscale UAV actuator. The SMA actuator was installed in the fuselage of a 2m uninhabited aerial vehicle (UAV) and used to control the rudder through slips and coordinated turns. Rudimentary design envelope modeling was performed to verify peak-to-peak throw levels and airload resistance capabilities. The actuator was capable of 20 degrees of positive and negative deflection and was capable of 7.5 in-oz (5.29N-cm) of torque at a bandwidth of 2.8Hz.

Paper Details

Date Published: 12 April 2010
PDF: 14 pages
Proc. SPIE 7643, Active and Passive Smart Structures and Integrated Systems 2010, 764334 (12 April 2010); doi: 10.1117/12.847747
Show Author Affiliations
M. Brennison, The Univ. of Kansas (United States)
R. M. Barrett, The Univ. of Kansas (United States)
L. Kerth, The Univ. of Kansas (United States)


Published in SPIE Proceedings Vol. 7643:
Active and Passive Smart Structures and Integrated Systems 2010
Mehrdad N. Ghasemi-Nejhad, Editor(s)

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