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New adaptive controller method for SMA hysteresis modelling of a morphing wing

Part of: Smart Aircraft

Published online by Cambridge University Press:  03 February 2016

T. L. Grigorie  and
R. M. Botez
T. L. Grigorie
Affiliation:
Laboratory of Research in Active Controls, Avionics and AeroServoElasticity LARCASE, École de Technologie Supérieure, www.larcase.etsmtl.ca, Montréal, Quebec, Canada
R. M. Botez
Affiliation:
Laboratory of Research in Active Controls, Avionics and AeroServoElasticity LARCASE, École de Technologie Supérieure, www.larcase.etsmtl.ca, Montréal, Quebec, Canada
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Abstract

A neuro-fuzzy controller method for smart material actuator (SMA) hysteresis modelling is presented, conceived for a morphing wing application. The controller correlates each set of forces and electrical currents that are applied to the smart material actuators with the actuator elongation. The actuator is experimentally tested for four forces, using a variable electrical current. The final controller is obtained through the Matlab/Simulink integration of three independent neuro-fuzzy controllers, designed for the increase and decrease of electrical current, and for null electrical current in the cooling phase of the actuator. This final controller gives a very small error with respect to the experimental values.

Type
Research Article
Information
The Aeronautical Journal , Volume 114 , Issue 1151 , January 2010 , pp. 1 - 13
Copyright
Copyright © Royal Aeronautical Society 2010 

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