Nonlinear angle control of a sectioned airfoil by using shape memory alloys
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Undergraduate course
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E D P Sciences
EDP Sciences
EDP Sciences
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Abstract
The present work illustrates an application of shape memory alloys and nonlinear controller applied to the active angular control of a sectioned airfoil. The main objective of the proposed control system is to modify the shape of the profile based on a reference angle. The change of the sectioned airfoil angle is resultant by the effect of shape memory of the alloy due to heating of the wire caused by an electric current that changes its temperature by Joule effect. Considering the presence of plant's nonlinear effects, especially in the mathematical model of the alloy, this work proposes the application of an on-off control system.
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English
Citation
Csndd 2014 - International Conference On Structural Nonlinear Dynamics And Diagnosis. Cedex A: E D P Sciences, v. 16, 6 p., 2014.
