| Issue |
MATEC Web of Conferences
Volume 16, 2014
CSNDD 2014 - International Conference on Structural Nonlinear Dynamics and Diagnosis
|
|
|---|---|---|
| Article Number | 05001 | |
| Number of page(s) | 6 | |
| Section | Deterministic and stochastic dynamics and control of nonlinear systems | |
| DOI | https://doi.org/10.1051/matecconf/20141605001 | |
| Published online | 01 September 2014 | |
Nonlinear angle control of a sectioned airfoil by using shape memory alloys
1 Department of Mechanical Eng., Universidade Estadual Paulista, Av. Brasil, 56, Ilha Solteira - SP, Brasil
2 Department of Mechanical Eng., Virginia Polytech Institute and State University, Blacksburg, VA 24061, EUA
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.
© Owned by the authors, published by EDP Sciences, 2014
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