Buckling control of morphing composite airfoil structure using multi-stable laminate by piezoelectric sensors/actuators

Shahin Zareie; Abolghassem Zabihollah; Aydin Azizi

doi:10.1117/12.880409

28 April 2011 Buckling control of morphing composite airfoil structure using multi-stable laminate by piezoelectric sensors/actuators

Shahin Zareie, Abolghassem Zabihollah, Aydin Azizi

Author Affiliations +

Proceedings Volume 7978, Behavior and Mechanics of Multifunctional Materials and Composites 2011; 79781Z (2011) https://doi.org/10.1117/12.880409
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

Abstract

In the present work, an unsymmetric laminated plate with surface bonded piezoelectric sensors, and actuators has been considered. Piezoelectric sensor were used to monitor the load and deformation bifurcation occurs. Monitoring the shape and load of a morphing structure is essential to ascertain that the structure is properly deployed and it is not loaded excessively ,thus, preventing structural to failure. A piezoceramic actuator is used to provide activation load and to force the structure to change its stability state from one to another. A non-linear finite element model based on the layerwise displacement theory considering the electro-mechanical coupling effects of piezoelectric elements has been developed for simulation purposes. A control mechanism is also employed to actively control the shape of the structure. It is observed that, utilizing multistable composite to design a morphing structure may significantly reduce the energy required for changing the shape. Further controlling the buckling phenomena using piezoelectric sensor and actuator along with an ON/OFF controller can effectively and efficiency enhance the performance of the morphing structure during manoeuver.

Citation Download Citation

Shahin Zareie, Abolghassem Zabihollah, and Aydin Azizi "Buckling control of morphing composite airfoil structure using multi-stable laminate by piezoelectric sensors/actuators", Proc. SPIE 7978, Behavior and Mechanics of Multifunctional Materials and Composites 2011, 79781Z (28 April 2011); https://doi.org/10.1117/12.880409

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