26 July 2004 Active and passive material optimization in a tendon-actuated morphing aircraft structure
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Abstract
Continuously morphing aircraft wings are currently a focus of considerable research. Efforts are being made to achieve effective and optimal wing shape change under different flight conditions such as take off, cruise, dash, and loiter. The present research aims to achieve wing morphing by using an internal structure consisting of actuated tendons and passive struts. An important aspect of this approach is determining the optimal layout of tendons and struts. In this paper a genetic algorithm is developed to optimize the three-dimensional tendon-strut layout for a prescribed wing geometry and shape change. The method is applied to two morphing wing applications, the NASA HECS wing and NextGen TSCh wing.
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Smita Bharti, Smita Bharti, Mary I. Frecker, Mary I. Frecker, George A. Lesieutre, George A. Lesieutre, Deepak Ramrakhyani, Deepak Ramrakhyani, "Active and passive material optimization in a tendon-actuated morphing aircraft structure", Proc. SPIE 5390, Smart Structures and Materials 2004: Smart Structures and Integrated Systems, (26 July 2004); doi: 10.1117/12.540198; https://doi.org/10.1117/12.540198
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