Design, construction and simulation of a shape memory alloy based morphing airfoil demonstrator based on the agonist-antagonist principle

M. Kunzler; M. Kaiser; S. Fischer; M. Gurka

doi:10.1117/12.2612916

20 April 2022 Design, construction and simulation of a shape memory alloy based morphing airfoil demonstrator based on the agonist-antagonist principle

M. Kunzler, M. Kaiser, S. Fischer, M. Gurka

Author Affiliations +

Proceedings Volume 12043, Active and Passive Smart Structures and Integrated Systems XVI; 1204310 (2022) https://doi.org/10.1117/12.2612916
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

To reduce installation space as well as weight, the use of shape memory alloys (SMA) is advantageous in the field of actuator technology. A big challenge using SMAs in for actuation is their high energy consumption due to Joule heating. To overcome this, an actuator system based on the agonist-antagonist principle, using SMA wire actuators was developed. Main advantage is the possibility of an energy-free holding of the position without the use of special locking components. A prototype made of CFRP and SMA wires was developed and built. The structure consists of a CFRP laminate on which SMA wires are anchored on the upper and lower side. This work also contents a simulation approach of the actuating structure in ABAQUS® using a simplified phenomenological model.

Conference Presentation

Citation Download Citation

M. Kunzler, M. Kaiser, S. Fischer, and M. Gurka "Design, construction and simulation of a shape memory alloy based morphing airfoil demonstrator based on the agonist-antagonist principle", Proc. SPIE 12043, Active and Passive Smart Structures and Integrated Systems XVI, 1204310 (20 April 2022); https://doi.org/10.1117/12.2612916

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