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Application of Shape Memory Alloy Actuators to Vibration and Motion Control of Structural Systems: A Review

Sohn, JW and Ruth, JS and Yuk, D-G and Choi, S-B (2023) Application of Shape Memory Alloy Actuators to Vibration and Motion Control of Structural Systems: A Review. In: Applied Sciences (Switzerland), 13 (2).

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Official URL: https://doi.org/10.3390/app13020995


This paper comprehensively reviews effective control applications using shape memory alloy (SMA) actuators. Among many applications, this paper focuses on the vibration and stiffness control of flexible structures and shape control in the aerospace engineering field. In the vibration control of flexible structures, three different methods are introduced and discussed, including their merits and demerits. In addition, several control strategies, such as neuro-fuzzy controller, are investigated in terms of the implementation associated with the microchip. In the control process, the inherent hysteretic behavior of SMA is also reviewed as a feedforward loop or actuating force compensator. At the second part, applications on the morphing wing in the field of aerospace engineering are reviewed, and salient characteristics are discussed. In this review, the morphing wing, which is closely related to aircraft stability, is mainly investigated considering control logics and geometrical parameters. For easily understanding morphing control using SMA, a table which summarizes the main contribution of each research is presented. It is expected, since this review article provides numerous approaches for vibration and morphing control conducted over the last decade, it will be very helpful to the same research community to create novel ideas to achieve more advanced and effective results in vibration and morphing control using SMA actuators. © 2023 by the authors.

Item Type: Journal Article
Publication: Applied Sciences (Switzerland)
Publisher: MDPI
Additional Information: The copyright for this article belongs to the Authors.
Keywords: actuator; flexible structure; shape memory alloy; vibration control
Department/Centre: Division of Interdisciplinary Sciences > Robert Bosch Centre for Cyber Physical Systems
Date Deposited: 10 Feb 2023 08:19
Last Modified: 10 Feb 2023 08:19
URI: https://eprints.iisc.ac.in/id/eprint/80143

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