Bi-direction and flexible multi-mode morphing wing based on antagonistic SMA wire actuators

YANG, Jiannan; ZHANG, Yahui; GU, Xiaojun; LI, Jinjian; FANG, Pingchu; YANG, Xinru; WANG, Jun; ZHU, Jihong; ZHANG, Weihong

doi:10.1016/j.cja.2024.06.030

Chinese Journal of Aeronautics

2024

DOI: 10.1016/j.cja.2024.06.030

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Bi-direction and flexible multi-mode morphing wing based on antagonistic SMA wire actuators

Jiannan YANG,

Yahui ZHANG,

Xiaojun GU

et al.

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2024

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Cited by 1 publication

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Design and Prototype Testing of a Smart SMA Actuator for UAV Foldable Tail Wings

Cheng,

Wang,

et al. 2024

Actuators

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The foldable tail wing system of UAVs offers advantages such as reducing the envelope size and improving storage space utilization. However, due to the compact tail wing space, achieving multi-modal locking and unlocking functionality presents significant challenges. This paper designs a new smart SMA actuator for the use of UAV foldable tail wings. The prototype testing demonstrated the advantages and engineering practicality of the actuator. The core content includes three main parts: thermomechanical testing of the SMA actuation performance, structural design of the actuator, and the fabrication and actuation testing of the prototype. The key parameters related to actuation performance, such as phase transformation temperature and actuation force, were determined through DSC and tensile testing. The geometric parameters of the tail wing were determined through kinetics and kinematic analyses. Through the linkage design of two kinematic pairs, the SMA actuator enables both the deployment and locking of the tail wing. The prototype testing results of the folding tail wing show that, after vibration and temperature variation tests, the SMA actuator is still able to output an actuation stroke of 2.15 mm within 20 ms. The SMA actuator integrates locking for both modes of the tail wing and unlocking during mode transitions, offering advantages such as fast response and minimal space requirements. It provides an effective solution tailored to the needs of the foldable tail wing system.

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Design and Prototype Testing of a Smart SMA Actuator for UAV Foldable Tail Wings

Cheng,

Wang,

et al. 2024

Actuators

View full text Add to dashboard Cite

show abstract

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Bi-direction and flexible multi-mode morphing wing based on antagonistic SMA wire actuators

Cited by 1 publication

References 39 publications

Design and Prototype Testing of a Smart SMA Actuator for UAV Foldable Tail Wings

Design and Prototype Testing of a Smart SMA Actuator for UAV Foldable Tail Wings

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