Abstract
This paper presents a compliant rotary actuator composed of a monolithic plastic structure and a shape-memory-alloy (SMA) wire. The plastic structure features a helical shape. The SMA wire can be permanently deformed at ambient temperature. It is first pre-strained in tension, then wrapped on the helical structure and fixed at its two ends. The SMA wire is finally heated by Joule effect, leading to a continuous rotation between the two ends of the plastic structure. The rotation angle is driven by varying the intensity of the electric current. A preliminary prototype has been built and first results are presented.
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The authors want to acknowledge the Region Auvergne for supporting this research.
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Yuan, H., Balandraud, X., Fauroux, J.C., Chapelle, F. (2017). Compliant Rotary Actuator Driven by Shape Memory Alloy. In: Corves, B., Lovasz, EC., Hüsing, M., Maniu, I., Gruescu, C. (eds) New Advances in Mechanisms, Mechanical Transmissions and Robotics. Mechanisms and Machine Science, vol 46. Springer, Cham. https://doi.org/10.1007/978-3-319-45450-4_34
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DOI: https://doi.org/10.1007/978-3-319-45450-4_34
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