Temperature gradient for improving the output non-linearity in shape memory alloy actuators
Andres Osorio Salazar,
Yusuke Sugahara
Abstract:The non-linearity of Shape Memory Alloy's (SMA) input vs. output relationship has been a significant barrier to their broader application for actuators. In this article, we introduce a novel activation approach with the objective of improving the output nonlinearity in SMA actuators by using a liquid temperature gradient for activation. This gradient, with a narrow inflection point, selectively activates and deactivates different portions of the SMA, allowing control of the overall actuator's output by adjusti… Show more
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