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R-phase shape memory alloy helical spring based actuators: Modeling and experiments
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DOI：10.1016/j.sna.2019.02.024.png)
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摘要
En 中文
The main goal of this paper is to propose some analytical or pseudo-analytical tools facilitating the study and modeling of SMA helical spring-based actuators. Particular attention is paid to R-phase SMA helical spring-based actuators (i.e., springs made in NiTi and concerned by R-phase transformation phenomena). First, simplified models (i.e., based on beam theory framework) of R-phase SMA helical springs taking into account detwinning and assisted two-way memory effect are proposed and validated. Then, these models are used to determine the thermo-mechanical behavior of a linear bias-spring actuator. An actuator is built and used to validate the proposed models. (C) 2019 Elsevier B.V. All rights reserved.
Keyword:
NiTi
R-phase transformation
SMA linear bias-spring actuator
Simplified model
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期刊
IF:
4.9
论文数:
1.5W
被引数:
3.3W
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分享收藏Modeling, control and experimental validation of a novel actuator based on shape memory alloys.png)
MECHATRONICS
MECHATRONICSIF3.1
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