R-phase shape memory alloy helical spring based actuators: Modeling and experiments

被引：18

作者：

Gedouin, Pierre-Antoine ^{[1
]}

Pino, Laurent ^{[2
]}

Chirani, Shabnam Arbab ^{[2
]}

Calloch, Sylvain ^{[3
]}

Delaleau, Emmanuel ^{[1
]}

Bourgeot, Jean-Matthieu ^{[2
]}

机构：

[1] ENIB, F-29200 Brest, France

[2] ENIB, UMR CNRS 6027, IRDL, F-29200 Brest, France

[3] ENSTA Bretagne, UMR CNRS 6027, IRDL, F-29200 Brest, France

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2019年 / 289卷

关键词：

NiTi; R-phase transformation; SMA linear bias-spring actuator; Simplified model; MECHANICAL RESPONSE; CONSTITUTIVE MODEL; DEFORMATION; STRAIN; DESIGN;

D O I：

10.1016/j.sna.2019.02.024

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页码：65 / 76

页数：12

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