Effect of biasing conditions on the performance of a SMA spring actuator under thermo-mechanical loading

被引：8

作者：

Bhatt, Nisha ^{[1
]}

Gurung, Hema ^{[1
]}

Soni, Sanjeev ^{[2
]}

Singla, Ashish ^{[1
]}

机构：

[1] Thapar Inst Engn & Technol, Dept Mech Engn, Patiala 147004, Punjab, India

[2] Cent Sci Instruments Org CSIR CSIO, Biomed Instrumentat Div, Chandigarh, Punjab, India

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2022年 / 29卷 / 25期

关键词：

Antagonistic system; biasing conditions; constitutive model; shape memory alloy; spring; thermo-mechanical loading; SHAPE-MEMORY ALLOYS; CONSTITUTIVE MODELS; KINETICS; DESIGN;

D O I：

10.1080/15376494.2021.1934759

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents an extension of the existing phase kinetics model of shape memory alloy (SMA) wire on a SMA spring actuator. The phenomenological modeling of an SMA spring under two different bias conditions - SMA spring with (A) normal spring (B) SMA wire along with the computing algorithm is addressed. The results of Case A are found in close agreement with the published literature. Whereas, the results of Case B are reported for the first time and outperform the results of Case A in terms of equal deflection, more controllability, and degrees of freedom as compared with Case A.

引用

页码：4599 / 4613

页数：15

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