Series Ni-Ti shape memory alloy wires with different martensitic-austenitic phase transformation temperatures as an actuator for input shaping control

被引：6

作者：

Jung, Gwang-Yong ^{[1
]}

Choi, Seung-Bok ^{[1
]}

Kim, Gi-Woo ^{[1
]}

机构：

[1] Inha Univ, Dept Mech Engn, Incheon, South Korea

来源：

SMART MATERIALS AND STRUCTURES | 2019年 / 28卷 / 07期

关键词：

shape memory alloy; phase transformation temperature; series SMA wire actuator; input shaping control; residual vibration; flexible structures; ACTIVE VIBRATION CONTROL; FLEXIBLE SPACECRAFT; SYSTEMS;

D O I：

10.1088/1361-665X/ab1941

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This study presents series shape memory alloy (SMA) wire actuators featuring different martensitic-austenitic phase transformation temperatures for input shaping control of flexible structures, such as compliant robot manipulators. Similar to conventional electric motors, the proposed actuator can generate stair-wise input shaping commands by simply applying a step current input. A practical input shaping control of flexible structures (e.g. beam manipulator) actuated by a series SMA wire actuator with different martensitic-austenitic phase transformation temperatures was proposed, and its ability to suppress residual vibration was successfully validated through simulation and laboratory experiments.

引用

页数：13

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