Design based Active Vibration Control of a flexible structure using shape memory alloy wire actuators

2012 ◽  
Author(s):  
S. S. Nakshatharan ◽  
D. J. S. Ruth ◽  
K. Dhanalakshmi
Keyword(s):  
Shape Memory Alloy ◽  
Shape Memory ◽  
Vibration Control ◽  
Active Vibration Control ◽  
Flexible Structure ◽  
Shape Memory Alloy Wire ◽  
Alloy Wire ◽  
Active Vibration

Active Vibration Control of Epoxy Matrix Composite Beams with Embedded Shape Memory Alloy TiNi Fibers

2003 ◽  
Vol 17 (08n09) ◽  
pp. 1744-1749 ◽  
Author(s):  
T. Aoki ◽  
A. Shimamoto
Keyword(s):  
Shape Memory Alloy ◽  
Shape Memory ◽  
Vibration Control ◽  
Matrix Composite ◽  
Epoxy Matrix ◽  
Damping Ratio ◽  
Active Vibration Control ◽  
Composite Beams ◽  
Epoxy Matrix Composite ◽  
Active Vibration

In this paper, epoxy matrix composite beams with embedded TiNi (SMA: Shape Memory Alloy) fiber are applied to enhance the strength and fracture toughness of the machinery components. It is also well known that SMA shows the remarkable changes of stiffness and damping ratio between martensite at lower temperature and austenite at high temperature. A shape recovery force is associated with inverse phase transformation of SMA. The effects of heating with current and pre-strain in TiNi fiber of SMA on vibration characteristics are experimentally investigated. The active vibration control is achieved by controlling the current and pre-strain.

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