Thermoelectric module driving flexible shape memory alloy actuator

Baiqing Sun; Chao Zhang; Fengxiang Wang; Xianda Wang

doi:10.1117/12.840204

20 October 2009 Thermoelectric module driving flexible shape memory alloy actuator

Baiqing Sun, Chao Zhang, Fengxiang Wang, Xianda Wang

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74930M (2009) https://doi.org/10.1117/12.840204
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

In this paper, a flexible Shape Memory Alloy (SMA) actuator based on Thermoelectric Module is presented. The proposed actuator is consist of a pre-shaped SMA wire at several located positions, and a two couples of Thermoelectric Modules (TEM), and some temperature sensors. This actuator is adopted the TEM as the driven mechanism, and it can drive the pre-shape SMA directly. Using this driven mode can directly control pre-location of the SMA actuator. Therefore the control flexibility of the actuator is greatly increased. This paper analyze of the differences and advantages between the TEM actuator and the traditional SMA actuators, and introduced the operational mechanism, structure and driven approach. The experimental results indicate that the actuator can make reciprocating motion smoothly and softly.

Citation Download Citation

Baiqing Sun, Chao Zhang, Fengxiang Wang, and Xianda Wang "Thermoelectric module driving flexible shape memory alloy actuator", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74930M (20 October 2009); https://doi.org/10.1117/12.840204

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