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	Experimental study and modeling of a differential SMA spring actuator
	Liu, Xiajie ; Yan, Shaoze ; Xu, Feng ; Wen, Shizhu
	2010-05-10 ; 2010-05-10 ; OCT 23-26, 2005
会议名称	High-Performance Ceramics IV, Pts 1-3 ; 4th China International Conference on High-Performance Ceramics (CICC-4) ; Chengdu, PEOPLES R CHINA ; Web of Science
关键词	SMA coil spring SMA actuator shape memory alloy Materials Science, Ceramics Materials Science, Composites
中文摘要	A theoretical model of the displacement-heating response of the differential shape memory alloy (SMA) actuator was developed. The model was constructed by using the constitutive equation and considering the force equilibrium and the energy balance on the SMA. The output displacement was predicted as a function of the heating power by the model and the simulations of the output displacement and temperature of the SMA actuator were also obtained. To evaluate the model, a prototype actuator which was made up of two SMA coil springs placed opposite each other was briefly described and an experimental setup of the SMA actuator was developed to study the relations among the heating power, the temperature and the output displacement of the SMA actuator. The similarity between the simulated and experimental results verified the proposed model, which indicated that the proposed model could express the thermo-mechanical behavior of the differential Ni-Ti SMA actuators.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; STAFA-ZURICH ; LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19357]
专题	清华大学
推荐引用方式 GB/T 7714	Liu, Xiajie,Yan, Shaoze,Xu, Feng,et al. Experimental study and modeling of a differential SMA spring actuator[C]. 见:High-Performance Ceramics IV, Pts 1-3, 4th China International Conference on High-Performance Ceramics (CICC-4), Chengdu, PEOPLES R CHINA, Web of Science.

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