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	Design and experiment research on the actuators for large displacement
	Cui Yan-mei ; Liu Xiang-feng ; Gao Zhi
	2010-10-12 ; 2010-10-12
关键词	Practical Experimental/ piezoceramics piezoelectric actuators piezoelectricity/ piezoelectric bimorph large displacement piezoelectric actuator inverse piezoelectric effect piezoceramics bending distortion inverse voltage output displacement nappe actuators/ B2860A Piezoelectric devices
中文摘要	Characteristics of driving performance of piezoelectric bimorph were studied for large displacement piezoelectric actuator. Based on inverse piezoelectric effect of piezoceramics, bending distortion is produced when direct voltage was switched on one piece of piezoelectric bimorph which becomes shorter, and inverse voltage is switched on the other, which is lengthened, under the mechanic freedom and short circuit condition. Large displacement output of piezoelectric actuator is obtained by means of piling up bending distortion from combination of piezoelectric bimorphs. Experimental results show that the output displacement is 200 microns , which is larger than that of nappe actuators under the same voltage. The structural dimension is also greatly reduced. This kind of actuators can be used directly to produce large displacement without displacement amplifying mechanism.
语种	中文
出版者	Editorial Board of Journal of Functional Materials and Devices ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80244]
专题	清华大学
推荐引用方式 GB/T 7714	Cui Yan-mei,Liu Xiang-feng,Gao Zhi. Design and experiment research on the actuators for large displacement[J],2010, 2010.
APA	Cui Yan-mei,Liu Xiang-feng,&Gao Zhi.(2010).Design and experiment research on the actuators for large displacement..
MLA	Cui Yan-mei,et al."Design and experiment research on the actuators for large displacement".(2010).

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