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Connected vibrating piezoelectric bimorph beams as a wide-band piezoelectric power harvester

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WOS被引频次:96
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成果类型:
期刊论文
作者:
Yang, Zengtao;Yang, Jiashi*
通讯作者:
Yang, Jiashi
作者机构:
[Yang, Zengtao; Yang, Jiashi] Cent S Univ, Sch Civil Engn & Architecture, Inst Mech & Sensing Technol, Changsha 410083, Hunan, Peoples R China.
[Yang, Jiashi] Univ Nebraska, Dept Engn Mech, Lincoln, NE 68588 USA.
通讯机构:
[Yang, Jiashi] Cent S Univ, Sch Civil Engn & Architecture, Inst Mech & Sensing Technol, Changsha 410083, Hunan, Peoples R China.
语种:
英文
关键词:
piezoelectricity;generator;power harvester
期刊:
Journal of Intelligent Material Systems and Structures
ISSN:
1045-389X
年:
2009
卷:
20
期:
5
页码:
569-574
文献类别:
WOS:Article;EI:Journal article (JA)
所属学科:
ESI学科类别:材料科学;WOS学科类别:Materials Science, Multidisciplinary
入藏号:
WOS:000263867700007;EI:20091211963899
基金类别:
Ministry of Education of China
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
机电工程学院
摘要:
We analyze coupled flexural vibration of two elastically and electrically connected piezoelectric beams near resonance for converting mechanical vibration energy to electrical energy. Each beam is a so-called piezoelectric bimorph with two layers of piezoelectrics. The 1D equations for bending of piezoelectric beams are used for a theoretical analysis. An exact analytical solution to the beam equations is obtained. Numerical results based on the solution show that the two resonances of individual beams can be tuned as close as desired by design when they are connected to yield a wide-band electrical output. Therefore, the structure can be used as a wide-band piezoelectric power harvester. ©2009 SAGE Publications.
参考文献:
Anton SR, 2007, SMART MATER STRUCT, V16, pR1, DOI 10.1088/0964-1726/16/3/R01
BOYCE WE, 1986, ELEMENTARY DIFFERENT, P263
Cho YS, 2000, SENSOR ACTUAT A-PHYS, V84, P140, DOI 10.1016/S0924-4247(99)00231-9
Engel TG, 2000, IEEE T PLASMA SCI, V28, P1338, DOI 10.1109/27.901194
Ha SK, 2001, J ACOUST SOC AM, V110, P856, DOI 10.1121/1.1387090

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