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On-line Access: 2009-06-24

Received: 2009-04-02

Revision Accepted: 2009-06-08

Crosschecked: 2009-06-10

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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.8 P.1187~1190


Energy harvesting with a slotted-cymbal transducer

Author(s):  Jiang-bo YUAN, Xiao-biao SHAN, Tao XIE, Wei-shan CHEN

Affiliation(s):  Department of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China

Corresponding email(s):   yjb0420@126.com

Key Words:  Piezoelectric, Cymbal transducer, Energy harvesting

Jiang-bo YUAN, Xiao-biao SHAN, Tao XIE, Wei-shan CHEN. Energy harvesting with a slotted-cymbal transducer[J]. Journal of Zhejiang University Science A, 2009, 10(8): 1187~1190.

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T1 - Energy harvesting with a slotted-cymbal transducer
A1 - Jiang-bo YUAN
A1 - Xiao-biao SHAN
A1 - Tao XIE
A1 - Wei-shan CHEN
J0 - Journal of Zhejiang University Science A
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SP - 1187
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%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0920183

A cymbal transducer is made up of a piezoceramic disk sandwiched between two dome-shaped metal endcaps. High circumferential stresses caused by flexural motion of the metal endcaps can induce the loss of mechanical input energy. Finite element analysis shows that the radial slots fabricated in metal endcaps can release the circumferential stresses, and reduce the loss of mechanical input energy that could be converted into electrical energy. In this letter, the performance of a slotted-cymbal transducer in energy harvesting was tested. The results show that the output voltage and power of the cymbal are improved. A maximum output power of around 16 mW could be harvested from a cymbal with 18 cone radial slots across a 500 kΩ resistive load, which is approximately 0.6 times more than that of the original cymbal transducer.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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