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Applied Mathematics and Mechanics

, Volume 34, Issue 5, pp 589–596 | Cite as

Spiral piezoelectric transducer in torsional motion as low-frequency power harvester

  • Hai-ren Wang (王海仁)
  • Hong-ping Hu (胡洪平)
  • Jia-shi Yang (杨嘉实)
  • Yuan-tai Hu (胡元太)Email author
Article

Abstract

A structure consisting of a spiral piezoelectric transducer and a concentrated mass is proposed as a low-frequency piezoelectric power harvester. A theoretical model is developed for the system from the theory of piezoelectricity. An analysis is performed to demonstrate the low-frequency nature of the system. Other basic characteristics of the power harvester including the output power, voltage, and efficiency are also calculated and examined.

Key words

piezoelectric torsional motion low-frequency power harvester 

Chinese Library Classification

O343 

2010 Mathematics Subject Classification

74B05 

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Copyright information

© Shanghai University and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Hai-ren Wang (王海仁)
    • 1
  • Hong-ping Hu (胡洪平)
    • 1
  • Jia-shi Yang (杨嘉实)
    • 2
  • Yuan-tai Hu (胡元太)
    • 1
    Email author
  1. 1.Department of MechanicsHuazhong University of Science and TechnologyWuhanP. R. China
  2. 2.Department of Engineering MechanicsUniversity of NebraskaLincolnUSA

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