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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY   DECEMBER 2015 , Volume 8 , Number 4; Page(s) 75 To 82.
 
Paper: 

STUDY OF THE RESONANT FREQUENCY OF UNIMORPH TRIANGULAR V-SHAPED PIEZOELECTRIC CANTILEVER ENERGY HARVESTER

 
 
Author(s):  HOSSEINI R.*, HAMEDI M.
 
* YOUNG RESEARCHERS AND ELITE CLUB, SOUTH TEHRAN BRANCH, ISLAMIC AZAD UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

The main aim of the vibration energy harvesters is to locally power autonomous devices such as wireless sensors. Generally, power levels are low and the environmental benefit of the technology is to replace batteries rather than saving energy per se. Piezoelectric vibrational energy harvesters are usually inertial mass based devices, where a cantilever beam with a piezoelectric outer layer is excited into resonance by a mechanical vibration source at the root of the cantilever beam. However, the geometry of a piezoelectric cantilever beam will greatly affect its vibration energy harvesting ability. This paper deduces a remarkably precise analytical formula for calculating the fundamental resonant frequency of unimorph V-shaped cantilevers using Rayleigh-Ritz method. This analytical formula, which is convenient for mechanical energy harvester design based on piezoelectric effect, is then validated by ABAQUS simulation. This formula raises a new perspective that, among all the unimorph V-shaped cantilever beams and in comparison with rectangular one, the simplest tapered cantilever can lead to highest resonant frequency and maximum sensitivity.

 
Keyword(s): FINITE ELEMENT, MECHANICAL ENERGY HARVESTER, PIEZOELECTRIC, UNIMORPH V-SHAPED CANTILEVER, RESONANT FREQUENCY
 
 
References: 
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Citations: 
 
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APA: Copy

HOSSEINI, R., & HAMEDI, M. (2015). STUDY OF THE RESONANT FREQUENCY OF UNIMORPH TRIANGULAR V-SHAPED PIEZOELECTRIC CANTILEVER ENERGY HARVESTER. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 8(4), 75-82. https://www.sid.ir/en/journal/ViewPaper.aspx?id=516481



Vancouver: Copy

HOSSEINI R., HAMEDI M.. STUDY OF THE RESONANT FREQUENCY OF UNIMORPH TRIANGULAR V-SHAPED PIEZOELECTRIC CANTILEVER ENERGY HARVESTER. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY. 2015 [cited 2021September25];8(4):75-82. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=516481



IEEE: Copy

HOSSEINI, R., HAMEDI, M., 2015. STUDY OF THE RESONANT FREQUENCY OF UNIMORPH TRIANGULAR V-SHAPED PIEZOELECTRIC CANTILEVER ENERGY HARVESTER. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, [online] 8(4), pp.75-82. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=516481.



 
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