Piezoelectric cantilevers optimization for vibration energy harvesting

Junyi Cao; Shengxi Zhou; Xiaolong Ren; Binggang Cao

doi:10.1117/12.923160

2 April 2012 Piezoelectric cantilevers optimization for vibration energy harvesting

Junyi Cao, Shengxi Zhou, Xiaolong Ren, Binggang Cao

Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 84090D (2012) https://doi.org/10.1117/12.923160
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China

Abstract

Vibration-based piezoelectric energy harvesters through the conversion of vibration energy to electrical energy has gained increasing attention over the past decade because of the reduced power requirements of small electronic components, especially in industrial condition monitoring applications where sensors may be embedded in machines. The structure parameters of cantilevered piezoelectric energy harvesters are of importance to maximize the output power in accordance with the characteristics of the ambient vibrations. Therefore, a piezoelectric cantilevers optimization method using finite element analysis and SPICE is proposed. This paper models piezoelectric cantilever using Hamilton principle and extracts the vibration modal parameters to establish the circuit model in SPICE. The numerical analysis is addressed to study the effect of parameters. Finally, the optimization analysis and experiment are carried out. The results verify that the optimized cantilevered piezoelectric energy harvesters can produce a 56V peak open-circuit voltage, and that the proposed method is suitable for optimization design of piezoelectric energy harvester.

Citation Download Citation

Junyi Cao, Shengxi Zhou, Xiaolong Ren, and Binggang Cao "Piezoelectric cantilevers optimization for vibration energy harvesting", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 84090D (2 April 2012); https://doi.org/10.1117/12.923160

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available