Hostname: page-component-78c5997874-dh8gc Total loading time: 0 Render date: 2024-11-18T08:38:15.283Z Has data issue: false hasContentIssue false
  • English
  • Français

The Optimal Design and Analysis of Piezoelectric Cantilever Beams for Power Generation Devices

Published online by Cambridge University Press:  01 February 2011

Dongna Shen ,
Jyoti Ajitsaria ,
Song-Yul Choe  and
Dong-Joo Kim
Dongna Shen
Affiliation:
shendon@auburn.edu, Auburn University, 276 Wilmore Lab, Auburn, AL, 36849, United States
Jyoti Ajitsaria
Affiliation:
ajitsjk@auburn.edu, Auburn University, Mechanical Engineering, United States
Song-Yul Choe
Affiliation:
choeson@auburn.edu, Auburn University, Mechanical Engineering, United States
Dong-Joo Kim
Affiliation:
dkim@eng.auburn.edu, Auburn University, Materials Research and Education Center, United States
Get access

Abstract

With the rapid development of wireless remote sensor systems, battery is becoming the limiting factor in the lifetime of the device and miniaturization. As a way to eliminate battery in the system, the conversion of ambient vibration energy has been addressed. The piezoelectric cantilever beam with a proof mass was exploited for energy conversion since it can generate large strain and power density. The design of cantilever beams was optimized through numerical analysis and FEM simulation at higher acceleration condition. The investigated parameters influencing the output energy of piezoelectric bimorph cantilevers include dimensions of cantilever beam and proof mass. The resonant frequency and robustness of cantilever structure were also considered for enhancing power conversion efficiency and implementing devices at high acceleration condition. The power density generated by the optimized piezoelectric device was high enough (> 1200 μW/cm3) to operate microsensor systems. However, high stress near clamping area of cantilever beam could lead to the fracture at high acceleration condition.

Keywords

piezoelectricdevicescomposite
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 888: Symposium V – Materials and Devices for Smart Systems II , 2005 , 0888-V03-04
Copyright
Copyright © Materials Research Society 2006

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Tränkler, Hans-Rolf, Kanoun, Olfa, Proceeding of IEEE Instrumentation and Measurement, Technology Conference, Budapest, Hungary (2001).Google Scholar
2. Venkatraman, Lakshmi, “Design Trade-offs in Wireless Sensor Network System Development,” Research and Technology Center, Palo Alto (2004).Google Scholar
3. Horowitz, Stephen, etc., Proceeding of 1st Flow Control Conference, St. Louis, MO (2002)Google Scholar
4. Mitcheson, Paul D., etc., Journal of microelectromechanical systems, 13, 3 (2004).Google Scholar
5. Roundy, Shad, Wright, Paul K., etc., Computer Communications, 26, 1131–1144 (2003).Google Scholar
6. Ottman, Geffrey K., etc., IEEE Transactions on Power Electronics, 18, 2 (2003).Google Scholar
7. Roundy, S and KWright, P, Smart Mater. Struct., 13, 1131–1142 (2004).Google Scholar
8. Lu, F, lee, H P and Lim, S P. Smart Mater. Struct., 13, 57–63 (2004).Google Scholar
9. Williams, C. B. and Yates, R. B., Sensors and Actuators A, 52, 8 (1996).Google Scholar
10. Yi, Jeong Woo, Shih, Wan Y., and Shih, Wei-Heng, Journal of Applied Physics, 91, 3 (2002).Google Scholar
11. Wang, Qing-Ming, Zhang, Qiming, etc., Journal of Applied Physics, 86, 6 (1999).Google Scholar
12. Design Handbook ver 3.0 (MultiMEMS.com).Google Scholar