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Fractional Order Model of Broadband Piezoelectric Energy Harvesters

[+] Author Affiliations
Dan Li, Junyi Cao, Shengxi Zhou

Xi’an Jiaotong University, Xi’an, Shaanxi, China

Yangquan Chen

University of California - Merced, Merced, CA

Paper No. DETC2015-46192, pp. V009T07A019; 6 pages
doi:10.1115/DETC2015-46192
From:
  • ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 9: 2015 ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications
  • Boston, Massachusetts, USA, August 2–5, 2015
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5719-9
  • Copyright © 2015 by ASME

abstract

This paper presents a factional model for broadband piezoelectric energy harvesting systems. Piezoelectric materials pay a significant role in harvesting ambient vibration energy. Due to their inherent characteristics and electromechanical interaction effect, piezoelectric energy harvesting exhibits the hysteresis characteristic under sweeping environmental vibration. Fractional order model of piezoelectric energy harvesting could capture the hysteresis characteristics. Simulation and experimental results show that fractional model of piezoelectric energy harvesting is more effective in describing the system dynamic.

Copyright © 2015 by ASME

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