Static and dynamic analysis of bistable piezoelectric- composite plates for energy harvesting

David N. Betts, H. Alicia Kim, Christopher R. Bowen, Daniel J. Inman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper presents an arrangement of bistable composite plates with bonded piezoelectric patches to perform broadband vibration-based energy harvesting from ambient mechanical vibrations. These bistable nonlinear devices have the potential to exhibit improved power generation compared to conventional resonant systems and can be designed to occupy smaller volumes than bistable magnetic cantilever systems. In this paper we initially present the results of an optimization study to generate greater electrical power by discovering the correct geometric configuration for energy harvesting based on the static states of the device. The results consider the optimal choice of device aspect ratio, laminate thickness, laminate stacking sequence, and piezoelectric surface area. Increased electrical output is found for geometries and piezoelectric configurations which have not been considered previously. This study is then extended to include dynamic considerations of both the static shapes and the snap-through transition. Optimum designs are shown to be sensitive to the vibration pattern that is being harvested. The optimum geometric configurations based on the static analysis alone are not optimal under all dynamic conditions.

Original languageEnglish
Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
PublisherAmerican Institute of Aeronautics and Astronautics (AIAA)
ISBN (Print)9781600869372
DOIs
Publication statusPublished - 2012
Event53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Honolulu, USA United States
Duration: 23 Apr 201226 Apr 2012

Conference

Conference53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
CountryUSA United States
CityHonolulu
Period23/04/1226/04/12

Fingerprint

Energy harvesting
Static analysis
Dynamic analysis
Vibrations (mechanical)
Laminates
Composite materials
Power generation
Aspect ratio
Geometry
Optimum design

Cite this

Betts, D. N., Kim, H. A., Bowen, C. R., & Inman, D. J. (2012). Static and dynamic analysis of bistable piezoelectric- composite plates for energy harvesting. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference [AIAA 2012-1492] American Institute of Aeronautics and Astronautics (AIAA). https://doi.org/10.2514/6.2012-1492

Static and dynamic analysis of bistable piezoelectric- composite plates for energy harvesting. / Betts, David N.; Kim, H. Alicia; Bowen, Christopher R.; Inman, Daniel J.

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics (AIAA), 2012. AIAA 2012-1492.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Betts, DN, Kim, HA, Bowen, CR & Inman, DJ 2012, Static and dynamic analysis of bistable piezoelectric- composite plates for energy harvesting. in Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference., AIAA 2012-1492, American Institute of Aeronautics and Astronautics (AIAA), 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Honolulu, USA United States, 23/04/12. https://doi.org/10.2514/6.2012-1492
Betts DN, Kim HA, Bowen CR, Inman DJ. Static and dynamic analysis of bistable piezoelectric- composite plates for energy harvesting. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics (AIAA). 2012. AIAA 2012-1492 https://doi.org/10.2514/6.2012-1492
Betts, David N. ; Kim, H. Alicia ; Bowen, Christopher R. ; Inman, Daniel J. / Static and dynamic analysis of bistable piezoelectric- composite plates for energy harvesting. Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics (AIAA), 2012.
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