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Experimentally verified analytical models of piezoelectric cantilevers in different design configurations
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SYSNO ASEP 0563615 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Experimentally verified analytical models of piezoelectric cantilevers in different design configurations Author(s) Machů, Zdeněk (FZU-D)
Rubeš, O. (CZ)
Ševeček, O. (CZ)
Hadaš, Z. (CZ)Number of authors 4 Article number 6759 Source Title Sensors. - : MDPI
Roč. 21, č. 20 (2021)Number of pages 22 s. Language eng - English Country CH - Switzerland Keywords energy harvesting ; vibrations ; piezoelectric ; analytical model ; beam model ; equivalent model ; power prediction Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000716308600001 EID SCOPUS 85116820750 DOI 10.3390/s21206759 Annotation This paper deals with analytical modelling of piezoelectric energy harvesting systems for generating useful electricity from ambient vibrations and comparing the usefulness of materials commonly used in designing such harvesters for energy harvesting applications. The kinetic energy harvesters have the potential to be used as an autonomous source of energy for wireless applications. Here in this paper, the considered energy harvesting device is designed as a piezoelectric cantilever beam with different piezoelectric materials in both bimorph and unimorph configurations. For both these configurations a single degree-of-freedom model of a kinematically excited cantilever with a full and partial electrode length respecting the dimensions of added tip mass is derived. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023 Electronic address https://hdl.handle.net/11104/0335528
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