{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T11:12:38Z","timestamp":1771067558488,"version":"3.50.1"},"reference-count":64,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2021,11,9]],"date-time":"2021-11-09T00:00:00Z","timestamp":1636416000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Regional Development Fund of the European Union and Greek national funds through the Operational Program Competitiveness, Entrepreneurship, and Innovation, under the call RESEARCH \u2013 CREATE \u2013 INNOVATE","award":["T1EDK-01533"],"award-info":[{"award-number":["T1EDK-01533"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Piezoelectric energy harvesting (PEH) is studied in the case of a low-velocity impact of a rigid mass on a composite beam. A methodology is outlined, encompassing modelling of the open-circuit impact response in a finite element (FE) package, formulation of a lumped parameter (LP) model for the piezoelectric transducer connected with the harvesting circuit, and experimental verification of the impact using a custom portable configuration with impactor motion control. The subcircuit capacitor charging effect, the impactor mass and velocity on the harvesting subcircuit response, and the obtained output power are quantified. The results indicate that the current methodology can be used as a design tool for the structure and the harvesting circuit to achieve power output from composite beams with piezoelectric patches under impact conditions.<\/jats:p>","DOI":"10.3390\/s21227445","type":"journal-article","created":{"date-parts":[[2021,11,9]],"date-time":"2021-11-09T21:39:07Z","timestamp":1636493947000},"page":"7445","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Assessment of Impact Energy Harvesting in Composite Beams with Piezoelectric Transducers"],"prefix":"10.3390","volume":"21","author":[{"given":"Nikolaos","family":"Margelis","sequence":"first","affiliation":[{"name":"Control Systems Lab, School of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3577-7333","authenticated-orcid":false,"given":"Theofanis S.","family":"Plagianakos","sequence":"additional","affiliation":[{"name":"Control Systems Lab, School of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Panagiotis","family":"Karydis-Karandreas","sequence":"additional","affiliation":[{"name":"Control Systems Lab, School of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Evangelos G.","family":"Papadopoulos","sequence":"additional","affiliation":[{"name":"Control Systems Lab, School of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,11,9]]},"reference":[{"key":"ref_1","unstructured":"Kymissis, J., Kendall, C., Paradiso, J., and Gershenfeld, N. 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