Piezoelectric energy harvester for wind turbine blades based on bistable response of a composite beam in post-buckling
Theofanis S Plagianakos,
Nikolaos Leventakis,
Nikolaos A Chrysochoidis
et al.
Abstract:A bistable piezoelectric energy harvester (PEH) is presented for harvesting power from vibrations occurring at low frequencies, as is the case of wind turbine blades. The axial compressive prestress of a piezoelectric composite beam at post-buckling serves as the bistability source, leading to high mechanical to electric power conversion. An in-house harvesting circuit connected to the piezoelectric terminals is used for demonstration of its harvesting power capabilities. A finite element (FE) model is used to… Show more
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