Piezoelectric Energy HarvestingThe transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a widening range of applications constantly materialising. With Piezoelectric Energy Harvesting, world-leading researchers provide a timely and comprehensive coverage of the electromechanical modelling and applications of piezoelectric energy harvesters. They present principal modelling approaches, synthesizing fundamental material related to mechanical, aerospace, civil, electrical and materials engineering disciplines for vibration-based energy harvesting using piezoelectric transduction. Piezoelectric Energy Harvesting provides the first comprehensive treatment of distributed-parameter electromechanical modelling for piezoelectric energy harvesting with extensive case studies including experimental validations, and is the first book to address modelling of various forms of excitation in piezoelectric energy harvesting, ranging from airflow excitation to moving loads, thus ensuring its relevance to engineers in fields as disparate as aerospace engineering and civil engineering. Coverage includes:
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Contents
LumpedParameter Model | |
Analytical DistributedParameter Electromechanical ModelingAnalytical | |
Model Validations for Bimorph Configurations Experimental Validation | |
Dimensionless Equations Asymptotic Analyses and ClosedForm | |
Approximate Analytical DistributedParameter Electromechanical | |
Models | |
Electromechanical Modeling for Various Forms of Dynamic Loading | |
AssumedModes Formulation | |
Effects of Material Constants and Mechanical Damping on Power | |
Crystals | |
Piezoelectric Constitutive Equations | |
Modeling of the Excitation Force in Support Motion Problems | |
Strain Nodes of a Uniform Thin Beam for Cantilevered | |
Numerical Data for PZT5A and PZT5H Piezoceramics | |
Essential Boundary Conditions for Cantilevered Beams | |
Modeling and Exploiting Mechanical Nonlinearities Modeling | |
Piezoelectric Energy Harvesting from Aeroelastic Vibrations | |
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Common terms and phrases
aeroelastic airflow speed amplitude assumed-modes solution base acceleration base excitation beam bistable boundary conditions Chapter coefficients constant constitutive equations correction factor damping ratio derived dimensionless distributed-parameter dynamic effect eigenfunctions eigenvalue elastic elastic modulus electrodes electromechanical electromechanical coupling electromechanical equations Erturk Euler–Bernoulli experimental expressions formulation Fourier Fourier series function fundamental vibration mode given by Equation Hamilton's principle Inman Intelligent Material Systems Lagrange equations linear load resistance lumped-parameter model mechanical damping ratio modal analysis motion multi-mode natural frequency nonlinear obtained open-circuit resonance frequencies oscillations parallel connection parameters piezoaeroelastic piezoceramic layers piezoceramic patch piezoelastic configuration piezoelectric coupling piezoelectric energy harvesting piezoelectric power piezomagnetoelastic configuration PMN-PZT problem PZT-5H bimorph cantilever resistive load respectively Section shear short-circuit and open-circuit short-circuit resonance frequency shown in Figure simulations single-mode Smart Materials steady-state stiffness strain components strain nodes substructure Timoshenko tip mass tip velocity FRFs undamped vibration mode vibration response voltage FRF voltage output