Abstract
In this chapter, analytical design and FEM analysis for cantilever-based P-VEH have been presented. Analytical equations giving device displacement, spring constant, resonance frequency for different structures have been reported. Device performance parameters such as resonance frequency, displacement, electric potential and von Mises stress are obtained using FEM for single-beam, cantilever array and guided-beam-type P-VEH. Effect of shape of seismic mass on the potential generated by the P-VEH has been investigated. Square-shape, pyramidal-shape and triangular-shape seismic mass-based cantilever structures have been designed, and displacement, stress and electric potential are obtained using FEM. Design giving better electric potential and stable response is selected for further investigation and device fabrication.
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Saxena, S., Sharma, R., Pant, B.D. (2021). Design, Modeling and Comparison of Piezoelectric Vibration Energy Harvesters. In: Design and Development of MEMS based Guided Beam Type Piezoelectric Energy Harvester. Energy Systems in Electrical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-0606-9_3
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DOI: https://doi.org/10.1007/978-981-16-0606-9_3
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