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Optimisation of hybrid energy harvesting using finite element method based on vibration excitation

Nik Nurul Husna, Muhmed Razali and A. R., Yusoff (2018) Optimisation of hybrid energy harvesting using finite element method based on vibration excitation. Progress in Industrial Ecology, an International Journal, 12 (3). pp. 284-296. ISSN 1476-8917 (Print); 1478-8764 (Online)

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The main objective of this paper is to optimise energy harvesting design of piezoelectric and magnetic based on vibration excitation; an alternate method for predicting the power output of a bimorph cantilever beam using finite element method with harmonic analysis solver. Both power output generated from the electromagnetic and the piezoelectric were combined to form one unit of energy. In addition, the optimum model was analysed using parametric optimisation analysis solver in finite element analysis to produce an optimum power output. The result showed a maximum power output of 56.66 μW from 47.94 Hz, 4.905 m/s2, and 0.18 cm3 generated for resonance frequency with acceleration and volume. The decreasing size of the harvester with a low natural frequency produces a high-power output.

Item Type: Article
Uncontrolled Keywords: piezoelectric; electromagnetic; hybrid energy harvesting; finite element analysis; optimisation; vibration excitation; bimorph cantilever beam; response surface optimisation.
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Manufacturing Engineering
Depositing User: P. M. Dr. Ahmad Razlan Yusoff
Date Deposited: 11 Jan 2019 03:26
Last Modified: 11 Jan 2019 03:26
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