Abdelnaby, M., Shiba, M., Ali, S. (2020). Numerical investigations of bistable piezoelectric cantilever for enhanced energy harvesting. test, 19(19th International Conference on Applied Mechanics and Mechanical Engineering.), 1-10. doi: 10.1088/1757-899X/973/1/012022
M A Abdelnaby; M S Shiba; S Ali. "Numerical investigations of bistable piezoelectric cantilever for enhanced energy harvesting". test, 19, 19th International Conference on Applied Mechanics and Mechanical Engineering., 2020, 1-10. doi: 10.1088/1757-899X/973/1/012022
Abdelnaby, M., Shiba, M., Ali, S. (2020). 'Numerical investigations of bistable piezoelectric cantilever for enhanced energy harvesting', test, 19(19th International Conference on Applied Mechanics and Mechanical Engineering.), pp. 1-10. doi: 10.1088/1757-899X/973/1/012022
Abdelnaby, M., Shiba, M., Ali, S. Numerical investigations of bistable piezoelectric cantilever for enhanced energy harvesting. test, 2020; 19(19th International Conference on Applied Mechanics and Mechanical Engineering.): 1-10. doi: 10.1088/1757-899X/973/1/012022

Numerical investigations of bistable piezoelectric cantilever for enhanced energy harvesting

The International Conference on Applied Mechanics and Mechanical Engineering
Volume 19, 19th International Conference on Applied Mechanics and Mechanical Engineering., July 2020, Pages 1-10    PDF (896.55 K)
Document Type: Original Article
DOI: 10.1088/1757-899X/973/1/012022
Authors
M A Abdelnaby1; M S Shiba2; S Ali3
1Production Engineering and Printing Technology Department, Akhbar El Yom Academy, Egypt.
2Automotive Engineering Department, Higher Technology Institute, 10th of Ramadan 6th of October, Egypt.
3Department of Mechatronics, Canadian International College, Cairo, Egypt.
Abstract
Piezoelectric energy harvesting applications have been highly impacted research area recently. Numerical investigations for bistable piezoelectric cantilevers have great importance to understand its dynamic performance. This paper aims to develop comprehensive numerical models to simulate the dynamic response of aunimorph piezoelectric bender under
bistability effect for enhanced energy harvesting. To this end, the equivalent stiffness, damping, electromagnetic coupling and capacitance coefficients of a bistable piezoelectric cantilever have been numerically developed. Besides, finite element models are developed to determine the bistability repulsion force between magnets. The resulting simulations are then implemented in an electromechanical model to predict the output voltage and power over a range of load resistance.
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