Energy Harvesting of Traditional Cantilever-Based MEMS Piezoelectric Energy Harvester
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Wireless sensor networks are important developments in remote sensing applications. Supplying power to these systems is invincible one, and replacing batteries all the time is inefficient and not an appropriate solution. Piezoelectric materials convert mechanical energy into electrical energy from the external vibration of the environment through its direct piezoelectric effect. In this paper, rectangular with and without hole based unimorph piezoelectric cantilever geometries are proposed using finite element method simulation and analysis developed. The outcomes display that the rectangle with hole piezoelectric structure is having a lower resonant frequency and harvests more energy compared to other structures.
KeywordsPiezoelectric energy scavenger Unimorph cantilever Piezoelectric effect MEMS tip mass Finite element method
The authors would like to acknowledge National Program on Micro and Smart Systems (NPMaSS), Government of India, for providing the MEMS software facilities at Department of Electronics Engineering, Pondicherry University, Pondicherry.
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