Characterization of Different Piezoelectric Profile for Energy Harvester

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Abstract:

Microelectromechanical system (MEMS) piezoelectric transducer has been widely used as a mechanism for converting mechanical vibration into electrical power energy harvester.This paper presents a simulation result of cantilever-type piezoelectric MEMS generator with four different profiles to characterize the ability in producing a maximum output power at low frequency ambient vibration.Zinc Oxide is chosen as the piezoelectric material during the simulation. The simulation was conducted using IntelliSense’s CAE tool to obtain the natural frequency, electrical potential, and the optimum length dimension for each profile. The simulation result shows an excellent performance from trapezoidal shapetransducer with the electrical potential of 0.914 V at low frequency of 79.92 Hz.

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407-411

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September 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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