The Converter Circuit For Piezoelectric Power Generation

Muhammad , Muhammat Sanusi (2009) The Converter Circuit For Piezoelectric Power Generation. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

Piezoelectric materials have a crystalline structure that provides a unique ability to convert an applied electrical potential into a mechanical strain or convert an applied strain into an electrical current. The latter of these two properties allows the material to function as a power generator. In most cases the piezoelectric material is strained through the ambient vibration around the structure, thus allowing a frequently unused energy source to be utilized for the purpose of powering small electronic systems. However, the amount of energy generated by these piezoelectric materials is far smaller than that needed by most electronic devices. For this reason, the target of accumulating and storing the energy generated, until sufficient power has been captured and convert into power generated is the key to develop completely self-powered systems. This project quantifies the amount of energy generated by a piezoelectric material and investigates the compatible converting circuit thus produce higher efficiency, higher frequency and long operating duty cycle. Achieving project targeted was focus on the ability of mechanical vibration produce by piezoelectric material. Through the excitation of a piezoelectric energy stored, the compatible converter circuit is determine by the amount of the energy generate that needed by most electric devices.

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