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Author: search.filters.author.Jettanasen, ChaiyanSubject: search.filters.subject.Piezoelectric

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    Item type:Publication,
    Development of micro-mobility based on piezoelectric energy harvesting for smart city applications
    (2020-04-01)
    Jettanasen, Chaiyan
    ;
    Songsukthawan, Panapong
    ;
    Ngaopitakkul, Atthapol
    This study investigates the use of an alternative energy source in the production of electric energy to meet the increasing energy requirements, encourage the use of clean energy, and thus reduce the effects of global warming. The alternative energy source used is a mechanical energy by piezoelectric material, which can convert mechanical energy into electrical energy, that can convert mechanical energy from pressure forces and vibrations during activities such as walking and traveling into electrical energy. Herein, a pilot device is designed, involving the modification of a bicycle into a stationary exercise bike with a piezoelectric generator, to study energy conversion and storage generated from using the bike. Secondly, the piezoelectric energy harvesting system is used on bicycles as a micro-mobility, light electric utility vehicle with smart operation, providing a novel approach to smart city design. The results show that the energy harvested from the piezoelectric devices can be stored in a 3200 mAh, 5 V battery and power sensors on the bicycle. Moreover, 13.6 mW power can be generated at regular cycling speed, outputting 11.5 V and 1.2 mA. Therefore, the piezoelectric energy harvesting system has sufficient potential for application as a renewable energy source that can be used with low power equipment.
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    Generation and storage of electrical energy from piezoelectric materials
    (2017-07-25)
    Songsukthawan, Panapong
    ;
    Jettanasen, Chaiyan
    The electrical energy generation and storage from piezoelectric materials are focused and discussed in this paper. This kind of materials is able to directly convert mechanical energy into electrical one, which can be later stored by utilizing energy harvesting technique/circuit. The energy conversion from ambient vibration is indeed nowadays fascinating research area. Due to the compatibility to integrate with electronics and microsystem with high voltage and supporting standalone circuit, it is the most popular electromechanical transducer materials for low power consumption applications, such as wireless and sensors. This paper focuses how to extract energy from piezoelectric materials to be stored in the energy storage device such as battery, in order to later supply electronic/electrical device/equipment. The simulation in MATLAB Simulink is presented and experimental results are also carried out in order to confirm the effectiveness of energy extraction. Consequently, this work may be practical for energy supplying of low power devices.