Human-Powered Wireless Controlled Lighting Floor With Piezoelectric Energy Harvester

Ngan, Jian Wei (2014) Human-Powered Wireless Controlled Lighting Floor With Piezoelectric Energy Harvester. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The renewable energy devices have developed rapidly although present is having many of strategies develop the weather to produce energy but not kinetic energy. So, designing and developing a piezoelectric energy harvesting system is potentially to be carrying. This is to incorporating piezoelectric materials into floor tile system in generating electrical energy from human foot strike impact to operate wireless transmitter and LED. It need to be effectively extract and turn kinetic energy into usable electrical power as it will only produce milli watt low output power for every single foot stepped on prototype. Meanwhile, output power need to be rectified from AC source and stored as DC source to make sure the transmitter can be operated for longer time. This system will be charging a capacitor bank after power source being rectified, and then using the storing energy for lighting up light emitting diode and powering transmitter. By using capacitor, the LED or transmitter output when connected, it able operate for a longer time-consuming instead of just pulsating on while system is being triggered. The prototype supplement by battery source as it only generates mill watt power within a foot strike. Therefore, my objective is to design a prototype and demonstrate the possible of recycling the unused kinetic energy into a useful way together analyzed results. The experimental result shown obtained output voltage correspond to weight applied which is 0.4V harvested when 80kg applied. Thus, the transmitter is able to power up and send signal wirelessly.

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