INTELLIGENT TIRE– ENERGY HARVESTING FROM VEHICLE TIRES BY USING PIEZOELECTRIC CELL

Instrumentation Engineering

Piezoelectric materials can be used to convert oscillatory mechanical energy into electrical energy. This technology, together with innovative mechanical coupling designs, can form the basis for harvesting energy from mechanical motion. Piezoelectric energy can be harvested to convert walking motion from the human body into electrical power. Energy harvesting systems can play an important role in extracting energy from sources that are already being wasted while there is a potential to sustain the amount of energy for sensors. In this project, a new geometry of strain-based piezoelectric energy harvester is proposed to preserve a significant fraction of tire strain energy. The output electric energy and voltage of the energy harvester are about 7 V, 5 mW and 90 μJ/rev, respectively. The obtained amount of output energy is sufficient to power many items in a vehicle. If the vehicle is electrical we can increase its mileage by adding this generated electricity to the main battery. Due to the nature of the piezoelectric material which can convert the stress or deflection to the electric charge, lately harvesting energy from different types of waste

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