Design of Piezoelectric Based Power Generation System for Electric Vehicle
Hariprasad Hegde1, Ugra Mohan Roy2, Mrinal Kumar3

1Hariprasad Hegde*, Department of Electrical Communication Engineering, RUAS, Bangalore, India.
2Dr. Ugra Mohan Roy, Assistant Professor, Department of Electrical Communication Engineering, RUAS, Bangalore, India.
3Mrinal Kumar, Department of Mechanical Engineer, Bangalore, India. 

Manuscript received on October 06, 2020. | Revised Manuscript received on October 25, 2020. | Manuscript published on November 30, 2020. | PP: 83-88 | Volume-9 Issue-4, November 2020. | Retrieval Number: 100.1/ijrte.D4781119420 | DOI: 10.35940/ijrte.D4781.119420
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Abstract: Increase in demand for vehicles are most threatening for global warming. It cannot be stopped as it is one of the basic needs of the world. Few automobile companies started thinking about alternatives and developed hybrid vehicles, electric vehicles, solar powered vehicles, etc. As industry is directing towards new era, it opens up new problems as well. Many companies, institutions are researching on future electric vehicles and its specific problems. One of the needs in current scenario is dynamic charging of electric vehicle battery as it increases the number of running hours of vehicle, thus efficiency. This project would throw some light on dynamic recharging of electric vehicle battery by using piezoelectric devices installed on its tyres. Study has been conducted majorly on magnitude and signature of the output voltage and current from piezoelectric device and battery charging circuit. Supercapacitor is the primary component used in charging circuit to store the charge and feed back to battery of electric vehicle in running condition. Circuit has been simulated with 6 quantity of piezoelectric devices to understand the functionality of concept. It is concluded that 1.65 mW of power can be generated from 4 tyres of car at applied force of 50 N. But, actual force on tyre would vary from 900 N to 1500 N and it is fair to expect more power generation from each tyre. 
Keywords: Dynamic charging, Electric vehicle, Energy harvesting, Piezoelectric device, Supercapacitor.