A fuzzy logic based controller for the bidirectional converter in an electric vehicle

Abstract

Many technologies are focusing on the Electric Vehicles to grow in a big way to reduce the oil consumption and the carbon emmissions levels across all over the world in the near future. However there are many hindrance factors like the price of Li-ion batteries, charging infrastructure and charging methods are affecting the growth of EV’s. Understanding these issues, a two stage basic converter popularly known as Bidirectional DC-DC converter is proposed for Grid-2-Vehicle, Vehicle-2-Grid, Vehicle-2-Home applications and leads to the efficient Energy Management Systems. The Bidirectional Converter uses an independent control using Fuzzy logic controller at each mode of power conversion stage. By using this unique feature, the Electrical Vehicle battery able to work in charging mode and discharging mode efficiently. In addition, this converter uses less number of components, with good operating efficiencies and most economical. The entire system has been developed using MATLAB-Simulink software.