Design of Math Function Based Controller for Smooth Switching of Hybrid Energy Storage System

  • Raghavaiah Katuri Department of Electrical Engineering, Vignan’s Foundation for Science Technology& Research, and Vadlamudi, India
  • G. Srinivasa Rao Department of Electrical Engineering, Vignan’s Foundation for Science Technology& Research, and Vadlamudi, India
Keywords: Hybrid Energy Storage System, Hybrid Electric Vehicle, Electric Vehicle, Battery, UltraCapacitor, Boost Converter, Buck-Boost Converter, Math Function Based Controller, Proportional Integral (PI) Controller

Abstract

Hybrid Energy Storage System (HESS) has been implemented for better energy efficiency to Hybrid/Electric Vehicles (HEV/EV), in that the main source is Battery and UltraCapacitor (UC) is the auxiliary source. The battery is connected to DC Bus through Boost Converter and UltraCapacitor has connected through Buck-Boost Converter. Battery and UltraCapacitor voltages levels are maintained less than the DC bus voltage.  The main aim of this paper is to design an intelligent controller for a smooth transition between the sources in the Hybrid Energy Storage System. Math Function Based (MFB) Controller has modelled and implemented to an electric motor for Electric/Hybrid Electric Vehicle Application. The MFB controller has to work based on the Speed of the motor and this controller makes the closed loop operation of the overall system with smooth operation between the energy sources. Proportional Integral (PI) controller used here to maintain the constant voltage profile for various loads at the terminals of the electric motor. Combination of PI and MFB controllers has given closed loop operation of the entire model with smooth switching between the sources. The total circuit has simulated in MATLAB/Simulink and obtained the satisfactory results, which are discussed in the results section.

References

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Published
2018-02-03
How to Cite
Katuri, R., & Rao, G. (2018). Design of Math Function Based Controller for Smooth Switching of Hybrid Energy Storage System. Majlesi Journal of Electrical Engineering, 12(2), 47-54. Retrieved from http://mjee.iaumajlesi.ac.ir/index/index.php/ee/article/view/2584
Section
Articles