An Energy Management of Light Electric Vehicle

Author(s): Farid Arafat Azidina,b, Mahammad Abdul Hannana*, Azah Mohameda
a Depart. of Electrical, Electronic and System Engi., Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia 
b FKEKK, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76109, Durian Tunggal, Melaka, Malaysia
International Journal of Smart Grid and Clean Energy, vol. 2, no. 2, May 2013: pp. 271–276
ISSN: 2315-4462
Digital Object Identifier: 10.12720/sgce.2.2.271-276

Abstract: Oil depletion, global warming and CO2 gas emissions have become a concern and have motivated the development of an efficient and extendable energy management system (EMS) using renewable energy sources for light vehicles. In this paper, a state-based logic control algorithm is developed for a multi-source EMS for light electric vehicle, i.e., electric scooters. The multiple sources of energy, such as a battery, fuel cell (FC), and super-capacitor (SC), EMS and power controller are designed and modeled using MATLAB. The developed control strategies continuously support the EMS of the multiple sources of energy for a scooter under normal load conditions. The performance of the proposed system is analyzed and compared with that of the ECE-47 test drive cycle in terms of vehicle speed and load power. The results show that the designed vehicle’s speed and load power closely match those of the ECE-47 test driving cycle under normal conditions. This study results suggest that the proposed control algorithm provides an efficient and feasible EMS for light electric vehicles.

Keywords: Fuel cell, battery, supercapacitors, control state, energy management system

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