An Innovative Power Management Strategy for Hybrid Battery–Supercapacitor Systems in Electric Vehicle

Imen Jarraya (), Fatma Abdelhedi and Nassim Rizoug
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Imen Jarraya: Robotics and Internet-of-Things Laboratory, Prince Sultan University, Riyadh 12435, Saudi Arabia
Fatma Abdelhedi: Department of Electrical and Computer Engineering, College of Engineering, King Abdulaziz University, Jeddah 22254, Saudi Arabia
Nassim Rizoug: Faculty of Engineering, Estaca University, 53000 Laval, France

Mathematics, 2023, vol. 12, issue 1, 1-23

Abstract: Currently, batteries and supercapacitors play a vital role as energy storage systems in industrial applications, particularly in electric vehicles. Electric vehicles benefit from the high energy density of lithium batteries as well as the high power density of supercapacitors. Hence, a robust and efficient energy management system is required to coordinate energy flows between these two storage systems, ensuring road safety. In this study, we develop a novel rule-based strategy called “Continuous Regulation with Dynamic Battery Power Limiting” to establish robust control between the lithium-ion battery and the supercapacitor. A comparative analysis is conducted to evaluate the performance of this proposed approach in comparison to conventional methods. The results show that this approach significantly enhances driving comfort and prevents depletion of the main energy source, resulting in a gain of nearly 30% compared to a lithium-ion battery electric vehicle. Additionally, this new rules-based strategy ensures that the supercapacitor is charged at the end of each drive cycle.

Keywords: electric vehicle with hybrid source; Li-ion battery; supercapacitor (SC); power management system (PMS); Continuous Regulation with Dynamic Battery Power Limiting strategy (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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