Title: Review on electronic differential system for electric vehicles

Authors: Xiaobin Fan; Hao Li

Addresses: School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China; Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou, 545006, China ' School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China

Abstract: Electronic differential control is very important for distributed drive electric vehicles. This paper analyses the characteristics of centralised and distributed drive structures of electric vehicle drive system. For centralised driving EVs, the research on differential driving mainly focuses on the structural transformation of the traditional differential and driving motor, while the research on the differential system of distributed driving EVs mainly lies in control strategies, control theories and control optimisation algorithms. Finally, the advantages and deficiencies of various differential control technologies are summarised and analysed, and the future development trend is prospected. Adopting slip rate, yaw rate, and vehicle sideslip angle as indirect observations, the torque-controlled differential scheme that combines multi-theory joint control incorporating intelligent algorithms is the future development trend for EV differential control.

Keywords: electric vehicle; differential control; dual-rotor motor; control theory; driving system.

DOI: 10.1504/IJHVS.2024.138394

International Journal of Heavy Vehicle Systems, 2024 Vol.31 No.3, pp.307 - 335

Received: 17 Nov 2022
Accepted: 20 Mar 2023
Published online: 02 May 2024 *

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