Stability Enhancement of Four-in-Wheel Motor-Driven Electric Vehicles Using an Electric Differential System

- Journal title : Journal of Power Electronics
- Volume 15, Issue 5, 2015, pp.1244-1255
- Publisher : The Korean Institute of Power Electronics
- DOI : 10.6113/JPE.2015.15.5.1244

Title & Authors

Stability Enhancement of Four-in-Wheel Motor-Driven Electric Vehicles Using an Electric Differential System

Hartani, Kada; Merah, Abdelkader; Draou, Azeddine;

Hartani, Kada; Merah, Abdelkader; Draou, Azeddine;

Abstract

This paper presents a new multi-machine robust control based on an electric differential system for electric vehicle (EV) applications which is composed of four in-wheel permanent magnet synchronous motors. It is based on a new master-slave direct torque control (DTC) algorithm, which is used for the control of bi-machine traction systems based on a speed model reference adaptive system observer. The use of an electric differential in the design of a new EV constitutes a technological breakthrough. A classical system with a multi-inverter and a multi-machine comprises a three-phase inverter for each machine to be controlled. Another approach consists of only one three-phase inverter for several permanent magnet synchronous machines. The control of multi-machine single-inverter systems is the subject of this study. Several methods have been proposed for the control of multi-machine single-inverter systems. In this study, a new master-slave based DTC strategy is developed to generate an electric differential system. The entire system is simulated by Matlab/Simulink. The simulation results show the effectiveness of the new multi-machine robust control based on an electric differential system for use in EV applications.

Keywords

DTC;Electric differential;Electric vehicles;In-wheel motor-driven electric vehicle;MRAS;Multi-machine system;Multi-machine control;Traction application;

Language

English

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