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

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.

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Cite this article

[IEEE Style]

K. Hartani, A. Merah, A. Draou, "Stability Enhancement of Four-in-Wheel Motor-Driven Electric Vehicles Using an Electric Differential System," Journal of Power Electronics, vol. 15, no. 5, pp. 1244-1255, 2015. DOI: 10.6113/JPE.2015.15.5.1244.

[ACM Style]

Kada Hartani, Abdelkader Merah, and Azeddine Draou. 2015. Stability Enhancement of Four-in-Wheel Motor-Driven Electric Vehicles Using an Electric Differential System. Journal of Power Electronics, 15, 5, (2015), 1244-1255. DOI: 10.6113/JPE.2015.15.5.1244.