Model Based Development of Torque Control Drive for Induction Motors for Micro Electric Vehicles

Mohammad Khalifa Al-Alawi, Kamyar Nikzadfar

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Abstract

Electric vehicles are attaining significant attention recently and the current legislation is forcing the automotive industry to electrify the productions. Regardless of electric energy accumulation technology, drive technology is one of the vital components of EVs. The motor drive technology has been mainly developed based on the application which required position/velocity control. In automotive application, however, torque control is an important aspect since the drivers have already used to drive the vehicle based on torque control approach in traditional powertrain system. In this article, a model-based approach is employed to develop a controller which can guarantee the precise control of the induction motors torque for a micro electric vehicle (EV) application regardless of operating conditions. The implementation of the control drive was conducted in MATLAB/Simulink environment, followed by Model In the Loop simulation and testing at various test conditions to confirm the robustness of the developed drive. Direct Torque Control (DTC) with optimum voltage vector selection method is employed to control the motor torque that requires fewer power electronics to process its operation and hence lowers the cost of implementation. The result shows the practicality of the designed control system and its ability to track reference torque commands. Vitally, the controlled approach shows fair abilities to control IMs to produce torque at both the motoring and regenerative modes which is a highly important requirement in electrical propulsion powertrains. Furthermore, the controller’s response time was within the industrial standard range which confirms its suitability for industrial implementation at low cost.
Original languageEnglish
Article number4
Pages (from-to)4003-4016
JournalAutomotive Science and Engineering
Volume12
Issue number4
DOIs
Publication statusPublished - 5 Dec 2022

Bibliographical note

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Keywords

  • Electric vehicle
  • Drive technology
  • Motor control
  • Induction motors
  • Direct Torque Control
  • Model based control design

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