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International Journal of Automotive Technology

, Volume 19, Issue 5, pp 811–823 | Cite as

On the Experimental Analysis of Integral Sliding Modes for Yaw Rate and Sideslip Control of an Electric Vehicle with Multiple Motors

  • Antonio Tota
  • Basilio Lenzo
  • Qian Lu
  • Aldo Sorniotti
  • Patrick Gruber
  • Saber Fallah
  • Mauro Velardocchia
  • Enrico Galvagno
  • Jasper De Smet
Article
  • 62 Downloads

Abstract

With the advent of electric vehicles with multiple motors, the steady-state and transient cornering responses can be designed and implemented through the continuous torque control of the individual wheels, i.e., torque-vectoring or direct yaw moment control. The literature includes several papers on sliding mode control theory for torque-vectoring, but the experimental investigation is so far limited. More importantly, to the knowledge of the authors, the experimental comparison of direct yaw moment control based on sliding modes and typical controllers used for stability control in production vehicles is missing. This paper aims to reduce this gap by presenting and analyzing an integral sliding mode controller for concurrent yaw rate and sideslip control. A new driving mode, the Enhanced Sport mode, is proposed, inducing sustained high values of sideslip angle, which can be limited to a specified threshold. The system is experimentally assessed on a four-wheel-drive electric vehicle. The performance of the integral sliding mode controller is compared with that of a linear quadratic regulator during step steer tests. The results show that the integral sliding mode controller significantly enhances the tracking performance and yaw damping compared to the more conventional linear quadratic regulator based on an augmented singletrack vehicle model formulation.

Key words

Electric vehicle Four-wheel-drive Yaw rate control Sideslip control Integral sliding mode Linear quadratic regulator Experimental demonstration Performance comparison 

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Copyright information

© The Korean Society of Automotive Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Antonio Tota
    • 1
    • 2
  • Basilio Lenzo
    • 1
    • 3
  • Qian Lu
    • 1
  • Aldo Sorniotti
    • 1
  • Patrick Gruber
    • 1
  • Saber Fallah
    • 1
  • Mauro Velardocchia
    • 2
  • Enrico Galvagno
    • 2
  • Jasper De Smet
    • 4
  1. 1.Department of Mechanical Engineering SciencesUniversity of SurreyGuildfordUK
  2. 2.Department of Mechanical and Aerospace EngineeringPolitecnico di TorinoTorinoItaly
  3. 3.Department of Engineering and MathematicsSheffield Hallam UniversitySheffieldUK
  4. 4.Core Lab DecisionsFlanders MAKELommelBelgium

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