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Application of Permanent Magnet Synchronous Machines in Automotive Steering Systems

Sebastian Tomy    (Delphi Corporation   ); Islam Mohammad S.    (Delphi Corporation   ); Mir Sayeed    (Delphi Corporation  );
  • 초록

    Several of the conventional hydraulic systems in an automobile are now being replaced by more reliable and energy efficient electromechanical systems. Developments in the brushless permanent magnet machine and in the power and control electronics are the key factors responsible for this transformation. These applications brought out some performance challenges associated with the brushless machines. This paper will focus on these challenges to be able to use these machines in such applications. In terms of replacing hydraulic systems with electromechanical systems, steering system is leading the way in automobiles. Currently, steering systems using Electro-hydraulically assisted systems and Electrically assisted (Electromechanical) systems are in the market. Though the Electrically assisted power steering has several advantages over other systems, certain performance and cost challenges delayed the penetration of such systems in to the market.


  • 주제어

    automotive steering systems .   electromechanical systems .   brushless permanent magnet machine .   electrically assisted power steering.  

  • 참고문헌 (7)

    1. ?Elizabeth A. Bretz, 'By-wire cars tum the comer', IEEE Spectrum, April 2001, pp: 68-73 
    2. ?M. S. Islam, S. Mir, T. Sebastian, 'Electric Motors for Automotive applications', European Power Electronics Journal, Vol. 14, no 1, February 2004, pp. 31-37 
    3. ?A. Pawlak, D. Graber, and D. Eckhardt, 'Magnetic power steering assist system', SAE International Congress and Exposition, Detroit, Michigan, USA, Feb 28-Mar. 3,1994, SP-1136, Detroit, MI USA 
    4. ?M. S. Islam, S. Mir and T. Sebastian, 'Issues in reducing the cogging torque of mass-produced permanent magnet brushless DC motors,' IEEE Trans. on Industry Applications, vol. 40, no.3, pp. 813-820, May/June 2004 
    5. ?S. Chen, C. Numudari, S. Mir, 'Controller Induced Parasitic Torque Ripple in a PM Synchronous Motor' Proceedings of the IEEE Industry Application Society Annual meeting, Rome, Italy, 2000, Oct 7-14 
    6. ?B. Liu, S.K. Murthy and T. Sebastian, 'Design considerations of drive motors for electric power steering', Proc. of the 32nd Int. Symposium on Automotive Technology and Automation (ISATA), Vienna, Austria, 14th June - 18th June 1999, paper # 99AE021, pp.195-198 
    7. ?N. Iwama, Y. Inaguma, K. Asano, T. Mori, Y. Hayashi 'Independent rear wheel control by electric motors, 23rd FISITA Congress, Torino, Italy, 1990 

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