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Restoring Torque Control Strategy of IPMSM for the Independently Rotating Wheelsets in Wireless Trams

  • Oh, Ye Jun (Dept. of Electrical Engineering, Hanyang University) ;
  • Cho, Yonho (Bogie Development Team, Hyundai Rotem Co.) ;
  • Kim, In-Gun (Dept. of Electrical Engineering, Hanyang University) ;
  • Lee, Ju (Dept. of Electrical Engineering, Hanyang University) ;
  • Lee, Hyungwoo (Dept. of Railway Vehicle System Engineering, Korea National University of Transportation)
  • Received : 2017.02.01
  • Accepted : 2017.05.21
  • Published : 2017.07.01

Abstract

Wheelsets are an important component affecting the dynamic characteristics of railway vehicles. Research on wheelsets has been conducted for a long time. It is possible to generate the restoring force by the individual torque control of the left and right wheels in the independently rotating wheelsets (IRWs). Although this method solves the problems of conventional wheelsets, such as the solid axle wheelsets, the restoring force control must be added to the existing traction force control, and the restoring force requires a higher precision and quicker response than the traction force. In this paper, we study the robust control strategy of wireless trams with independently rotating wheelsets. The interior permanent magnet synchronous motor (IPMSM) and the controller with the actual scale wireless tram are designed to verify the torque control performance. Moreover, we propose an open loop control method to test and verify the traction and restoring force control algorithm of the IRWs.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea(NRF)

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