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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2011> 20(3): 394-398
ZHANG Cheng-ning, WU Xiao-hua, WANG Zhi-fu, TIAN Zhen. Mode switching control strategy of dual motors coupled driving on electric vehicles[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(3): 394-398.
Citation: ZHANG Cheng-ning, WU Xiao-hua, WANG Zhi-fu, TIAN Zhen. Mode switching control strategy of dual motors coupled driving on electric vehicles[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(3): 394-398.
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Mode switching control strategy of dual motors coupled driving on electric vehicles

  • National Engineering Laboratory for Electric Vehicle,Beijing Institute of Technology,Beijing 100081,China

  • Received Date:2010-12-31
    Abstract
  • Based on analyzing the structure and working principle on electric vehicles (EVs) with dual motors coupled by planetary gears, the control strategy of mode switching was proposed. The power interruption problem on EVs with automatic mechanical transmission (AMT) shifting was resolved. Based on the speed-torque characteristics of the planetary gears and the principle of the auxiliary motor’s zero speed braking, control features of mode switching were introduced. The mode shifting between the main motor mode and dual motors coupled driving were studied. Matlab/Simulink was adopted as a platform to develop the simulation model of EVs with dual motors drive system and 3 gears AMT. Simulation results demonstrated that the power interruption of dual motors drive system was solved during mode switching. The power requirements of EVs were satisfied, too.
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