3Green Car Congress. New two-speed electric vehicle transmission for improved performance,range and battery life[EB/OL].ww.ecosilly.com/2009/05/12/,2009,2009.
4EBERLEH B,HARTKOPF T H. A high speed-induction machine with two speed transmission as drivefor electric vehicles[A].http:// ieeexplore.ieee.org/xpls/abs_all.j sp?arnumber=1649779,2006.
5过学迅.汽车自动变速器结构原理第2版[M]{H}北京:机械工业出版社,20125.
6Vocis.New Two-Speed Electric Vehicle Transmission For ImprovedPerformance, Range and Battery Life[C].Green Car Congress,2009,5.
7Xi Jun-qiang,Xiong Guang-ming,Zhang Yan.Application of AutomaticManual Transmission Technology in Pure Electric Bus[J]. IEEEVehicle Power and Propulsion Conference(VPPC).2008,10.