7Ke Y L, Chuang Y C, Chuang H S. Recovery electric bicycle with two-quadrant DC motor drivers[C]//Proceedings of IEEE Conference on lndustry Applications Society Annual Meeting. Houston, Texas, USA: Wholesale W Electric, 2009: 1-7.
8Yildiz A B. Large-signal analysis of DC motor drive system using state-space averaging technique[J] . Energy Conversion and Management, 2008, 49(11): 3069-3074.
9Ahmed N A. Modeling and simulation of AC-DC buck-boost converter fed dc motor with uniform PWM technique[J]. Electric Power SystemsResearch, 2005, 73(3): 363-372.
10Munehiro K. Development of traction drive motors for the toyota hybrid system[J]. Transactions of the Institute of Electrical Engineers of Japan, 2006, 26(9): 473-479.
