4Pillay P, Krishnan R. Modeling, simulation, and analysis of permanent-magnet motor drives (Ⅰ): The permanent-magnet synchronous motor drives [ J ]. IEEE Industry Applications, 1989,25 (2): 265 - 273.
5Pillay P, Krishnan R. Modeling, simulation, and analysis of permanent-magnet motor drives ( Ⅱ ): The brushless DC motor drive [ J]. IEEE Industry Applicatications, 1989,25 (2) :274 -279.