6Ding Bao,Sun Manyi,Tang Haiyan.Research on Energy Saving Control Scheme of Elevator Running Based upon the Current Angle θ in Vector Space.Proceedings of the Eighth International Conference on Electrical Machines and Systems.Beijing:Published and Distributed by International Academic Publishers/Beijing World Publishing Corporation,2005,Vol.1:5-108.
7Yang Qiu,Jian Li,Ming Xu,et al.Proposed DPWM scheme with improved resolution for switching power converters[A].IEEE APEC 2007[C].Anaheim,CA,USA.2007.1588-1593.
8陈国呈,金东海.在最优化PWM模式控制下变频器的输出特性(Inverter output characteristic by means of optimum PWM mode control)[A].中国交流电机调速传动学术会议论文集(Proc.1 st variable speed AC drives[C].北戴河(Beidaihe),1989.204-207.