【正文】
d voltagesource PWM invuerters with constant modulation frequency. IEEE Trans on IA,1990,26(1):88~92.[15]Peresada S,Tonielli A,Morici indirect fieldoriented output feedback control of induction motos. Automatics,1999,35:1033~1047.[16]Nihat robust sliding mode flux and speed observer for speed sensorless control of an indirect fiedld oriented induction motor drives. Electric Power Sytems.[17] Oliverira, Control Method for Voltage Source Inverter Without Dc Link Electronics Specialists Conference,~4437.五、指導(dǎo)教師意見