标题：A New SVPWM-based Control Scheme of Permanent Magnetic Brushless DC Machine with Trapezoidal Back EMF Waveforms
作者：Chen, Jinlei; Li, Ming; Liu, Jinbo
作者机构：[Chen, Jinlei; Li, Ming; Liu, Jinbo] Shandong Univ, Sch Control Sci & Engn, Jinan, Shandong, Peoples R China.
会议名称：33rd Youth Academic Annual Conference of Chinese Association of Automation (YAC)
会议日期：MAY 18-20, 2018
来源：PROCEEDINGS 2018 33RD YOUTH ACADEMIC ANNUAL CONFERENCE OF CHINESE ASSOCIATION OF AUTOMATION (YAC)
关键词：Brushless de Machine; maximum torque per ampere (MTPA); SVPWM; torque; ripple; trapezoidal back EMF
摘要：Compared to permanent magnetic brushless DC machine with trapezoidal back EMF' waveforms (BLDCM), permanent magnetic synchronous machine with sinusoidal back EMF waveforms (PMSM) has superior performance. To enhance performances of BLDCM, this paper adopts a new type oriented vector control strategy'. Contrary to traditional rotor-flux oriented vector control in PMSM, the new control strategy takes back EMI; as the oriented vector for improving the capability of maximum torque per ampere (MTPA) of BLDCNI and reducing the torque ripple III. Also, a Space vector MUM modulation (SVPWM) based on "1211 conduction mode" is utilized for threephase bridge inverter 121. Combined the oriented strategy aforementioned with proposed SVPWM method, a new control system is constructed. Simulation validates effectiveness of this new control scheme.