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	Torque direct control method for BLDC motors with non-ideal back EMF waveforms
	Zhang Lei ; Qu Wenlong ; Lu Haifeng ; Xiao Wei
	2010-05-06 ; 2010-05-06
关键词	Practical Theoretical or Mathematical/ brushless DC motors electromagnetic forces machine control torque control/ torque direct control method BLDC motors nonideal back EMF waveforms brushless dc motors electromagnetic force torque ripples feedback torque two-phase energizing mode/ B8320 d.c. machines C3340H Control of electric power systems C3120F Mechanical variables control
中文摘要	This paper presents a torque direct control method for BLDC (brushless dc) motors with non-ideal back EMF (electromagnetic force) waveforms. The electromagnetic torque is directly controlled to restrain torque ripples caused by the non-ideal back EMF waveforms. A duty cycle value, used to control the switching, is calculated by comparing the reference torque to the feedback torque in the torque controller. The system uses a two-phase energizing mode with consideration of the finite capacity of the dc voltage supply during the commutation intervals. Simulations and test results show that the torque direct control method restrains torque ripples in BLDC motors with non-ideal back EMF waveforms more efficiently than conventional rectangular current control.
语种	中文 ; 中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10747]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang Lei,Qu Wenlong,Lu Haifeng,et al. Torque direct control method for BLDC motors with non-ideal back EMF waveforms[J],2010, 2010.
APA	Zhang Lei,Qu Wenlong,Lu Haifeng,&Xiao Wei.(2010).Torque direct control method for BLDC motors with non-ideal back EMF waveforms..
MLA	Zhang Lei,et al."Torque direct control method for BLDC motors with non-ideal back EMF waveforms".(2010).

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