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	A speed identification method for induction motor based on MRAS
	Chen Wei ; Qu Wen-long ; Lu Hai-feng
	2010-05-06 ; 2010-05-06
关键词	Practical Experimental/ induction motors machine vector control model reference adaptive control systems rotors stators/ speed identification method induction motor model reference adaptive system stationary reference frame rotor speed stator resistance rotor flux observer direct field orientation control tracking-differentiator/ B8310E Asynchronous machines C3340H Control of electric power systems C1340E Self-adjusting control systems
中文摘要	In this paper, a model reference adaptive system (MRAS) implemented in stationary reference frame is proposed to identify the rotor speed of an induction motor. The reference model and adjustable model used in this MRAS scheme are composed of stator equations and rotor equations respectively. Stator resistance and pure integration are removed from the reference model, resulting in robust performance in wide speed range. The adjustable model contains the information of rotor speed and a current model rotor flux observer. When the estimated speed converges to the actual rotor speed, the rotor flux observed converges to its true value, which can be used in direct field orientation control (DFOC). In addition, in order to avoid pure derivative operation on stator current, tracking-differentiator is adopted to acquire differential signals with high quality. Simulations and experimental results have verified its effectiveness.
语种	中文 ; 中文
出版者	Beijing Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10726]
专题	清华大学
推荐引用方式 GB/T 7714	Chen Wei,Qu Wen-long,Lu Hai-feng. A speed identification method for induction motor based on MRAS[J],2010, 2010.
APA	Chen Wei,Qu Wen-long,&Lu Hai-feng.(2010).A speed identification method for induction motor based on MRAS..
MLA	Chen Wei,et al."A speed identification method for induction motor based on MRAS".(2010).

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