Sensorless linear induction motor speed tracking using fuzzy observers

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/55073

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题名:	Sensorless linear induction motor speed tracking using fuzzy observers
作者:	Liu, P.;Hung, C.-Y.;Chiu, C.-S.;Lian, K.-Y.
贡献者:	淡江大學電機工程學系
日期:	2010-11
上传时间:	2011-08-10 11:31:16 (UTC+8)
出版者:	Stevenage: The Institution of Engineering and Technology
摘要:	In this study, the authors develop a sensorless speed controller for linear induction motors (LIMs) based on a fuzzy observer. The authors use a fifth-order non-linear LIM dynamical model with end-effects approximated by Taylor series. Then, the authors represent the LIM by a T-S fuzzy model and construct a fuzzy observer to estimate the immeasurable mover speed and secondary flux states. By computationally solving a set of linear matrix inequalities to obtain the observer gains, the authors achieve exponential convergence of estimation errors when fuzzy membership functions fit a Lipshitz-like property. Based on the fuzzy observer, the control law synthesis is carried out by using a virtual desired variable concept where a skew-symmetric property is utilised. The exponential convergence for both estimation error and tracking error is ensured by the controller design. Finally, speed tracking experiments are carried out to verify the theoretical results and show satisfactory performance.
關聯:	IET Electric Power Applications 5(4), pp.325-334
DOI:	10.1049/iet-epa.2010.0099
显示于类别:	[電機工程學系暨研究所] 期刊論文

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