Adaptive fuzzy logic-based velocity observer for servo motor drives

淡江大學機構典藏 > 工學院 > 機械與機電工程學系暨研究所 > 期刊論文 > Item 987654321/45835

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題名:	Adaptive fuzzy logic-based velocity observer for servo motor drives
作者:	Lin, Feng-chieh;Yang, Sheng-ming
貢獻者:	淡江大學機械與機電工程學系
關鍵詞:	Velocity observer;Adaptive fuzzy logic;Servo motor
日期:	2003-04-01
上傳時間:	2010-03-26 20:06:07 (UTC+8)
出版者:	Kidlington: Pergamon Press
摘要:	As the position transducers commonly used in industry do not inherently measure an instantaneous velocity, signal processing is generally required to improve the accuracy of velocity estimation at each sampling instant. This estimated signal is then used as the velocity feedback for the velocity loop control in servo motor drives. In this paper, an adaptive fuzzy logic-based observer is proposed to estimate velocity from the measured motor position. The proposed observer has a structure similar to that of the conventional state observer except that the state feedback is replaced with a fuzzy logic feedback. The observer has two adaptation mechanisms: the first one is used to vary the fuzzy output, and the second one is used to identify the motor parameters. The experimental results show that the noise in the estimated velocity caused by the quantization of the measured position can be reduced dramatically with the proposed observer. In addition, the observer has good transient responses in both normal and in low speeds.
關聯:	Mechatronics 13(3), pp.229-241
DOI:	10.1016/S0957-4158(01)00044-7
顯示於類別:	[機械與機電工程學系暨研究所] 期刊論文

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