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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/34232

Title: Garvity compensation for an ILPMSM driver based on a robust uncertainty controller with system delay compensation
Authors: Wei-Hann Yao;Pi-Cheng Tung;Chyun-Chau Fuh;Fu-Chu Chou
Contributors: NTOU:Department of Mechanical and Mechatronic Engineering
Keywords: Gravity compensation, Linear motor, Robust uncertainty controller, Delay compensation
Date: 2013-01
Issue Date: 2013-10-07T02:07:56Z
Publisher: International Journal of Innovative Computing, Information and Control
Abstract: Gravity compensation for an ironless linear permanent magnet synchronous motor (ILPMSM) driver based on robust uncertainty controller with system delay compensation presented. In the proposed control scheme, the robust uncertainty controller includes an inverse of the designed first order reference model with an input deduction and integral term; the system delay compensation adopts an inverse system delay model to compensate the system transport delay effect. The proposed controller can reduce disturbance and modeling uncertainty due to the difference between the reference model and the real system model, and the proposed controller does not require knowing precise system parameters. The system response that can be achieved is similar to that of the designed reference model, where DC gain is one. Therefore, DC gain of the controlled closed-loop system is denoted as one, so the proposed controller does not need to be combined with other control algorithms. In this paper, first, the proposed control scheme is used for ILPMSM system current control to reduce disturbance due to the d-q axis coupling effect and modeling uncertainty. Next, it is used for ILPMSM system velocity control to reduce modeling uncertainty and disturbance of friction and gravity force. The effectiveness of the proposed controls scheme is verified by the simulation and experimental results.
Relation: 9(1), pp.287-303
URI: http://ntour.ntou.edu.tw/handle/987654321/34232
Appears in Collections:[機械與機電工程學系] 期刊論文

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