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Full-order sliding mode control of uncertain chaos in a permanent magnet synchronous motor based on a fuzzy extended state observer |
Chen Qiang (陈强)a, Nan Yu-Rong (南余荣)a, Zheng Heng-Huo (郑恒火)a, Ren Xue-Mei (任雪梅)b |
a College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China; b School of Automation, Beijing Institute of Technology, Beijing 100081, China |
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Abstract A full-order sliding mode control based on a fuzzy extended state observer is proposed to control the uncertain chaos in the permanent magnet synchronous motor. Through a simple coordinate transformation, the chaotic PMSM model is transformed into the Brunovsky canonical form, which is more suitable for the controller design. Based on the fuzzy control theory, a fuzzy extended state observer is developed to estimate the unknown states and uncertainties, and the restriction that all the system states should be completely measurable is avoided. Thereafter, a full-order sliding mode controller is designed to ensure the convergence of all system states without any chattering problem. Comparative simulations show the effectiveness and superior performance of the proposed control method.
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Received: 07 April 2015
Revised: 10 June 2015
Accepted manuscript online:
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PACS:
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05.45.Gg
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(Control of chaos, applications of chaos)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61403343 and 61433003), the Scientific Research Foundation of Education Department of Zhejiang Province, China (Grant No. Y201329260), and the Natural Science Foundation of Zhejiang University of Technology, China (Grant No. 1301103053408). |
Corresponding Authors:
Feng Xiu-Qin
E-mail: sdnjchq@zjut.edu.cn
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Cite this article:
Chen Qiang (陈强), Nan Yu-Rong (南余荣), Zheng Heng-Huo (郑恒火), Ren Xue-Mei (任雪梅) Full-order sliding mode control of uncertain chaos in a permanent magnet synchronous motor based on a fuzzy extended state observer 2015 Chin. Phys. B 24 110504
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