An Adaptive Sliding-Mode Controller With a Modified Reduced-Order Proportional Integral Observer for Speed Regulation of a Permanent Magnet Synchronous Motor
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Ton Hoang Nguyen
[1
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Ty Trung Nguyen
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Sungkyunkwan Univ, Dept Elect & Comp Engn, Suwon 16419, South KoreaSungkyunkwan Univ, Dept Elect & Comp Engn, Suwon 16419, South Korea
Ty Trung Nguyen
[1
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Vinh Quang Nguyen
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Kien Minh Le
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Le Quy Don Tech Univ, Fac Control Engn, Hanoi 11900, VietnamSungkyunkwan Univ, Dept Elect & Comp Engn, Suwon 16419, South Korea
Kien Minh Le
[2
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Hoang Ngoc Tran
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Jeon, Jae Wook
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Sungkyunkwan Univ, Dept Elect & Comp Engn, Suwon 16419, South KoreaSungkyunkwan Univ, Dept Elect & Comp Engn, Suwon 16419, South Korea
Jeon, Jae Wook
[1
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机构:
[1] Sungkyunkwan Univ, Dept Elect & Comp Engn, Suwon 16419, South Korea
[2] Le Quy Don Tech Univ, Fac Control Engn, Hanoi 11900, Vietnam
This article proposes an adaptive sliding-mode control (ASMC) with a modified reduced-order proportional integral observer (MROPIO) to provide speed control for a permanent magnet synchronous motor against unknown disturbances, such as system parameter uncertainties and external load torque variation. The ASMC method, based on a new sliding-mode reaching law, improves chattering in the control signal and reduces the time required for the system trajectory to reach the sliding-mode surface. The MROPIO estimates unknown disturbances and provides feed-forward compensation for the ASMC, thus overcoming incorrect estimations of unknown disturbances during speed jumps can cause overshoots in the speed response. All the proposed methods were implemented on an industrial motor drive. The experimental results confirm the validity of the proposed method for practical applications.