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Proceedings Paper

Sliding mode decoupling for IPM machine
Author(s): Seung Kyu Park; Tae Won Kim; Tae Sung Yoon; Kun Pyoung Kwak; Ho Kyun Ahn
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Paper Abstract

The current control for interior permanent magnet(IPM) machines is more complicate than surface permanent magnet (SPM) machine because of its torque characteristic depending on the reluctance. For high performance torque control, it requires state decoupling between the d-current and q-current dynamics. However the variation of the inductances, which couples the state dynamics of the currents, makes the state decoupling difficult. So some decoupling methods have developed to cope this variations and each current can be regulated independently. This paper presents a novel approach for the decoupling of the states cross-coupling using sliding mode control. The sliding mode control method is based on the error between reference currents and the actual currents. The proposed method has the advantages of PI control performance and the sliding mode control robustness. Its first design step is to design PI controller, then the sliding mode control input term is added to it. This makes actual implementation of the controller easier.

Paper Details

Date Published: 2 May 2006
PDF: 5 pages
Proc. SPIE 6042, ICMIT 2005: Control Systems and Robotics, 60421B (2 May 2006); doi: 10.1117/12.664600
Show Author Affiliations
Seung Kyu Park, Changwon National Univ. (South Korea)
Tae Won Kim, Changwon National Univ. (South Korea)
Tae Sung Yoon, Changwon National Univ. (South Korea)
Kun Pyoung Kwak, Changwon National Univ. (South Korea)
Ho Kyun Ahn, Changwon National Univ. (South Korea)


Published in SPIE Proceedings Vol. 6042:
ICMIT 2005: Control Systems and Robotics

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