Improved sensorless operation of interior PM BLAC motor drives with reduced-order EKF (original) (raw)

Abstract

It is a challenge to realise an EKF-based sensorless controller for an Interior Permanent Magnet (IPM) brushless ac motor drive due to the influence of non-linearities and rotor saliency. An improved reduced-order EKF method is presented, reducing the rotor position estimation error of an IPM motor, as evident in [1] due to the neglect of saliency. The effectiveness of the proposed method is verified experimentally.

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Authors and Affiliations

  1. Department of Electronic and Electrical Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK
    Yang-Feng Shi, Zi-Qiang Zhu & David Howe

Authors

  1. Yang-Feng Shi
  2. Zi-Qiang Zhu
  3. David Howe

Corresponding author

Correspondence toZi-Qiang Zhu.

Additional information

Yang-Feng Shi was born in Jiangsu, China, in 1973. He received the BSc and MSc degrees in Electrical and Electronic engineering in 1993 and 2000, respectively, from Nanjing University of Aeronautics and Astronautics, Nanjing, China.

Since 2000, he has been studying for his Ph.D. degree at the University of Sheffield, Sheffield, UK, in Electrical and Electronic engineering. His main research interests include brushless ac motor drives and power electronics.

Zi-Qiang Zhu received the B.Eng. and M.Sc. degrees from Zhejiang University, Hangzhou, China, in 1982 and 1984, respectively, and was awarded the Ph.D. by the University of Sheffield, Sheffield, UK, in 1991, all in Electrical and Electronic engineering.

From 1984 to 1988, he lectured in the Department of Electrical Engineering at Zhejiang University. In 1988, he joined the University of Sheffield, where since 2000 he has been a Professor of Electrical Engineering. His current major research interests include the application, control, and design of permanent magnet machines and drives.

David Howe received the B.Tech and M.Sc. degrees from the University of Bradford, in 1966 and 1967, respectively, and a Ph.D. from the University of Southampton in 1974, all in Electrical Power Engineering.

He has held academic posts at Brunel and Southampton Universities, and spent a period in industry with NEI Parsons Ltd working on electromagnetic problems related to turbo generators. He is currently Professor of Electrical Engineering at the University of Sheffield, where he heads the Electrical Machines and Drives Research Group and is Director of the Rolls-Royce University Technology Centre in Advanced Electrical Machines and Drives. His research activities span all facets of controlled electrical drive systems, with particular emphasis on permanent magnet excited machines. Prof. Howe is a Chartered Engineer, a Fellow of the Royal Academy of Engineering, and a Fellow of the IEE, UK.

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Shi, YF., Zhu, ZQ. & Howe, D. Improved sensorless operation of interior PM BLAC motor drives with reduced-order EKF.Int J Automat Comput 3, 99–106 (2006). https://doi.org/10.1007/s11633-006-0099-4

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