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Interpolation technique for encoder resolution improvement in permanent magnet synchronous motor drives

Lookup NU author(s): Zhaodong Feng, Professor Paul Acarnley


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This paper presents an interpolation scheme for high-resolution rotor position estimation using data from a low-resolution encoder. The estimator is produced by incorporating a geometric polynomial equation into the rotor movement profile. The low and transient speed characteristics are examined and it is shown that the technique can produce effective resolution improvements by a factor of 16. © 2006 IEEE.

Publication metadata

Author(s): Feng Z, Acarnley P

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Symposium on Power Electronics, Electrical Drives, Automation and Motion, 2006. SPEEDAM 2006

Year of Conference: 2006

Pages: 120-125

Publisher: IEEE


DOI: 10.1109/SPEEDAM.2006.1649756

Library holdings: Search Newcastle University Library for this item

ISBN: 1424401941