Robust vector control of induction motors using full-order observer in consideration of core loss
Hasegawa, M.
Furutani, S.
Doki, S.
Okuma, S.
Dept. of Electr. Eng., Chubu Univ., Aichi, Japan;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Oct. 2003
Volume: 50,
Issue: 5
On page(s): 912- 919
ISSN: 0278-0046
INSPEC Accession Number: 7757096
Digital Object Identifier: 10.1109/TIE.2003.817606
Current Version Published: 2003-10-07
Abstract
This paper proposes a method for designing a robust full-order observer for vector-controlled induction motors taking core loss into account. Although conventional research focuses on parameter identification, global stability of the identification remains questionable. Therefore, robustness against some parameters is required. This paper describes the design of a robust full-order observer which takes core loss into account, using both the gain-scheduled H∞ control and the linear matrix inequality technique. This design always results in a stable controller. The robustness of the proposed method against variations of resistances is evaluated by experiments.
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