New self-tuning fuzzy PI control of a novel doubly salient permanent-magnet motor drive
Ming Cheng
Qiang Sun
Zhou, E.
Dept. of Electr. Eng., Southeast Univ., Nanjing, China;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: June 2006
Volume: 53,
Issue: 3
On page(s): 814- 821
ISSN: 0278-0046
INSPEC Accession Number: 8933243
Digital Object Identifier: 10.1109/TIE.2006.874269
Current Version Published: 2006-05-30
Abstract
In a doubly salient permanent-magnet (DSPM) motor drive, it is difficult to get satisfied control characteristics by using a normal linear proportional plus integral (PI) controller due to the high nonlinearity between speed and current or torque. Hence, a new self-tuning fuzzy PI controller with conditional integral, which is performed by a single-chip N87C196KD, is proposed. The initial parameters of the controller are optimized by using genetic arithmetic. Simulation and experiments on the newly proposed 8/6-pole DSPM machine have shown that the proposed new self-tuning fuzzy PI controller offers better adaptability than the normal linear PI control and that the developed motor drive offers better steady-state and dynamic performances.
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