Year: 2021
Author: Bo Sang
Journal of Nonlinear Modeling and Analysis, Vol. 3 (2021), Iss. 2 : pp. 179–191
Abstract
Based on the focus quantities and other techniques, the stability properties of equilibria and the limit cycles arising from Hopf bifurcations are investigated for two models of permanent magnet synchronous motors. The first model is of surface-magnet type and can have at most two unstable small limit cycles, which are symmetric with respect to $x$-axis. The other model is of interior-magnet type and can have at most four small limit cycles in two symmetric nests.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.12150/jnma.2021.179
Journal of Nonlinear Modeling and Analysis, Vol. 3 (2021), Iss. 2 : pp. 179–191
Published online: 2021-01
AMS Subject Headings:
Copyright: COPYRIGHT: © Global Science Press
Pages: 13
Keywords: Focus quantity Limit cycle Hopf bifurcation.