The Hopf Bifurcations in the Permanent Magnet Synchronous Motors. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 3, n. 2, p. 179–191, 2024. DOI: 10.12150/jnma.2021.179. Disponível em: https://global-sci.com/index.php/jnma/article/view/13593. Acesso em: 5 dec. 2025.