Um novo estimador de indutância baseados em polinômios de Lagrange para controle em tempo real da máquina a relutância variável

Autores

DOI:

https://doi.org/10.33448/rsd-v11i5.28358

Palavras-chave:

Máquina de relutância comutada; Estimador de indutância; Splines cúbicos; Polinômios de Lagrange.

Resumo

Este artigo apresenta uma nova metodologia para modelagem de curvas de indutância de máquinas de relutância chaveada usando splines cúbicos baseados em polinômios da forma de Lagrange. A metodologia proposta permite estimar a indutância instantânea e derivada da indutância em cada fase da máquina. Todas as etapas da metodologia proposta são apresentadas e discutidas, detalhando as informações necessárias para sua utilização. Os resultados de uma simulação experimental e computacional, tanto como motor quanto como gerador, são apresentados e discutidos, e as curvas estimadas são comparadas com as curvas de projeto de cada resultado. O estimador de indutância foi embarcado em um DSP de baixo custo, e a máquina foi acionada usando uma bancada experimental. Os resultados experimentais são apresentados e comparados com os resultados da simulação, permitindo avaliar o nível de precisão obtido pelo estimador proposto. O estimador combina precisão com baixo custo computacional, o que torna este método um forte candidato para sistemas que requerem estimativa de parâmetros da máquina em tempo real, como torque e fluxo, permitindo a implementação de novas técnicas de controle.

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Publicado

08/04/2022

Como Citar

FIDELIS, R. T.; FARIA, V. H. da C. .; FILHO, M. J. de M.; VIAJANTE, G. P.; NERY, E. C.; SILVEIRA, A. W. F. V. da .; GOMES, L. C. Um novo estimador de indutância baseados em polinômios de Lagrange para controle em tempo real da máquina a relutância variável. Research, Society and Development, [S. l.], v. 11, n. 5, p. e30911528358, 2022. DOI: 10.33448/rsd-v11i5.28358. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/28358. Acesso em: 2 jul. 2024.

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Seção

Engenharias