Controle Baseado Em Um LQR Com Estabilidade Robusta À Incerteza Paramétrica Aplicado A Um Carregador De Baterias
DOI:
https://doi.org/10.18618/REP.2017.4.2713Keywords:
Carregador de Baterias, Estabilidade Robusta, Incerteza Paramétrica, Regulador Quadrático Linear, Retroação de EstadosAbstract
Este artigo propõe um controlador robusto para um carregador de baterias de uma fonte ininterrupta de energia considerando a incerteza paramétrica da resistência interna da bateria. O modelo dinâmico do carregador de baterias é obtido pela abordagem de espaço de estados, possibilitando a utilização de uma estratégia de controle por retroação de estados. O projeto do controlador a partir de um regulador quadrático linear proporciona um desempenho ótimo para o sistema. A estabilidade robusta com incertezas paramétricas é provada por meio de desigualdades matriciais lineares. A viabilidade prática dos controladores é confirmada com resultados obtidos em hardware-in-the-loop Typhoon HIL402.
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