A Speed Controller for a Two-Winding Induction Motor Based on Diametrical Inversion. - Manuel Guerreiro; Daniel Foito; Armando Cordeiro (IEEE Trans. Ind. Electron., 2010)

Dynamic voltage restorer using a multilevel converter with a novel cell structure. - V. Fernão Pires; Manuel Guerreiro; J. Fernando A. da Silva (EUROCON, 2011)