Ripple reduction in DC line of a PWM drive by direct reinjection. - Francisco Pérez-Hidalgo; Juan Ramón Heredia-Larrubia; José Luis Durán Paz (IEEE Trans. Ind. Electron., 2000)

Sensorless control of induction motors by artificial neural networks. - Juan Ramón Heredia-Larrubia; Francisco Pérez-Hidalgo; José Luis Durán Paz (IEEE Trans. Ind. Electron., 2001)