1. Method of flux control in induction motors driven by variable frequency, variable voltage supplies;Abbondanti,1971
2. A bilinear observer of the state of the induction machine;Bellini;Ricerche di Automatica,1978
3. A field-oriented adaptive control of induction motors useful to reduce the effects of the parameters' variations and the measurement errors;Bellini,1984
4. An approach to induction machines by means of the bilinear system theory;Bellini,1978
5. Realization of a bilinear observer of the induction machine;Bellini,1979