Bernard de FORNEL: Professor, Engineer and doctor in Sciences in the school ingeneering ENSEEIHT in Toulouse, he was specialised in the variable speed drives of the electrical machines in his teaching, his research. He managed several industrial contracts with some aeronautic al and railway industries. More 150 papers are published in reviews and conferences. He was director of about 50 doctorat thesis.
Jean-Paul LOUIS: Engineer, PHD, is currently professor emeritus at Ecole normale supérieure de Cachan (France). Teachings and researches concern modelling and control of electrical systems.