A method of controlling the torque of a rotary machine powered by means of an inverter and servo-controlled by a system having sensors, an observer, and a computer which delivers controls to the switches of the inverter on the basis of values supplied to the observer by the sensors, in the form of sequences...http://www.google.es/patents/US6198248?utm_source=gb-gplus-sharePatente US6198248 - Method of controlling a rotary electrical machine, a servo-control system for implementing the method, and a rotary machine fitted with such a system
Method of controlling a rotary electrical machine, a servo-control system ...
