In a vector control apparatus for an induction motor, a divider (13) is provided which receives an exciting instruction .lambda..sub.2d */M* from a secondary magnetic flux instruction amplifier (1.sub.1) which outputs .lambda..sub.2d */M* according to an angular frequency .omega..sub.r derived from a...http://www.google.fr/patents/US5341081?utm_source=gb-gplus-shareBrevet US5341081 - Vector control apparatus for induction motor
