%0 Journal Article %T Hardware Implementation of Vector Control of Induction Motor Drive without Speed Encoder Using an Adaptive Luenberger Based MRAS Observer %A Karim NEGADI %A Abdellah MANSOURI %A Rabeh KOUREK %J Leonardo Electronic Journal of Practices and Technologies %D 2012 %I AcademicDirect %X Vector control of induction motor drives without mechanical speed sensors has the attraction of low cost and high reliability. An adaptive Luenberger style stator flux observers is presented. Therefore, this paper presents a theory of adaptive Luenberger observers and his capability to compensate for stator voltage errors and usefully in electrical drivers systems without sensorless. %K Sensorless control %K Induction motor drives %K Adaptive Luenberger observers %K Vector control %U http://lejpt.academicdirect.org/A20/099_114.pdf