In the last three decades, different vector control methods [field-oriented
control (FOC), field acceleration method (FAM), universal field orientatio
n (UFO), direct self control (DSC) and Takahashi method among others) have
been proposed. It is difficult for students and nonspecialists to understan
d the drawbacks and advantages of each one. With this in mind, the objectiv
e. of this paper is to propose a clear classification and comparison of the
m.