Integral-sliding mode as a new method to control the industrial drives

Industrial drive systems are difficult to control efficiently, because of the nonlinear transfer function and the extremely fast response of their feeding power electronic converters. In view of this, the authors present a novel algorithm which takes advantage of the minimal prototype concept (fast response) and variable-structure and sliding-system concepts. This algorithm synthesizes two regulators: minimal response sliding (MRS) and minimal response integral sliding (MRIS). Both of these regulators rescind an error in minimal time. However, the first regulator allows an error which is cancelled by the second one.<>