The purpose of this treatise is to estimate speed of an induction motor and realize a robust speed control system with estimated speed in field-weakening region. A speed estimation is based on Model Reference Adaptive System(MRAS) technique and two fl...
The purpose of this treatise is to estimate speed of an induction motor and realize a robust speed control system with estimated speed in field-weakening region. A speed estimation is based on Model Reference Adaptive System(MRAS) technique and two flux estimator are designed to be robust against parameter variation.<br/>
The MRAS-based overall conrol scheme has been implemented on 7.5kW Spindle induction motor control system. And .t is verified that the proposed control scheme is very stable and robust in field-weakening region: