Robust Induction Motor Control Using Polytopic Models
摘要
The purpose of this research is to improve the performance of sensorless induction (MI) machine control by employing the Linear Parameter Varying (LPV) technique. The improvement is based on the use of LPV system theory and quadratic stability to ensure stability and reliability when parameter changes occur. The control structure is composed by two loops, the first one controls the stator current and the second is concerned by the rotor speed control. Also, MRAS technique is adopted to ensure the online estimation of the rotor speed. The simulations results show outstanding performance across the whole working range.