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This paper presents the experimental validation of an efficient position control scheme, based on the speed smooth VSC (Variable Structure Control) algorithm with an adaptive gain for the indirect vector control of the induction motor. The position loop is regulated with a Proportional controller and the speed loop incorporates a smooth and adaptive VSC regulator, while in the current loops incorporates...
In this article, we propose a two stage control design scheme for simultaneous flux regulation and angular position reference trajectory tracking in induction motors. The first outer loop design stage uses a linear GPI observer based robust control, aimed at on-line load torque estimation, thus making possible its cancellation from the controller. The stator currents act as auxiliary control input...
Based on battery VSI and the model of indirect rotor field orientation control of induction motor, a new speed compensation algorithm offsets the stator voltage loss at low speed, which is produced by a PI regulator resulting from the electromagnetic torque feedback. There is only one PI regulator in the new IRFOC system less than the traditional double PI regulator system, which has good torque control...
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