Discrete-time Optimal Controller for the Stator Field Oriented Induction Motor Drives

In this paper we introduce a new discrete-time vector control scheme for the induction motor (IM) drives. The scheme is based on the optimal control theory with preview. The control system achieves rotor speed control and stator field orientation control via an optimized voltage command. The synthes...

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Bibliographic Details
Main Authors: Ebrahim, O.S., Jain, P.K., Nishith, G.
Format: Conference Proceeding
Language:English
Subjects:
Control systems
digital optimal control
Induction motor drives
Induction motors
Machine vector control
Optimal control
Position control
Preview Control Induction motor
Rotors
Stators
SVPWM
Vector control
Velocity control
Voltage control
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Description
Summary:In this paper we introduce a new discrete-time vector control scheme for the induction motor (IM) drives. The scheme is based on the optimal control theory with preview. The control system achieves rotor speed control and stator field orientation control via an optimized voltage command. The synthesized controller has good tracking capability and can cure the adverse phenomena caused by parameters variations and modeling mismatch. Furthermore, the preview feedforward control principle is utilized to improve the transient response of the controlled drive. A laboratory prototype has been built to verify the proposed control strategy.
ISSN:1553-572X
DOI:10.1109/IECON.2007.4459926