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Title: Indirect rotor field orientation vector control for induction motors without voltage and current sensors
Authors: Wang, ZS
Ho, SL 
Cheng, EKW 
Issue Date: 2004
Source: WSEAS transactions on circuits and systems, 2004, v. 3, no. 9, p. 2068-2072
Abstract: This paper presents a vector-controlled implementation strategy that can be realized in the absence of voltage and current sensors. It is proposed that, in order to decouple the torque and flux in the determination of the three-phase voltage reference commands, both stator and rotor currents in the stationary and rotating frames can be derived from the corresponding rotor flux-oriented vector control requirements and motor dynamic equations. A sensitivity analysis to study the effect of parameter deviation or mismatch is also investigated. Simulation results are presented to demonstrate the feasibility and performance of the proposed methodology.
Keywords: Vector control
Induction motor control
Publisher: WSEAS Press
Journal: WSEAS transactions on circuits and systems 
ISSN: 1109-2734
EISSN: 2224-266X
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