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Low speed sensorless variable structure control of induction motor

Jezernik, Karel and Edelbaher, Gregor and Şabanoviç, Asif (2005) Low speed sensorless variable structure control of induction motor. In: 16th IFAC World Congress, Prague, Czech Republic

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Abstract

Torque and speed sensorless induction motor control is presented in this paper. The idea is realized using a sliding mode closed loop rotor flux observer for estimation of electromotive force of machine. This signal is then used in nonlinear stator flux and torque control of induction motor and in rotor flux observer for speed and flux estimation. The analysis of the proposed method is included. Proposed control scheme was implemented on DSP system extended with FPGA where PWM procedure with dead time compensation was realized. Experimental results demonstrated high efficiency of the proposed estimation and control method.

Item Type:Papers in Conference Proceedings
Uncontrolled Keywords:induction motors, control systems, torque control, sliding mode control
Subjects:T Technology > TJ Mechanical engineering and machinery
ID Code:1496
Deposited By:Asif Şabanoviç
Deposited On:08 Oct 2005 03:00
Last Modified:07 Nov 2007 16:48

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