DocumentCode :
3138726
Title :
Sliding mode observer for mono-inverter bi-motors railway traction system
Author :
Ben Mabrouk, Wiem ; Belhadj, Jamel ; Pietrzak-david, Maria
Author_Institution :
ENIT-L.S.E., Univ. of Tunis, El Manar, Tunis le Belvédère, Tunisia
fYear :
2011
fDate :
22-25 March 2011
Firstpage :
1
Lastpage :
6
Abstract :
The aim of this work is to study sliding mode observer applied to mono-inverter bi-motors system for railway traction application. Studied system composed of two induction motors (IM) fed by one voltage source inverter (VSI) which controlled by Mean Rotor Field Oriented Control (MRFOC). Both IM are coupled through common loads which complicate this study and introduce perturbations of all system; this mechanical coupling was modelled and integrated on the traction system. The MRFOC needs reconstitution of mean rotor flux that can be obtained by one observer through the average of both motor currents and speeds. Also, we can apply two observers, one of each IM, and the mean rotor flux observed is obtained by the average of both rotor fluxes observed. These observers are based on sliding mode method. Some simulations are offered to compare two observer strategies in normal and distributed functioning.
Keywords :
induction motors; invertors; machine vector control; observers; railways; rotors; traction; variable structure systems; induction motors; mean rotor field oriented control; mean rotor flux; mechanical coupling; mono-inverter bi-motors railway traction system; sliding mode observer; voltage source inverter; Couplings; Induction motors; Observers; Rail transportation; Rotors; Traction motors; Wheels;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Systems, Signals and Devices (SSD), 2011 8th International Multi-Conference on
Conference_Location :
Sousse
Print_ISBN :
978-1-4577-0413-0
Type :
conf
DOI :
10.1109/SSD.2011.5767421
Filename :
5767421
Link To Document :
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