Speed-sensorless direct torque control system using Bi-input extended Kalman filter for induction motors

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Tarih

2011

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Yayıncı

IEEE Computer Society

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In this study, a speed-sensorless direct torque control (DTC) system using bi input-extended Kalman filter (BI-EKF) is designed to perform the high performance velocity control of induction motors (IMs). The BI-EKF algorithm estimates stator stationary axis components of the stator fluxes, ?sa and ?sß, the rotor angular velocity, ?m, the rotor resistance, R'r, the stator resistance, Rs, the load torque involving the viscous friction term, tL, and the reciprocal total inertia of the IM and load, ?? = 1/jT, as well as stator stationary axis components of stator currents, is? and isß, which are also measured as output. The simulation results prove very satisfying performances of the BI-EKF algorithm and therefore the speed-sensorless DTC system. © 2011 IEEE.

Açıklama

2011 International Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2011 and Electromotion 2011 Joint Conference -- 8 September 2011 through 10 September 2011 -- Istanbul -- 96618

Anahtar Kelimeler

Induction motors, Sensorless control, Stators, Torque control, Load torques, Rotor resistances, Speed-sensor less, Stator currents, Stator flux, Stator resistance, Viscous friction, Extended Kalman filters

Kaynak

International Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2011 and Electromotion 2011 Joint Conference

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