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A model reference adaptive system (MRAS) based speed estimator for sensorless induction motor (IM) drive is proposed in this paper. The MRAS is formed with flux rotor and the estimated stator current vector. The reference model utilizes measured current vector. On the other hand, the adjustable model uses the estimated stator current vector. The current is estimated through the solution of machine...
Objective: To demonstrate an asymmetry of the internal jugular veins, a finding which will have consequences for catheterization. Design: Prospective study. Setting: The medical ICU of a university-affiliated teaching hospital. Patients: Eighty critically ill consecutive patients. Intervention: Measurement of the cross-sectional area of the internal jugular veins. Search for an asymmetry,...
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