Alexandru-Razvan Luzi

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This paper studies time-varying structures for satellite attitude control systems. The considered satellites are from the Myriade family developed by the French Space Agency (CNES). Analysis of the existing control law and control requirements show that model reference control is suitable provided that the reference model is time-varying. A model reference(More)
OBJECTIVE To verify the efficacy and absence of risk attributable to therapy with alkaline solutions for correction of lactic acidosis and to demonstrate the usefulness of L-carnitine in converting lactate into pyruvate in conditions of good blood oxygenation. DESIGN Prospective study on a consecutive series of patients subdivided into three groups(More)
The authors applied a mathematical model of evaluation of operative risk to a group of patients undergoing general and obstetric-gynecologic surgery. They verified that all risk factors identified by this mathematical model really influenced operative morbidity and mortality in the present study too. In this univariate analysis, anesthetic technique was(More)
The Authors have controlled the validity of VQI to quantify pulmonary shunt (Qs/Qt). The survey involved (group A) patients who had undergone major surgery and (group B) patients hospitalized in ICU for cardiorespiratory failure. Four subgroups were identified in both the groups according to different values of SaO2. A good correlation, already described by(More)
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