Determining the optimum topology of composites by the flexural stiffness criterion

An important stage in designing of pieces made of composite materials consists of establishing the composite topology in such a way that it has certain properties needed in exploitation. The paper presents the mathematic...

[i]Hinfinity control synthesis with antisaturation compensator [/i]

In the paper a technique for dealing with the saturation of an [i]H[sub]infinite[/sub][/i] control is proposed. This is a two-step method which extends the approach considered by the author in some recent works and cons...

Fluid Dynamics in Turbulent Regime (Dinamica Fluidelor in regim Turbulent) by Virgiliu N. CONSTANTINESCU, Sterian DANAILA, Stelian GALETUSE (in Romanian) Publishing House of the Romanian Academy, 2008

Hover flight control of helicopter using optimal control theory

This paper represents the optimal control theory and its application to the full scale helicopters. Generally the control of a helicopter is a hard task, because its system is very nonlinear, coupled and sensitive to the...

Overview regarding the certification of a new military jet aircraft for school and training

The requirements for designing a new Romanian school and training military jet, IAR 99 NG, are in line with the EMAR - European Military Airworthiness Requirement. The Approval Regulation for the new school and training...