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Stability of gain scheduling control for aircraft with highly nonlinear behavior
(Hindawi Publishing Corporation, 2014)
Exergy and thermoeconomic analysis of a turbofan engine during a typical commercial flight
(PERGAMON-ELSEVIER SCIENCE LTD, 2010)
In an energy perspective of cost-reduction and configuration-optimization, it becomes necessary to develop and use advanced tools for the analysis, design and improvement of energy conversion systems. In the aeronautical ...
Considerations about the welding repair effects on the structural integrity of an airframe critical to the flight-safety
(Elsevier B.V., 2010-01-01)
Structures critical to the flight-safety are commonly submitted to several maintenance repairs at the welded joints in order to prolong the in-service life of aircrafts. The aim of this study is to analyze the effects of ...
Robust control to parametric uncertainties in smart structures using linear matrix inequalities
(2004-10-01)
The study of algorithms for active vibrations control in flexible structures became an area of enormous interest, mainly due to the countless demands of an optimal performance of mechanical systems as aircraft and aerospace ...
A Review of Welding Technologies for Thermoplastic Composites in Aerospace Applications
(Departamento de Ciência e Tecnologia Aeroespacial, 2012)
Reinforced thermoplastic structural detail parts and assemblies are being developed to be included in current aeronautic programs. Thermoplastic composite technology intends to achieve improved properties and low cost ...
An approach to aircraft seat comfort using interface pressure mapping
(IOS PressAmsterdam, 2012)
The objective of the present study is to propose a method to dynamically evaluate discomfort of a passenger seat by measuring the interface pressure between the occupant and the seat during the performance of the most ...
A metallurgical study of aluminium alloys used as aircraft components
(Carl Hanser Verlag, 2001-02-01)
The effects of heat treatment on morphologies and microstructures of Al 2024 and Al 7050 alloys, used as aircraft components, were studied by metallographic techniques. Light microscopy (LM) and quantitative image analysis ...
Accidents involving specialized aircraft in agriculture aerial spraying
(Univ Federal Santa Maria, 2017-01-01)
The great challenge for the practice of agricultural aviation has been to avoid accidents. Although, there are technological progress and high resources for safety, accidents continue to occur. The objective of this research ...
Accuracy of points of cartographic projection of orthophotos obtained with remotely piloted aircraft (RPA)
(Univ Federal Espirito Santo, 2022-01-01)
This study evaluated three orthophotos, generated from aerial surveys configured at 80 m, 100 m and 120 m in height with multirotor RPA, model Phantom 4 Pro from the company DJI coupled to Complementary Metal Oxide ...
SVET, SKP and EIS study of the corrosion behaviour of high strength Al and Al-Li alloys used in aircraft fabrication
(Elsevier B.V., 2014-07-01)
The 2XXX and 7XXX series aluminium alloys are commonly used in aircraft applications where high strength-to-weight ratios are required. The present study aims to compare the corrosion resistance of two novel alloys developed ...