نتایج جستجو برای: aircraft semi

تعداد نتایج: 166893  

2013
Coumba Diallo Babacar Mbaye Ndiaye Diaraf Seck

This paper presents a short contribution in air transportation, specifically in scheduling aircraft (plane) landings at Léopol Sédar Senghor (LSS) airport of Dakar. The safety of air navigation of LSS is managed by ASECNA: Agency for Air Navigation Safety in Africa and Madagascar. Scheduling aircraft landing is the problem of deciding a landing time on an appropriate runway for each aircraft in...

2013
Eduardo Sepúlveda Palacios Marcus Johnson

This paper presents hybrid integration between aerodynamic, airline procedures and other BADA-based (Base of Aircraft Data) coefficients with a classical aircraft dynamic model. This paper also describes a three-dimensional guidance algorithm implemented in order to produce commands for the aircraft to follow a flight plan. The software chosen for this work is MATLAB. Key words— UAS, aircraft, ...

2011
Maliheh Aramon Bajestani Christopher Beck

We study a dynamic repair shop scheduling problem in the context of military aircraft fleet management. A number of flights, each with a requirement for a specific number and type of aircraft, are already scheduled over a long horizon. The overall scheduling horizon is considered to be composed of multiple time periods. The goal is to maintain a full complement of aircraft. We need to assign ai...

2013
John A. Schaefer

Aerodynamicists and biologists have long recognized the benefits of formation flight. When birds or aircraft fly in the upwash region of the vortex generated by leaders in a formation, induced drag is reduced for the trail bird or aircraft, and efficiency improves. The major consequence of this is that fuel consumption can be greatly reduced. When two aircraft are separated by a large enough lo...

2006
Zhang Wei Song Bifeng Dong Junhong ZHANG WEI SONG BIFENG DONG JUNHONG

This paper has maintained review and conclusion work upon the research and state of development of Man-Machine-Environment System Engineering (MMESE) technology applied in the aircraft design domain of China. The research development discussed involves: Preliminary design of MMESE of aircraft, environment control and Life-support system design of aircraft, and, the environment simulate of aircr...

Journal: :European Journal of Operational Research 2015
Alexander Lieder Dirk Briskorn Raik Stolletz

The capacity of a runway system represents a bottleneck at many international airports. The current practice at airports is to land approaching aircraft on a first-come, first-served basis. An active rescheduling of aircraft landing times increases runway capacity or reduces delays. The problem of finding an optimal schedule for aircraft landings is referred to as the “aircraft landing problem”...

2010
Dirk Schreckenberg Markus Meis Cara Kahl Christin Peschel Thomas Eikmann

In a survey of 2,312 residents living near Frankfurt Airport aircraft noise annoyance and disturbances as well as environmental (EQoL) and health-related quality of life (HQoL) were assessed and compared with data on exposure due to aircraft, road traffic, and railway noise. Results indicate higher noise annoyance than predicted from general exposure-response curves. Beside aircraft sound level...

2005
Mayuresh J. Patil Dewey H. Hodges

The paper presents a theory for flight dynamic analysis of highly flexible flying wing configurations. The analysis takes into account large aircraft motion coupled with geometrically nonlinear structural deformation subject only to a restriction to small strain. A large motion aerodynamic loads model is integrated into the analysis. The analysis can be used for complete aircraft analysis inclu...

2011
R. P. Henderson

Consideration of the environmental impact of aircraft has become critical in commercial aviation. The continued growth of air traffic has caused increasing demands to reduce aircraft emissions, imposing new constraints on the design and development of future airplane concepts. In this paper, an aircraft design optimisation framework is used to design aircraft that minimise specific environmenta...

2006
James Allison Brian Roth Michael Kokkolaras Ilan Kroo Panos Y. Papalambros

This paper explores the use of decomposition-based methods for aircraft family design. The traditional approach in multidisciplinary design optimization is to decompose a problem along disciplinary lines. For aircraft family design problems, a more natural approach is decomposition by individual aircraft. This decomposition facilitates the concurrent development of several aircraft variants, pr...

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