Modeling of Flight Time Uncertainty in 4D Trajectory Management

2017 ◽  
Vol 65 (3) ◽  
pp. 130-134
Author(s):  
Akihiro MOTODANI ◽  
Noboru TAKEICHI
Keyword(s):  
Flight Time ◽  
Time Uncertainty

Development of a Flight Time Uncertainty Model for Four-Dimensional Trajectory Management

2020 ◽  
Vol 28 (3) ◽  
pp. 134-143
Author(s):  
Noboru Takeichi ◽  
Taiki Yamada ◽  
Atsushi Senoguchi ◽  
Tadashi Koga
Keyword(s):  
Flight Time ◽  
Time Uncertainty ◽  
Uncertainty Model

Using Ansys for Design and Numerical Study of a Specific Fixed Wing UAV

2018 ◽  
Vol 55 (4) ◽  
pp. 652-657 ◽  
Author(s):  
Gabriel Murariu ◽  
Razvan Adrian Mahu ◽  
Adrian Gabriel Murariu ◽  
Mihai Daniel Dragu ◽  
Lucian P. Georgescu ◽  
...  
Keyword(s):  
Numerical Simulations ◽  
Unmanned Aerial Vehicle ◽  
Numerical Study ◽  
Flight Time ◽  
Cluster System ◽  
Numerical Results ◽  
Operational Performance ◽  
Gliding Flight ◽  
Aerial Vehicle ◽  
Constant Altitude

This article presents the design of a specific unmanned aerial vehicle UAV prototype own building. Our UAV is a flying wing type and is able to take off with a little boost. This system happily combines some major advantages taken from planes namely the ability to fly horizontal, at a constant altitude and of course, the great advantage of a long flight-time. The aerodynamic models presented in this paper are optimized to improve the operational performance of this aerial vehicle, especially in terms of stability and the possibility of a long gliding flight-time. Both aspects are very important for the increasing of the goals� efficiency and for the getting work jobs. The presented simulations were obtained using ANSYS 13 installed on our university� cluster system. In a next step the numerical results will be compared with those during experimental flights. This paper presents the main results obtained from numerical simulations and the obtained magnitudes of the main flight coefficients.

Many Task Computing for Real-Time Uncertainty Prediction and Data Assimilation in the Ocean

2010 ◽  
Author(s):  
Constantinos Evangelinos ◽  
Pierre F. Lermusiaux ◽  
Jinshan Xu ◽  
Jr Haley ◽  
Hill Patrick J. ◽  
...  
Keyword(s):  
Data Assimilation ◽  
Real Time ◽  
Uncertainty Prediction ◽  
Time Uncertainty
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