نتایج جستجو برای: flight path

تعداد نتایج: 183151  

2012
Wesam H. Al-Sabban Luis F. Gonzalez Ryan N. Smith Gordon F. Wyeth

Exploiting wind-energy is one possible way to extend flight duration for Unmanned Arial Vehicles. Wind-energy can also be used to minimise energy consumption for a planned path. In this paper, we consider uncertain time-varying wind fields and plan a path through them. A Gaussian distribution is used to determine uncertainty in the Time-varying wind fields. We use Markov Decision Process to pla...

2013
Kamran Safi Bart Kranstauber Rolf Weinzierl Larry Griffin Eileen C Rees David Cabot Sebastian Cruz Carolina Proaño John Y Takekawa Scott H Newman Jonas Waldenström Daniel Bengtsson Roland Kays Martin Wikelski Gil Bohrer

BACKGROUND Understanding how environmental conditions, especially wind, influence birds' flight speeds is a prerequisite for understanding many important aspects of bird flight, including optimal migration strategies, navigation, and compensation for wind drift. Recent developments in tracking technology and the increased availability of data on large-scale weather patterns have made it possibl...

Journal: :مکانیک سیالات و آیرودینامیک 0
حسن ملکی قاسم حیدری نژاد فتح ا... امی

one of the most common methods for controlling and increasing maneuverability of projectiles, especially the ones which move at high altitude and in low density air, is using lateral or reaction jets. the resultant force of the reaction jet is related to the jet and flow parameters. for finding their relation experimental, numerical, and analytical methods have been used. in order to change the...

Journal: :IEEE Transactions on Automatic Control 2007

2011
Emre Koyuncu Sertac Karaman Emilio Frazzoli Gokhan Inalhan

EXTENDED ABSTRACT In this work, we present a real-time 4D conflict detection and conflict avoidance algorithm in enroute traffic. The algorithm is based on identifying potential conflicts and generating flight patterns across the flight envelope of an aircraft using probabilistic search strategy. Generating flyable trajectories in air congestion and in face of obstacles such as natural objects,...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 2014

Journal: :Problems of Mechatronics Armament Aviation Safety Engineering 2018

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