نتایج جستجو برای: unmanned aircraft systems
تعداد نتایج: 1214189 فیلتر نتایج به سال:
A = area of an image b = wingspan CD0 = zero-lift drag coefficient E = energy for physical system e0 = Oswald efficiency factor f = focal length of camera H = entropy cost Hdist = horizontal distance of imaging plane Jp = cost function for physical system K = aerodynamic parameter k = execution cycle of task τ L = Lagrangian of constrained cost function m = mass of aircraft P v = power as a fun...
The avionics systems for two small unmanned aerial vehicles (UAVs) are considered from the point of view of hardware selection, navigation and control algorithm design, and software development. Some common challenges for many small UAV systems are addressed, including gust disturbance rejection at low speeds, control power, and systems integration. A rapid prototyping simulation framework whic...
Nowadays unmanned aircrafts are widely available at a reasonable price for civilians. This change in the market raises cybersecurity related concerns. In this paper we arefocusing on three aspects of challenges: data protection element, cyberattack element and general concerns over drones from Asian market. The first is extremely important when it comes to ethical rightful drone use. A fitted w...
Unmanned aircraft will equip with a detect-and-avoid (DAA) system that enables them to comply with the requirement to "see and avoid" other aircraft, an important layer in the overall set of procedural, strategic and tactical separation methods designed to prevent mid-air collisions. Regulators will establish minimum operating standards for DAA effectiveness, but different combinations of algor...
In April 2006, an Unmanned Aerial Vehicle crashed near Nogales, Arizona. This incident is of interest because it triggered one of the most sustained studies into the causes of failure involving such a vehicle. The National Transportation Safety Board together with the US Customs and Border Protection agency under the Department of Homeland Security worked to identify lessons learned from this m...
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