نتایج جستجو برای: unmanned aircraft systems

تعداد نتایج: 1214189  

Journal: :International Journal of Aviation, Aeronautics, and Aerospace 2016

Journal: :Journal of Intelligent and Robotic Systems 2014
Daniele Sartori Fulvia Quagliotti Matthew J. Rutherford Kimon P. Valavanis

The ability of backstepping controllers to deal with nonlinearities make this technique a suitable candidate for the control of small fixed-wing Unmanned Aerial Vehicles (UAVs). The authors have already proposed a comprehensive approach combining backstepping with PID controllers for simultaneous longitudinal and latero-directional control of fixed-wing UAVs, achieving good performance even wit...

2011
P. ROYO E. PASTOR M. SOLÉ J. M. LEMA J. LÓPEZ C. BARRADO

The use of Unmanned Aircraft System (UAS) in remote sensing works is becoming a reality. In forest fire scenarios we propose the use of UAS for semi-real-time hot spot detection. In this paper we present Sky-Eye, a rotorcraft prototype designed to provide significant advantages in terms of flexibility, precision, cost, and safety. Sky-Eye is specifically designed for Mediterranean forest fires,...

Journal: :Journal of physics 2022

Abstract According to the characteristics of unmanned aircraft systems (UASs) with multi-rotors, this paper realizes reliability evaluation. Referring relevant standards and specifications for evaluation electronic products communication products, methods sampling, test plan, conditions index related are proposed. Based on exponential distribution, its calculation method put forward, non-failur...

Journal: :Journal of aerospace information systems 2022

Low-altitude urban flight planning for small unmanned aircraft systems (UASs) accurate vehicle kinodynamics, environment maps, and risk models to assure that plans consider the landscape as well airspace constraints. This paper presents a suite of motion metrics designed UAS defines map-based path-based holistically characterize plan quality. Proposed are examined in context representative geom...

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