Results 21 to 30 of about 62,052 (226)
Prognostics for Autonomous Electric-Propulsion Aircraft
International Journal of Prognostics and Health Management, 2021 An autonomous unmanned aerial system (UAS) needs, during the flight, accurate information about the current failure state of the aircraft and its capabilities in order to safely perform its mission and properly react to contingencies.
Johann Schumann +5 more
doaj +1 more source
Remotely piloted aircraft systems and a wireless sensors network for radiological accidents [PDF]
, 2016 In critical radiological situations, the real time information that we could get from the disaster area becomes of great importance. However, communication systems could be affected after a radiological accident.
Barrado Muxí, Cristina +4 more
core +2 more sources
ATC Human Factors Involved in RPAS Contingency Management in Non-Segregated Airspace
Applied Sciences, 2023 Objectives: The overall approach towards Remotely Piloted Aerial System integration into a non-segregated airspace is that the unmanned vehicles should be able to fit into the current air traffic management system, thus meeting all the technical and ...
Angelica Reyes-Muñoz +3 more
doaj +1 more source
On the trade-off between electrical power consumption and flight performance in fixed-wing UAV autopilots [PDF]
, 2016 This paper sets out a study of the autopilot design for fixed wing Unmanned Aerial Vehicles (UAVs) taking into account the aircraft stability, as well as the power consumption as a function of the selected control strategy.
Bertran Albertí, Eduardo +1 more
core +2 more sources
Unmanned Free Balloon Flight’s Integration into Unmanned Aircraft System Traffic Management
Acta Technica Jaurinensis, 2019 This paper describes and inspects unmanned aerial vehicle, unmanned aircraft system, unmanned aircraft system traffic management, light and medium unmanned free balloons.
Norbert Hegyi, János Jósvai
doaj +1 more source
IEEE Access, 2020 The main goal of this research is to evaluate the Air Traffic Controller (ATCo) workload considering the Unmanned Aircraft System (UAS) integration into the National Airspace System (NAS) through fast-time simulations, and including futuristic scenarios ...
Derick Moreira Baum +4 more
doaj +1 more source
Unmanned Aerial Vehicles (UAVs) in environmental biology: A Review [PDF]
, 2018 Acquiring information about the environment is a key step during each study in the field of environmental biology at different levels, from an individual species to community and biome.
Bogawski, Pawel +2 more
core +2 more sources
Adaptive Path Guidance Law for a Small Fixed-Wing UAS with Bounded Bank Angle
DronesThis study deals with the path-following guidance of a fixed-wing unmanned aerial system (UAS) in conjunction with parameter adaptation. Utilizing a backstepping control design approach, a path-following control algorithm is formulated for the roll ...
Suhyeon Kim, Dongwon Jung
doaj +1 more source
Energy Consumption Optimization in Trajectory Planning for Fuel Cell Hybrid Uavs Based On HMPC
Advanced Robotics Research, EarlyView.The endurance limitation of multirotor drones is a critical challenge. This study adopts a hybrid power system of fuel cells and lithium‐ion batteries. Using Nondominated Sorting Genetic Algorithm II, it integrates trajectory planning with energy management optimization.
Xindi Wang +7 more
wiley +1 more source
The Hidden Human Factors in Unmanned Aerial Vehicles [PDF]
, 2008 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.
Johnson, C.W.
core