Results 11 to 20 of about 62,052 (226)

Integration and Flight Test of a 7 kW Turboelectric Vertical Take-Off and Landing Unmanned Aircraft

open access: yesApplied Sciences, 2022
This paper evaluates the performance and practical challenges associated with fabricating and flight testing an unmanned aircraft powered by a turboelectric system based on a 7 kW turbine engine.
Joshua Johnsen   +4 more
doaj   +1 more source

Adaptive and Online Health Monitoring System for Autonomous Aircraft [PDF]

open access: yes, 2012
Good situation awareness is one of the key attributes required to maintain safe flight, especially for an Unmanned Aerial System (UAS). Good situation awareness can be achieved by incorporating an Adaptive Health Monitoring System (AHMS) to the aircraft.
Howe, Joe M.   +3 more
core   +1 more source

Identification, Categorisation and Gaps of Safety Indicators for U-Space

open access: yesEnergies, 2020
Many civilian applications of commercial unmanned aircraft are being planned to operate in the years ahead. Several countries have developed their own framework to design the operation of unmanned aircraft and the different services that demand safe ...
Javier Alberto Pérez-Castán   +4 more
doaj   +1 more source

Research on reliability modeling of unmanned aircraft system avionics systems based on 5G

open access: yesInternational Journal of Distributed Sensor Networks, 2019
With the development of technology, an unmanned aircraft system will play a significant role in Internet of things based on 5G. Avionics system is an important part of the unmanned aircraft system, and the reliability of the avionics system directly ...
Qiang Zhou, Yongan Wei, Longjiang Zhu
doaj   +1 more source

Positional Accuracy Assessment of Lidar Point Cloud from NAIP/3DEP Pilot Project

open access: yesRemote Sensing, 2020
The Leica Geosystems CountryMapper hybrid system has the potential to collect data that satisfy the U.S. Geological Survey (USGS) National Geospatial Program (NGP) and 3D Elevation Program (3DEP) and the U.S.
Minsu Kim   +8 more
doaj   +1 more source

ENSURING THE SAFETY OF A HETEROGENEOUS GROUP OF UNMANNED AIRCRAFT

open access: yesИзмерение, мониторинг, управление, контроль, 2021
Background. The object of the study is to ensure the safety of the flight of unmanned aircraft as part of a heterogeneous group in the emergency zone, designed for the localization and elimination of emergency situations.
V.V. Sherstnev
doaj   +1 more source

In-flight Lift and Drag Estimation of an Unmanned Propeller-Driven Aircraft

open access: yesAerospace, 2021
The high-power density and good scaling properties of electric motors enable new propulsion arrangements and aircraft configurations. This results in distributed propulsion systems allowing to make use of aerodynamic interaction effects between ...
Dominique Paul Bergmann   +5 more
doaj   +1 more source

STUDY ON SAFETY TECHNOLOGY SCHEME OF THE UNMANNED HELICOPTER [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Nowadays the unmanned helicopter is widely used for its' unique strongpoint, however, the high failure rate of unmanned helicopter seriously limits its further application and development.
Z. Lin   +4 more
doaj   +1 more source

Unmanned Aircraft System traffic management: Concept of operation and system architecture

open access: yesInternational Journal of Transportation Science and Technology, 2016
Within the past few years, civilian demand for small unmanned aircraft systems (sUAS), commonly referred to as drones, has skyrocketed. The passage of the Federal Aviation Administration (FAA) Modernization and Reform Act in 2012 acknowledged this fact ...
Tao Jiang   +3 more
doaj   +1 more source

Sistem Kontrol Pesawat Tanpa Awak Untuk Menentukan Waypoint Berbasis Ardupilot

open access: yesQuantum Teknika, 2021
An unmanned Aerial Vehicle (UAV) is a type of unmanned aerial vehicle which is controlled by a remote system. This type of aircraft is usually controlled by remote control from outside the plane and can also move automatically based on a program that has
Putri Rachmawati, Muhammad Haydar Asyam
doaj   +1 more source

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