Results 51 to 60 of about 35,207 (130)

This is NASA [PDF]

open access: yes, 1971
The organization, operations, functions, and objectives of NASA are outlined. Data include manned space flights, satellite weather observations, orbiting radio relays, and new views of the earth and beyond the earth as observed by satellites.

core   +1 more source

Multiservice UAVs for Emergency Tasks in Post-disaster Scenarios [PDF]

open access: yes, 2019
UAVs are increasingly being employed to carry out surveillance, parcel delivery, communication-support and other specific tasks. Their equipment and mission plan are carefully selected to minimize the carried load an overall resource consumption ...
Bianco, Andrea   +4 more
core   +2 more sources

A review of global and regional frameworks for the integration of an unmanned aircraft system in air traffic management

open access: yesTransportation Research Interdisciplinary Perspectives
Unmanned aircraft system (UAS) applications have increased exponentially in recent years owing to their low cost, improved performance, and the use of advanced technology in this relatively new and rapidly evolving industry.
Panagiotis Aposporis
doaj   +1 more source

Pre-Flight Conflict Detection and Resolution for UAV Integration in Shared Airspace: Sendai 2030 Model Case

open access: yesIEEE Access, 2019
The increasing demand for services performed by Unmanned Aerial Vehicles (UAVs) requires the simulation of Unmanned Aircraft System Traffic Management (UTM) systems.
Florence Ho   +6 more
doaj   +1 more source

Mixed Initiative Systems for Human-Swarm Interaction: Opportunities and Challenges

open access: yes, 2018
Human-swarm interaction (HSI) involves a number of human factors impacting human behaviour throughout the interaction. As the technologies used within HSI advance, it is more tempting to increase the level of swarm autonomy within the interaction to ...
Abbass, Hussein, Hussein, Aya
core   +1 more source

Advancing the Standards for Unmanned Air System Communications, Navigation and Surveillance [PDF]

open access: yes
Under NASA program NNA16BD84C, new architectures were identified and developed for supporting reliable and secure Communications, Navigation and Surveillance (CNS) needs for Unmanned Air Systems (UAS) operating in both controlled and uncontrolled ...
Jain, Raj   +4 more
core   +1 more source

Cities and Drones: What Cities Need to Know about Unmanned Aerial Vehicles (UAVs) [PDF]

open access: yes, 2016
NLC's municipal guide, Cities and Drones, is designed to serve as a primer on drones for local officials, providing insight into the recently released federal rules relating to drone operation, as well as offering suggestions for how local governments ...
Elias Stahl   +2 more
core  

Adaptive Airborne Separation to Enable UAM Autonomy in Mixed Airspace [PDF]

open access: yes
The excitement and promise generated by Urban Air Mobility (UAM) concepts have inspired both new entrants and large aerospace companies throughout the world to invest hundreds of millions in research and development of air vehicles, both piloted and ...
Cotton, William B.
core   +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

Ontology based Scene Creation for the Development of Automated Vehicles

open access: yes, 2018
The introduction of automated vehicles without permanent human supervision demands a functional system description, including functional system boundaries and a comprehensive safety analysis.
Bagschik, Gerrit   +2 more
core   +1 more source

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