Results 11 to 20 of about 5,819 (191)

Quantum Safety Metrics Framework for Commercial Unmanned Aircraft Operators

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2021
Commercial unmanned aircraft systems continue to increase in applications and diversity; however, mishaps and accidents erode safety, investment return, and efficiency.
Tracy L Lamb   +2 more
doaj   +1 more source

Investigating the influence of vehicular traffic on a major trunk road on rural air quality [PDF]

open access: yes, 2012
A thesis submittedTraffic population in the UK has grown by 27% in 2002 and predicted to continue to an estimated 38% in 2016 and up to 60% by 2031. This means vehicular emissions from road transport may account for higher proportion of total emissions ...
Obara, Paul Goodluck
core   +2 more sources

Dynamic Delegated Corridors and 4D Required Navigation Performance for Urban Air Mobility (UAM) Airspace Integration

open access: yesJournal of Aviation/Aerospace Education & Research, 2020
Increased traffic congestion on urban road networks has impacted the travel time for commuters in highly populated urban centers. Urban Air Mobility (UAM) is recognized as a system that transports the passenger and air cargo from any location to any ...
Trong Van Nguyen
doaj   +1 more source

Modeling of residential outdoor exposure to traffic air pollution and assessment of associated health effects [PDF]

open access: yes, 2014
Traffic air pollution is known to affect cardiopulmonary health in the population. Children with asthma are amongst the most susceptible groups. Several epidemiological studies linked traffic air pollution with increased reporting of asthmatic symptoms ...
Ducret-Stich, Regina Elisabeth
core   +1 more source

Mapping ambient urban air pollution at the small area scale : a GIS approach [PDF]

open access: yes
Air pollution is an emotive and complex issue, affecting materials, vegetation growth and human health. Given that over half the world's population live within urban areas and that those areas are often highly polluted, the ability to understand the ...
Smallbone, Kirsty Louise
core   +4 more sources

Design and Realization of an Unmanned Aerial Rotorcraft Vehicle Using Pressurized Inflatable Structure

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2019
Unmanned aerial rotorcraft vehicles have many military, commercial and civil applications. There is a necessity to advance the performance on several ranges of rotorcraft for using these vehicles successfully in the expanded future roles.
Nirmal Sadasivan
doaj   +1 more source

A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations

open access: yesJournal of Aviation/Aerospace Education & Research
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
Xiaolin Xu, Jeffrey Sun
doaj   +1 more source

On the derivation and analysis of decision architectures for unmanned aircraft systems

open access: yes, 2013
©Cranfield University © BAE SystemsOperation of Unmanned Air Vehicles (UAVs) has increased significantly over the past few years. However, routine operation in non-segregated airspace remains a challenge, primarily due to nature of the environment and ...
Patchett, C H
core   +4 more sources

Global Aviation System: Towards Sustainable Development

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2019
Aviation around the world has integrated into a global system. As the integration process continues, more aspects and levels of it need to be lead towards the sustainable development of the whole system via advancing strategic management, global ...
Marina P. Bonser
doaj   +1 more source

A reinforcement learning approach to vehicle coordination for structured advanced air mobility

open access: yesGreen Energy and Intelligent Transportation
Advanced Air Mobility (AAM) has emerged as a pioneering concept designed to optimize the efficacy and ecological sustainability of air transportation. Its core objective is to provide highly automated air transportation services for passengers or cargo ...
Sabrullah Deniz   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy