Results 41 to 50 of about 274,934 (259)

An Integrated Traveling Salesman and Coverage Path Planning Problem for Unmanned Aircraft Systems

open access: yesIEEE Control Systems Letters, 2019
Unmanned aircraft systems (UASs) have gained great popularity in land monitoring, 3-D mapping, search and rescue, among others. Existing studies on UAS path planning in these missions consider only a single region to be examined.
Junfei Xie, L. G. Carrillo, Lei Jin
semanticscholar   +1 more source

The use of Unmanned Aircraft Systems (UAS) in combat operations [PDF]

open access: yesTransport Problems, 2011
In this publication has been presented selected aspects of the wide spectrum of Unmanned Aircraft Systems (UAS)/UAV adaptation within the military structures.
Tomasz GUGAŁA
doaj  

Analysis of unmanned aircraft systems application in the civil field

open access: yesTransport, 2012
The basic directions of unmanned aircraft systems applications in the civil field has been reviewed, the concepts of creation and organization of civil unmanned aircraft systems has been considered depending on the task orientation as well as the wide ...
Volodymyr Kharchenko, Dmitry Prusov
doaj   +1 more source

About flight safety management during operation of unmanned aircraft systems

open access: yesНаучный вестник МГТУ ГА, 2021
The development of the unmanned aircraft market is hindered by the regulatory deficiencies of this aviation segment. This fully applies to the most important aspect of the activity – flight safety management.
V. D. Sharov   +2 more
doaj   +1 more source

A Review of Detect and Avoid Standards for Unmanned Aircraft Systems

open access: yesAerospace
When operating an unmanned aircraft system within the specific category beyond Air Risk Class a or within the certified category, a detect and avoid system is required in order to mitigate the risk of colliding with manned aircraft.
Marcel Riedel
doaj   +1 more source

Chance-constrained optimal power flow for improving line flow and voltage security of power transmission networks

open access: yesAutonomous Intelligent Systems
With the growing penetration of renewable energy, the impact of renewable uncertainties on power system secure operation is of increasing concern. Based on a recently developed linear power flow model, we formulate a chance-constrained optimal power flow
Yaodan Cui   +5 more
doaj   +1 more source

The Concept of Autonomy and the Changing Character of War

open access: yesOslo Law Review, 2018
There has been an immense development in unmanned aircraft technology in the past three decades or so. The percentage of unmanned versus manned aircraft in combat operations is only predicted to grow in the future.
John O Birkeland
doaj   +1 more source

The Hidden Human Factors in Unmanned Aerial Vehicles [PDF]

open access: yes, 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  

Drones: Innovative Technology for Use in Precision Pest Management. [PDF]

open access: yes, 2020
Arthropod pest outbreaks are unpredictable and not uniformly distributed within fields. Early outbreak detection and treatment application are inherent to effective pest management, allowing management decisions to be implemented before pests are well ...
de Lange, Elvira S   +3 more
core   +1 more source

Energy Consumption Optimization in Trajectory Planning for Fuel Cell Hybrid Uavs Based On HMPC

open access: yesAdvanced 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

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