Results 51 to 60 of about 161,559 (266)

An Investigation of Rotary Drone HERM Line Spectrum under Manoeuvering Conditions

open access: yesSensors, 2020
Detecting and identifying drones is of great interest due to the proliferation of highly manoeuverable drones with on-board sensors of increasing sensing capabilities. In this paper, we investigate the use of radars for tackling this problem.
Peter Klaer   +6 more
doaj   +1 more source

Drone Warfare and Just War Theory [PDF]

open access: yes, 2018
This book chapter addresses two questions. First, can targeted killing by drones in non-battlefield zones be justified on basis of just war theory? Second, will the proliferation and expansion of combat drones in warfare, including the introduction of ...
van der Linden, Harry
core   +1 more source

Emergent behaviors in the Internet of things: The ultimate ultra-large-scale system [PDF]

open access: yes, 2016
To reach its potential, the Internet of Things (IoT) must break down the silos that limit applications' interoperability and hinder their manageability.
Milito, Rodolfo   +4 more
core   +2 more sources

Laser Powder Bed Fusion of Copper–Tungsten Composites for Heat Sink Applications in High‐Power Electronics

open access: yesAdvanced Engineering Materials, EarlyView.
This article demonstrates the successful qualification of a copper–tungsten composite for laser powder bed fusion. The resulting components exhibited high density, high thermal conductivity, and reduced thermal expansion. Heat sinks with complex geometries were successfully manufactured, clearly showcasing the material's potential for additive ...
Simon Rauh   +6 more
wiley   +1 more source

FEM structural analysis from UAV photogrammetry projects. Case study: Twenty Eyes Aqueduct in the Wadi of Carcauz (Almeria, Spain)

open access: yesConservation Science in Cultural Heritage
The Twenty Eyes Aqueduct stands as a monumental hydraulic structure with a rich history spanning several centuries, poised to be designated as a heritage asset of cultural interest (Bien de Interés Cultural, BIC).
José Manuel Casimiro-Bernárdez   +3 more
doaj   +1 more source

Drones at Our Service [PDF]

open access: yesJournal of Systemics, Cybernetics and Informatics, 2020
Drones have been of interest over the past several decades and the level of interest, including research interest, has been steadily growing. Drones are also known as unmanned aerial vehicles (UAVs). With the technological advances in hardware, software,
Mohammad Ilyas
doaj  

Optimal waypoint assignment for designing drone light show formations

open access: yesResults in Control and Optimization, 2022
Advancements in technology and new drone policies have boosted the adoption of drones by various industries. With active research and development, ingenious applications using drones are being developed.
Dharna Nar, Radhika Kotecha
doaj   +1 more source

The Constitutional and Counterterrorism Implications of Targeted Killing : Hearing Before the S. Judiciary Subcomm. on the Constitution, Civil Rights, and Human Rights, 113th Cong., April 23, 2013 (Statement by Professor Rosa Brooks, Geo. U. L. Center) [PDF]

open access: yes, 2013
Mr. Chairman, the mere mention of drones tends to arouse strong emotional reactions on both sides of the political spectrum, and last week\u27s tragic events in Boston have raised the temperature still further.
Brooks, Rosa
core   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Analysis of MAV Rotors Optimized for Low Noise and Aerodynamic Efficiency with Operational Constraints

open access: yesFluids
The rapid growth of drone use in urban areas has prompted authorities to review airspace regulations, forcing drone manufacturers to anticipate and reduce the noise emissions during the design stage.
Pietro Li Volsi   +5 more
doaj   +1 more source

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