Results 21 to 30 of about 17,694,616 (233)
Public Perception of Unmanned Aerial Vehicles [PDF]
, 2011 This study explored public risk perception of unmanned aerial vehicles (UAV) for civilian commercial operations, including cargo and passenger transportation.
Tam, Alice
core +1 more source
On the derivation and analysis of decision architectures for unmanned aircraft systems
, 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 +7 more sources
Electric Propulsion and Hybrid Energy Systems for Solar-Powered UAVs: Recent Advances and Challenges
DronesUnmanned aerial vehicles (UAVs) are increasingly utilized across civilian and defense sectors due to their versatility, efficiency, and cost-effectiveness. However, their operational endurance remains constrained by limited onboard energy storage. Recent
Norliza Ismail +5 more
doaj +1 more source
Electrolyte Design for Fast‐Charging Lithium‐Based Batteries
Advanced Materials, EarlyView.A decade of progress in fast‐charging electrolytes for lithium batteries is reviewed. Electrolyte design strategies spanning solvents, salts, additives, and advanced systems, such as localized high‐concentration electrolytes (LHCEs), are summarized. Advanced diagnostic tools for lithium plating and interphase chemistry are discussed, with perspectives ...
Chen Liu, Zehao Cui, Arumugam Manthiram
wiley +1 more source
Design and Prototype Testing of a Smart SMA Actuator for UAV Foldable Tail Wings
ActuatorsThe foldable tail wing system of UAVs offers advantages such as reducing the envelope size and improving storage space utilization. However, due to the compact tail wing space, achieving multi-modal locking and unlocking functionality presents ...
Yan Cheng +6 more
doaj +1 more source
Advanced Materials Technologies, EarlyView.Copper electroplating transforms lightweight 3D‐printed TPMS polymer lattices into effective electromagnetic shields. Topology, relative density, and conductive seed layer continuity govern copper penetration, electrical resistance, and attenuation. SEA consistently exceeds SER, while 35% RD Diamond lattice gives the best performance, reaching 48.72 dB
Aman Al Khatib +6 more
wiley +1 more source
Prescribed-Time Cooperative Output Regulation by Bounded Observer-Based Time-Varying Protocols
IEEE AccessThis research focuses on the prescribed-time cooperative output regulation problem within linear multi-agent systems subject to input constraints. The key contribution is the design of a distributed observer-based bounded time-varying state controller ...
Jiaxin Zhou +3 more
doaj +1 more source
International Journal of Advanced Robotic Systems, 2020 This article describes the development of an unmanned aerial vehicle system that had a remarkable performance in the 6th International Unmanned Aerial Vehicle Innovation Grand Prix, which was held on November 2–4, 2018, in Anji, China.
Xu Liu, Bo Chen, Yuqing He, Decai Li
doaj +1 more source
On‐Chip Photonic Neural Network Architectures
Advanced Optical Materials, EarlyView.This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong +7 more
wiley +1 more source
Fusing Deep Learning and Predictive Control for Safe Operation of Manned–Unmanned Aircraft Systems
DronesWith the rapid development of the low-altitude economy, the deployment of unmanned aircraft vehicles (UAVs) in many fields is increasing continuously, and the demand for collaborative flights is also growing.
Xiangyu Pan +4 more
doaj +1 more source