Results 71 to 80 of about 185,806 (334)
Potential field method for persistent surveillance of multiple unmanned aerial vehicle sensors
International Journal of Distributed Sensor Networks, 2018 Persistent surveillance is one of the major tasks envisioned for unmanned aerial vehicles in that some regions of interest need to be continuously surveyed.
Changxin Huang +4 more
doaj +1 more source
Advanced Science, EarlyView.Highly dispersed and electron‐rich Ni nanoparticles (≈2.7 nm) supported on NH2‐MIL‐125 significantly promote the dehydrogenation of hydrous hydrazine under visible‐light irradiation, achieving a turnover frequency of 220.2 h−1 at 323 K, which is more than twice that in the dark (108.1 h−1) and outperforms most reported non‐precious metal catalysts ...
Jianjun Long +6 more
wiley +1 more source
Underground unmanned aerial vehicles cluster system for monitoring and its key technologies
Gong-kuang zidonghua, 2019 Underground monitoring and control system is usually fixed and has limited range, so it is difficult to fully meet dynamic monitoring requirements of underground safety production.
YANG Wei, SHAN Chunyan, LIU Junbo
doaj +1 more source
Design and analysis of an unmanned small-scale air-land-water vehicle [PDF]
, 2013 The designs of small-scale unmanned aerial, land and water vehicles are currently being researched in both civilian and military applications. However, these unmanned vehicles are limited to only one and two mode of operation.
Arhami, Arhami
core
Advanced Science, EarlyView.Inspired by nature's competitive maneuvers, this study introduces a combustion‐driven soft actuator that powers a multi‐modal “Jump‐and‐Fly Catbot” (JFC). With millisecond response, high‐force output (over 70 times its weight) and precise control (error within 5%), the robot can jump, fly, hover, and escape from challenging environments, achieving ...
Hongkuan Ma +4 more
wiley +1 more source
A telemetry antenna system for unmanned air vehicles [PDF]
, 2010 This paper presents a low VSWR high gain telemetry antenna system manufactured for UAVs that provides 360± coverage in the roll plane of the UAV. Proposed telemetry antenna system includes four telemetry antennas, one power divider that has one input and
Dogan, Mustafa +3 more
core
Vertical Merger Enforcement Actions: 1994–April 2020 [PDF]
, 2020 We have revised our earlier listing of vertical merger enforcement actions by the Department of Justice and Federal Trade Commission since 1994. This revised listing includes 66 vertical matters beginning in 1994 through April 2020.
Culley, Daniel P., Salop, Steven C.
core +1 more source
Advanced Science, EarlyView.This work demonstrates a phase‐engineered MoS2 photodetector that dynamically switches among photocapacitive (PCC), photovoltaic (PV), and photoconductive (PC) modes. By transforming the traditionally parasitic capacitance into an active signal source, the device achieves self‐powered, high‐sensitivity detection with a fast response of 19.2 ms, and a ...
Xinyu Li +16 more
wiley +1 more source
Investigating the use of unmanned plant machinery on construction sites [PDF]
, 2010 The UK Construction Sector has been estimated to contribute 8% of the UK’s GDP [1]. The worldwide recession has forced construction companies to introduce and adopt cost saving measures to increase productivity.
Barlow, Chris +8 more
core
Neuromorphic Motor Control with Electrolyte‐Gated Organic Synaptic Transistors
Advanced Electronic Materials, EarlyView.Electrolyte‐gated organic synaptic transistor (EGOST)‐based neuromorphic motor control systems integrate sensing, processing, and actuation by mimicking biological synapses. With advantages such as low power consumption, tunable synaptic plasticity, and mechanical flexibility, they are emerging as next‐generation core technologies for real‐time ...
Sung‐Hwan Kim +3 more
wiley +1 more source