International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT The integration of low Earth orbit (LEO) satellite constellations with commercial aircraft communication systems presents critical challenges in maintaining continuous connectivity during dynamic flight conditions. Current geostationary satellite systems suffer from high round‐trip latency (>$$ > $$ 500 ms) and inadequate coverage at high ...
Raúl Parada +4 more
wiley +1 more source
The threat posed by unmanned surface vessels
, 2023 Unmanned surface vessels have arrived. As they proliferate, misuse will happen as was the case with an earlier development, the unmanned aerial vehicle. To deal with this problem, the countermeasures devised for aerial drones can be adapted for unmanned ...
Tan, Teck Boon
core
Adaptive Fast Non-Singular Terminal Sliding Mode Path Following Control for an Underactuated Unmanned Surface Vehicle with Uncertainties and Unknown Disturbances. [PDF]
Sensors (Basel), 2021 Fan Y, Liu B, Wang G, Mu D.
europepmc +1 more source
Directive Antenna Clutter Loss in Slant Paths
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT This paper investigates the development of a clutter loss model specifically for slant paths involving directive antennas. Conventionally, clutter loss is characterized by using isotropic antennas to facilitate standard link budget calculations via single antenna gain values.
Fernando Pérez Fontán +4 more
wiley +1 more source
Perancangan Sistem Pemanduan Unmanned Surface Vehicle untuk Obstacle Avoidance Menggunakan Fuzzy Logic Control [PDF]
, 2020 Sistem kemudi otomatis merupakan suatu hasil perkembangan teknologi yang dapat diterapkan pada alat transportasi baik di darat, laut, maupun udara. Unmanned Surface Vehicle (USV) merupakan salah satu bentuk penerapan dari teknologi sistem kemudi otomatis
Hafiyyan, Naufan
core
Fixed-Time Path-Following-Based Underactuated Unmanned Surface Vehicle Dynamic Positioning Control
Journal of Marine Science and EngineeringThe development of dynamic positioning (DP) algorithms for an unmanned surface vehicle (USV) is attracting great interest, especially in support of complex missions such as sea rescue.
Shuai Zheng +4 more
doaj +1 more source
Brain‐Inspired Neuromorphic Device for Artificial Intelligent Robots Applications
SmartBot, EarlyView.Brain‐inspired neuromorphic devices mimic biological systems to provide an efficient hardware foundation for embodied intelligent robotics. This review explores the material systems and corresponding computing architectures of neuromorphic devices that support low‐power perception, adaptive learning, and real‐time decision‐making.
Jiachen Han +3 more
wiley +1 more source
Hardware design and UKF-based tracking control design of Ummanned Trimaran Surface Vehicle
, 2007 This paper focuses on the process of hardware selection in the design of an Unmanned Trimaran Surface Vehicle (UTSV) and a control scheme design of model-scaled UTSV.
Peng Y(彭艳) +2 more
core
Estimating red deer Cervus elaphus population density using drones in a steep and rugged terrain
Wildlife Biology, EarlyView.Precise and accurate information about population density, crucial for wildlife management, is difficult to obtain for elusive species living in dense forests or steep and inaccessible terrain. Using unmanned aerial vehicles (UAVs), we developed a method for obtaining absolute population estimates of ungulates living in steep, rugged, and partly ...
Julie Bommerlund +3 more
wiley +1 more source
Life cycle cost analysis of unmanned surface vehicle from ENDURUNS and MERLIN projects powered by renewable energies:A real case study [PDF]
The deployment of unmanned surface vehicles is rising, with new technologies and monitoring systems to enhance seabed monitoring. This paper shows a comprehensive cost analysis of an unmanned surface vehicle designed and developed in the European ...
Garcia Marquez, Fausto Pedro +3 more
core +1 more source