Autonomous shipboard landing control system for Unmanned Aerial Vehicle based on ship motion predictor
Peer-Reviewed Publication
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UAV shipboard landing has gained extensive attention, due to its potential to enhance operational efficiency in maritime applications, including surveillance, inspection, refueling, and sea rescue missions. However, the oscillatory ship motion caused by the sea wave interactions and wind gusts, especially in rough sea states, may lead to UAV trajectory deviations or even collisions, significantly escalating the challenge of shipboard landing. Consequently, the development of safe and reliable UAV shipboard landing techniques is of great importance and remains a critical research priority.
Dark Matter remains one of the biggest mysteries in fundamental physics. Many theoretical proposals (axions, WIMPs) and 40 years of extensive experimental search failed to provide any explanation of the nature of Dark Matter. Several years ago, in a theory unifying particle physics and gravity, new, radically different Dark Matter candidates were proposed, superheavy charged gravitinos. Very recent paper in Physical Review Research by scientists from the University of Warsaw and Max Planck Institute for Gravitational Physics, shows how new underground detectors, in particular JUNO detector starting soon to take data, even though designed for neutrino physics, are also extremely well suited to eventually detect charged Dark Matter gravitinos. The simulations combining two fields, elementary particle physics and very advanced quantum chemistry, show that the gravitino signal in the detector should be unique and unambiguous.
A Rutgers-led team of scientists has uncovered evidence of how galaxies expand by tracing the invisible scaffolding of the universe created by a mysterious substance known as dark matter.
In a newly published study in Astrophysical Journal Letters, researchers used what they said are the largest-ever samples of special galaxies called Lyman-alpha emitters to study how galaxies clumped together over billions of years. In doing so, they gained an improved understanding of how galaxies relate to the surrounding dark matter and how they evolve over time.