Results 61 to 70 of about 1,933 (184)

Type II degenerations of K3 surfaces of degree 4

open access: yesProceedings of the London Mathematical Society, Volume 133, Issue 1, July 2026.
Abstract We study Type II degenerations of K3 surfaces of degree 4 where the central fibre consists of two rational components glued along an elliptic curve. Such degenerations are called Tyurin degenerations. We construct explicit Tyurin degenerations corresponding to each of the 1‐dimensional boundary components of the Baily–Borel compactification of
James Matthew Jones
wiley   +1 more source

Hunting Algorithm for Multi-AUV Based on Dynamic Prediction of Target Trajectory in 3D Underwater Environment

open access: yesIEEE Access, 2020
In the research of multi-robot systems, multi-AUV (multiple autonomous underwater vehicles) cooperative target hunting is a hot issue. In order to improve the target hunting efficiency of multi-AUV, a multi-AUV hunting algorithm based on dynamic ...
Xiang Cao, Xinyuan Xu
doaj   +1 more source

Regeneration of the lizard heart after cryoinjury

open access: yesExperimental Physiology, Volume 111, Issue 7, Page 3310-3321, 1 July 2026.
Abstract Lizards are renowned for their tremendous potential to heal tissues and organs after injury, but little is known about myocardial regeneration in reptiles generally. Here, we study cardiac regeneration in the leopard gecko (Eublepharis macularius) to fill the knowledge gap between traditional models of poikilothermic (zebrafish) and ...
Martina Gregorovicova   +5 more
wiley   +1 more source

Fixed-Time Leader-Follower Formation Control of Autonomous Underwater Vehicles With Event-Triggered Intermittent Communications

open access: yesIEEE Access, 2018
This paper investigates a fixed-time leader-following formation control method for a set of autonomous underwater vehicles (AUVs) with event-triggered acoustic communications.
Zhenyu Gao, Ge Guo
doaj   +1 more source

Intelligent Acousto‐Electrical Metamaterials (IAM) for Sound Source Detection

open access: yesAdvanced Materials, Volume 38, Issue 36, 26 June 2026.
Our proposed metamaterial concept enables sound source detection using a single material, in contrast to conventional arrays that require dozens or even hundreds of transducers. We show that the coupled acoustic–vibrational–electrical responses in piezoelectric metamaterials give rise to topology‐governed charge transport, producing distinct voltage ...
Victor Couëdel   +7 more
wiley   +1 more source

UTact: Underwater Vision‐Based Tactile Sensor with Geometry Reconstruction and Contact Force Estimation

open access: yesAdvanced Robotics Research, Volume 2, Issue 3, June 2026.
Embedded flexible sensing technologies advance underwater soft robotics, yet most systems still suffer from hysteresis and limited perceptiveness. Instead, vision‐based tactile sensors provide reliable and rapid feedback essential for complex underwater tasks.
Qiyi Zhang   +5 more
wiley   +1 more source

Three-Dimensional Path Planning of AUVs in Dynamic Obstacle Environments

open access: yes水下无人系统学报
Traditional algorithms suffer from heavy computational burden and insufficient accuracy in the high-dimensional space and dynamic obstacle environment faced by autonomous underwater vehicles(AUVs). To overcome the challenges posed by dynamic obstacles to
Chaoyang CHEN   +3 more
doaj   +1 more source

Clustering Cloud-Like Model-Based Targets Underwater Tracking for AUVs

open access: yesSensors, 2019
Autonomous underwater vehicles (AUVs) rely on a mechanically scanned imaging sonar that is fixedly mounted on AUVs for underwater target barrier-avoiding and tracking. When underwater targets cross or approach each other, AUVs sometimes fail to track, or
Mingwei Sheng   +3 more
doaj   +1 more source

P-AUV: Position aware routing and medium access for ad hoc AUV networks

open access: yesJournal of Network and Computer Applications, 2019
Abstract Autonomous underwater vehicle (AUV) networks are used for coordinated missions such as area mapping and remote surveillance. AUVs are typically deployed by a central platform such as a ship or a submarine, and they operate in an unattended environment. Although there is no need for continuous monitoring of AUV nodes, the central platform may
Alper Bereketli   +2 more
openaire   +2 more sources

Decentralized deployment with obstacle avoidance for AUVs*

open access: yesIFAC Proceedings Volumes, 2011
Abstract In multiple robotic system, the deployment problem consists in the optimal placement of the robots within a given environment. In this paper, a fully decentralized strategy, based on the so called Null-Space-based Behavioral control is proposed.
ANTONELLI, Gianluca   +2 more
openaire   +4 more sources

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