Results 31 to 40 of about 11,676 (232)
IFAC Proceedings Volumes, 2010 Abstract The protection of civilian harbours has received an increasing interest after September 11th. One of the areas currently under major investigation is the use of a team of Unmanned Surface Vehicles (USVs), which could be exploited for patrolling purposes and to investigate suspect situations, increasing the effectiveness of the harbor ...
SIMETTI, ENRICO +4 more
openaire +2 more sources
Surveying a Floating Iceberg With the USV SEADRAGON [PDF]
Frontiers in Marine Science, 2021 The calving, drifting, and melting of icebergs has local, regional, and global implications. Besides the impacts to local ecosystems due to changes in seawater salinity and temperature, the freshwater influx and transport can have significant regional effects related to the ocean circulation.
Zhou, Mingxi +2 more
openaire +3 more sources
Optimized Dynamic Collision Avoidance Algorithm for USV Path Planning
Italian National Conference on Sensors, 2023 Ship collision avoidance is a complex process that is influenced by numerous factors. In this study, we propose a novel method called the Optimal Collision Avoidance Point (OCAP) for unmanned surface vehicles (USVs) to determine when to take appropriate ...
Hongyang Zhu, Y. Ding
semanticscholar +1 more source
An overview of developments and challenges for unmanned surface vehicle autonomous berthing
Complex & Intelligent Systems, 2023 With the continuous progress of contemporary science and technology and the increasing requirements for marine vehicles in various fields, the intelligence and automation of ships have become a general trend.
Gongxing Wu +4 more
doaj +1 more source
Zhongguo Jianchuan Yanjiu, 2022 Unmanned surface vessel (USV) based cross-domain heterogeneous formation cooperative navigation is an important method for overcoming the difficulties of navigation and positioning facing in the three areas of water surface, underwater and air in the ...
Bo XU, Zhaoyang WANG
doaj +1 more source
Scientific ReportsUnderwater object detection based on side-scan sonar (SSS) suffers from a lack of finely annotated data. This study aims to avoid the laborious task of annotation by achieving unsupervised underwater object detection through domain-adaptive object ...
Chengwei Wei +5 more
doaj +1 more source
Forest EcosystemsAllometric equations are commonly used to estimate tree biomass; however, actual measurements of tree biomass are required to develop these allometric models. Terrestrial laser scanning (TLS) can provide significant improvements in this regard.
Iulian-Constantin Dănilă +2 more
doaj +1 more source
Journal of Periodontology, EarlyView.Abstract Background Periodontal disease affects people globally, requiring approaches to halt progression at the gingivitis stage. Researchers have investigated live probiotics; we studied the effect of a heat‐inactivated preparation (postbiotic) of Lactiplantibacillus pentosus ONRICb0240 on gingival inflammation.
Anhao Liu +8 more
wiley +1 more source
Unmanned surface vehicle escape strategy based on hybrid sampling deep Q-network
Zhongguo Jianchuan YanjiuObjectiveAiming at the encirclement tactics adopted by enemy ships, this study focuses on the problem of planning an escape strategy when an unmanned surface vehicle (USV) is surrounded by enemy ships.
Yuanpeng YANG +4 more
doaj +1 more source
Nonprofit Management and Leadership, EarlyView.ABSTRACT The purpose of this paper is to develop foundational propositions designed to reflect success factors in the recruitment and retention of volunteers for future longevity. Using insights gathered from three universities' experiences of student volunteering during COVID‐19, plus capturing the experiences of volunteer involving organizations, we ...
Ingrid O'Brien +5 more
wiley +1 more source