Results 91 to 100 of about 5,415 (216)

Effectiveness Evaluation of Underwater Heterogeneous Platforms Based on ADC Model

水下无人系统学报
Equipment clusters are gradually emerging as a key way to improve the efficiency of underwater tasks. Traditional availability dependability capacity(ADC) models make it difficult to evaluate the collaborative ability of an underwater heterogeneous ...
Xin ZHANG, Jin PAN, Jing ZHANG, Boheng CHEN, Ming REN, Dong GUO   +5 more
doaj   +1 more source

Development Of A Vision System For Ship Hull Inspection [PDF]

, 2007
Penyelidikan ini memperkenalkan strategi pengawalan untuk memperbaiki prestasi pemeriksaan visual badan kapal dengan menggunakan kenderaan dalam air. This work introduces a strategy to improve the performance of visual ship hull inspection using a ...
Zainal Abidin, Zulkifli
core  

Nonlinear Programming-Based Fault-Tolerant Control for X-Rudder AUVs

水下无人系统学报
To fully utilize the fault-tolerant capability of the X-rudder autonomous undersea vehicles (AUVs), a fault-tolerant motion control algorithm for AUVs oriented towards rudder failures was proposed, and it was deployed on a prototype of an X-rudder AUV ...
Ying CHEN
doaj   +1 more source

Underwater Target Search and Tracking Based on Air-Sea Heterogeneous Unmanned Platform

水下无人系统学报
The marine heterogeneous unmanned systems can effectively enhance the implementation efficiency of complex missions. In this paper, autonomous undersea vehicles(AUVs) and unmanned aerial vehicles(UAVs) were used for searching and tracking unknown ...
Wenjun DING, Yajun CHAI, Yuxian YANG, Jiamin LIU, Zhaoyong MAO   +4 more
doaj   +1 more source

Brief Analysis of GNSS and LNSS Vulnerabilities with the Focus on Spoofing for the Marine Autonomous Surface and Undersea Vehicles

Ural Radio Engineering Journal, 2020
Positioning and navigation problems have proven to be well-developed in all areas of the Earth (on the surface of the lithosphere and hydrosphere, in the atmosphere, troposphere and stratosphere), except the hydrosphere. This article is devoted to the problem of a analysis of the state of the underwater positioning and navigation and practically the ...
openaire   +2 more sources

Three-Dimensional Path Planning of AUVs in Dynamic Obstacle Environments

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, Yute TANG, Yi HUANG, Zhiqun LIU   +3 more
doaj   +1 more source

Trajectory Tracking Control Method for AUV Planar MotionBased on Three-Level Hierarchical Speed Regulation

水下无人系统学报
Autonomous undersea vehicle(AUV) often encounter the problem of track overshoot when moving underwater. To address this issue, this paper proposed a cooperative control strategy that integrated the adaptive line-of-sight guidance algorithm and the three ...
Haonan SUN, Lei WANG
doaj   +1 more source

Design of Unmanned Underwater Vehicle (UUV) For Precision Targeting Using Simple PID-Controler [PDF]

, 2009
A model of an Unmanned Underwater Vehicle (UUV) for precision targeting using simple PID controller has been designed. The system has been assumed to have two-dimensional character, such that the mechanical control mechanism would be performed solely by ...
Kuntoro , Tri
core  

Threats from and Countermeasures for Unmanned Aerial and Underwater Vehicles. [PDF]

Sensors (Basel), 2022
Khawaja W, Semkin V, Ratyal NI, Yaqoob Q, Gul J, Guvenc I.   +5 more
europepmc   +1 more source

Oceanus [PDF]

v. 45, no.
Woods Hole Oceanographic Institution.
core   +1 more source