Results 51 to 60 of about 155,206 (197)

ROV Path Planning of Hydropower Plants Based on Improved Hybrid Motion Sparrow Search Algorithm

水下无人系统学报
Path planning for underwater remotely operated vehicles(ROVs) is a prerequisite for underwater inspection operation of hydropower plants. The reservoir of hydropower plants has complex environments, and the existing path planning algorithms face the ...
Xuewen ZENG, Xiuhua HUANG, Min CHEN, Da ZHOU, Fulin ZHANG   +4 more
doaj   +1 more source

Design and Implementation of the Control System for RemotelyOperated Vehicle Based on EtherCAT

Kongzhi Yu Xinxi Jishu, 2020
To simplify the control system structure of remotely operated vehicle(ROV), this paper focuses on designing the EtherCAT based ROV control system, in which control signals and underwater video signals can be transmitted in real time. This project built a
XIE Lei
doaj  

Uncalibrated Visual Servo for the Remotely Operated Vehicle [PDF]

, 2017
In this paper, an image-based uncalibrated visual servo scheme is proposed for image tracking tasks in highly disturbed environment, such as a remotely operated vehicle performing observation or investigation influenced by severe underwater current. Under the conditions of unknown target model and camera parameters, the control framework applies the ...
Chi-Cheng Cheng, Tsan-Chu Lu
openaire   +1 more source

Hydrodynamic analysis of Remotely Operated Vehicle (ROV) Observation Class using CFD

IOP Conference Series: Materials Science and Engineering, 2019
Remotely Operated Vehicle (ROV) is a small marine craft used for underwater observation. Hence, the analysis of hydrodynamic characteristics is important.
D. Satria, R. Wiryadinata, D. Esiswitoyo, M. Adji, I. Rosyadi, E. Listijorini, Sunardi   +6 more
semanticscholar   +1 more source

Performance Analysis of a Micro Underwater Remotely Operated Vehicle (ROV)

Jurnal Ilmiah SINERGI
Underwater Remote Operated Vehicle (ROV) is a tethered marine robot that are widely employed for scientific and commercial applications. Several industries are working on underwater robots to increase the productivity, monitoring and surveillance ...
Fauzal Naim Zohedi, Chan Yeow Chuan, Mohd Shahrieel Mohd Aras, Alias Khamis, Zairi Ismael Rizman   +4 more
doaj   +1 more source

Modelling, Design and Robust Control of a Remotely Operated Underwater Vehicle

International Journal of Advanced Robotic Systems, 2014
Underwater remotely operated vehicles (ROVs) play an important role in a number of shallow and deep-water missions for marine science, oil and gas extraction, exploration and salvage.
Luis Govinda García-Valdovinos, Tomás Salgado-Jiménez, Manuel Bandala-Sánchez, Luciano Nava-Balanzar, Rodrigo Hernández-Alvarado, José Antonio Cruz-Ledesma   +5 more
doaj   +1 more source

MULTI-CAMERA SYSTEM CALIBRATION OF A LOW-COST REMOTELY OPERATED VEHICLE FOR UNDERWATER CAVE EXPLORATION

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
. Exploration, documentation and mapping of underwater environment is one of the biggest open challenges for science and engineering. Humankind is not naturally designed to operate in water and, despite the enormous technological advancement that offers ...
E. Nocerino, M. Nawaf, M. Saccone, M. B. Ellefi, J. Pasquet, J. Royer, P. Drap   +6 more
semanticscholar   +1 more source

Characterizing Spatial Variability of Ice Algal Chlorophyll a and Net Primary Production between Sea Ice Habitats Using Horizontal Profiling Platforms

Frontiers in Marine Science, 2017
Assessing the role of sea ice algal biomass and primary production for polar ecosystems remains challenging due to the strong spatio-temporal variability of sea ice algae.
Benjamin A. Lange, Benjamin A. Lange, Christian Katlein, Giulia Castellani, Mar Fernández-Méndez, Mar Fernández-Méndez, Marcel Nicolaus, Ilka Peeken, Ilka Peeken, Hauke Flores, Hauke Flores   +10 more
doaj   +1 more source

A Control-Oriented Thruster Management Framework for Fault-Tolerant Propulsion of Remotely Operated Vehicles

Journal of Marine Science and Engineering
Remotely operated vehicles (ROVs) typically rely on over-actuated propulsion systems to achieve precise dynamic positioning and maneuvering in complex underwater environments.
Lu Wang, Yi Wu, Chao Fang, Jie Gao, Yonggang Gu, Chao Zhai, Zhen Zhang   +6 more
doaj   +1 more source

A Model-based Active Fault Tolerant Control Scheme for a Remotely Operated Vehicle

, 2018
An active failure and fault tolerant control scheme for an underwater remotely operated vehicle is proposed in this work. The proposed solution is based on a fault tolerant allocation, which takes into account an estimate of the faults on the vehicle’s ...
A. Baldini, A. Fasano, R. Felicetti, A. Freddi, S. Longhi, A. Monteriù   +5 more
semanticscholar   +1 more source