Results 31 to 40 of about 17,434 (224)

Factors impeding the industrialized building system (IBS) implementation of building construction in Malaysia [PDF]

open access: yes, 2018
In Malaysian construction industry, Industrialised Building System (IBS) has been introduced to replace the traditional construction method. While the government has been making significant efforts to encourage the IBS adoption, the uptake of IBS in ...
Abas, Nor Ain   +3 more
core   +1 more source

Experimental Verification of a Depth Controller using Model Predictive Control with Constraints onboard a Thruster Actuated AUV [PDF]

open access: yes, 2012
In this work a depth and pitch controller for an autonomous underwater vehicle (AUV) is developed. This controller uses the model predictive control method to manoeuvre the vehicle whilst operating within the defined constraints of the AUV actuators ...
Furlong, M.   +4 more
core   +1 more source

Research advances in the development status and key technology of unmanned marine vehicle swarm operation

open access: yesZhongguo Jianchuan Yanjiu, 2021
The swarm operation of unmanned marine vehicle (UMV) has been developed and evolved from concept to practical application. In view of the mission requirements of UMV swarms, this paper summarizes the development of the UMV swarm concepts of unmanned ...
Wei XIE   +5 more
doaj   +1 more source

Simu2VITA: A General Purpose Underwater Vehicle Simulator

open access: yesSensors, 2022
This article presents an Unmanned Underwater Vehicle simulator named Simu2VITA, which was designed to be rapid to set up, easy to use, and simple to modify the vehicle’s parameters.
Pedro Daniel de Cerqueira Gava   +3 more
doaj   +1 more source

A Markov Chain state transition approach to establishing critical phases for AUV reliability [PDF]

open access: yes, 2011
The deployment of complex autonomous underwater platforms for marine science comprises a series of sequential steps. Each step is critical to the success of the mission. In this paper we present a state transition approach, in the form of a Markov chain,
Brito, Mario, Griffiths, Gwyn
core   +1 more source

Application of Heterogeneous Robotic System for Underwater Oil Spill Scenario [PDF]

open access: yes, 2016
The tragic Deepwater Horizon accident in the Gulf of Mexico in 2010 as well as the increase in deepwater offshore activity have increased public interest in counter-measures available for subsurface releases of hydrocarbons.
Antonio Vasilijević   +4 more
core   +2 more sources

Design, test and numerical simulation of a low-speed horizontal axis hydrokinetic turbine

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2018
A small-scale horizontal axis hydrokinetic turbine is designed, manufactured and studied both experimentally and numerically in this study. The turbine is expected to work in most of China's sea areas where the ocean current velocity is low and to supply
Wenlong Tian, Zhaoyong Mao, Hao Ding
doaj   +1 more source

Energy Storage Systems for Unmanned Underwater Vehicles

open access: yesUnderwater Technology, 2003
The power source of an underwater vehicle is the main component that determines its range of travel and the tasks that it can perform. Until recently, the choice of practical power sources for most applications has been limited to lead―acid and silver―zinc batteries are a well-established technology and are available at low cost. However, they have a
Abu-Sharkh, S.M., Griffiths, G.
openaire   +3 more sources

Using acoustic sensor technologies to create a more terrain capable unmanned ground vehicle [PDF]

open access: yes, 2009
Unmanned Ground Vehicle’s (UGV) have to cope with the most complex range of dynamic and variable obstacles and therefore need to be highly intelligent in order to cope with navigating in such a cluttered environment.
Erbil, Mehmet Ali   +4 more
core   +1 more source

Development and Field Test of Unmanned Marine Vehicle (USV/UUV) With cable

open access: yesIEEE Access, 2020
This paper presents the system, controller, and field test results of an unmanned marine vehicle (UMV) developed to acquire real-time ocean exploration information. The system consists of an unmanned surface vehicle (USV), an unmanned underwater vehicle (
Sung Min Hong   +4 more
doaj   +1 more source

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