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Ornella Tortorici, Charly Péraud, Cédric Anthierens and Vincent Hugel
Underwater remotely operated vehicles (ROVs) are linked to the surface through a tether that is usually controlled by a human operator. The length of the tether being deployed in the water in real time is a critical determinant of the success of the miss...
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Ryunosuke Masaoka, Gia Khanh Tran, Jin Nakazato and Kei Sakaguchi
Nowadays, wireless communications are ubiquitously available. However, as pervasive as this technology is, there are distinct situations, such as during substantial public events, catastrophic disasters, or unexpected malfunctions of base stations (BSs),...
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Maricruz Fun Sang Cepeda, Marcos de Souza Freitas Machado, Fabrício Hudson Sousa Barbosa, Douglas Santana Souza Moreira, Maria José Legaz Almansa, Marcelo Igor Lourenço de Souza and Jean-David Caprace
Operators of offshore production units (OPUs) employ risk-based assessment (RBA) techniques in order to minimise inspection expenses while maintaining risks at an acceptable level. However, when human divers and workers are involved in inspections conduc...
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Qiao Zhang, Chunming Dong, Zongze Shao and Donghui Zhou
The growing need for deep-sea biological research and environmental monitoring has expanded the demand for benthic landers. Compared with remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs), benthic landers can reduce overall oper...
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Filippo Campagnaro, Fabian Steinmetz and Bernd-Christian Renner
Traditionally, underwater acoustic modems and positioning systems were developed for military and Oil & Gas industries, that require deep water deployments and extremely reliable systems, focusing on high power expensive systems and leaving the use o...
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Desheng Zhang, Xin Wang, Ming Zhao, Lin Hong and Xuecheng Li
Remotely operated underwater vehicles (ROVs) have been widely used in deep-sea resource exploitation and industrial engineering operations. To perform these tasks accurately in the deep-sea environment, stable motion control has become a key area of rese...
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Jonathan Cacace, Lorenzo Giampetraglia, Fabio Ruggiero and Vincenzo Lippiello
Energy grids represent a fundamental infrastructure of any country. These structures consist of many kilometres of power lines that must be periodically inspected and maintained. Among the necessary operations are installing and removing bird diverters t...
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Hongli Xu, Hongxu Yang, Zhongyu Bai and Xiangyue Zhang
Autonomous underwater vehicles (AUVs) are important in areas such as underwater scientific research and underwater resource collection. However, AUVs suffer from data portability and energy portability problems due to their physical size limitation. In t...
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Pengfei Xu, Chenbo Han, Tao Lv and Hongxia Cheng
Fixed-point underwater hovering is a key technology for the reliable operation of a remotely operated vehicle in the ocean to inspect the surfaces of a variety of underwater structures, such as ports and offshore wind power facilities. This study propose...
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Zhe Jiang, Bin Lu, Biao Wang, Weicheng Cui, Jinfei Zhang, Ruilong Luo, Gaosheng Luo, Shun Zhang and Zhongjun Mao
To better study the biology and ecology of hadal trenches for marine scientists, the Hadal Science and Technology Research Center (HAST) of Shanghai Ocean University proposed to construct a movable laboratory that includes a mothership, several full-ocea...
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