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Hongyan Ding, Ruiqi Hu, Conghuan Le and Puyang Zhang
An offshore integrated meteorological mast (OIMM) is introduced which has great application potential for the development of offshore wind turbine power. This innovative OIMM features in two aspects: the integrated construction and the integrated transpo...
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Xiong Zou, Wenqiang Zhan, Changshi Xiao, Chunhui Zhou, Qianqian Chen, Tiantian Yang and Xin Liu
The demand for non-powered facility towing is increasing with the development of large-scale offshore projects. It is of great interest for its safe operation to measure the state of the towing process in real time. This paper proposed a computer vision ...
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Min-Kyu Kim, Dong-Jin Park, Yeong-Seok Oh, Jong-Hwa Kim and Jin-Kyu Choi
This paper deals with the attitude control of a towfish (underwater towed vehicle) with two elevators and a single rudder to improve the image quality of an attached sound navigation ranging (sonar) system. Image distortion can occur if the towfish shake...
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Gongxing Wu, Xiaolong Zhao, Yushan Sun and Linling Wang
The towing operation of multi-tug-assisted ship navigation mainly relies on the experience of the captain, and there is no set of effective operation methods. Therefore, it is difficult to achieve accurate assisted navigation when multiple tugboats work ...
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Dapeng Zhang, Bowen Zhao, Keqiang Zhu and Haoyu Jiang
The trawl system plays an irreplaceable role in deep-sea fishing. In the towing process of the trawl system, many complex mechanical phenomena occurs, so it is necessary to analyze the dynamic response of the deep-sea trawl system during the towing proce...
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Conghuan Le, Jianyu Ren, Kai Wang, Puyang Zhang and Hongyan Ding
One of the advantages of floating offshore wind turbines (FOWTs) is that they can be designed to be easily wet towed and installed to reduce the cost of offshore construction. In this paper, a fully coupled towing system numerical model is established fo...
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Shengtao Chen, Han Zou, Guocai Qi, Dongju Li and Zhouyuan Xu
The rescue of ships in distress at sea relies mainly on rescue vessels, which includes the approaching process and the towing motion of the two ships. Ship rescue can be reduced to a two-ship problem, primarily involving the relative motion between ships...
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Puyang Zhang, Disheng Liang, Hongyan Ding, Conghuan Le and Xing Zhao
Offshore wind power is an important of source renewable energy. As a new technology, the one-step integrated transportation and installation technology of offshore wind power has broader application prospects. In order to ensure stability during the towi...
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Thinh Huynh and Young-Bok Kim
This study investigates the automated transportation control problem of an offshore floating platform that has limited or no maneuverability. The proposed solution involves two tugboats pushing into the platform and two other tugs towing it in the opposi...
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Yachao Zhu, Hao Wang, Yuanyang Liu, Gang Lei and Jianguo Zhu
This paper proposes a multiport energy management system (EMS) and its rule-based expert control strategy for a 150 kW range-extended towing vessel (RETV). The system integrates a diesel generator system, a permanent magnet synchronous motor, a lithium b...
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Shouxu Chen, Weidong Chen, Ti Chen and Junjie Kang
A tethered towing system provides an effective method for capturing pieces of space debris and dragging them out of orbit. This paper focuses on the in-plane stability analysis and libration control of a two-segment tethered towing system. The first segm...
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Fali Huo, Changdong Wei, Chenyang Zhu, Zhaojun Yuan and Sheng Xu
During the towing of semisubmersible platforms, waves impact and superpose in front of the platform to form a ridge shaped ?water ridge?, which protrudes near the platform and produces a large slamming pressure. The water ridges occur frequently in the t...
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Ahmed Abdelmoamen Ahmed and Sheikh Ahmed
Automatic Number Plate Recognition (ANPR) has been widely used in different domains, such as car park management, traffic management, tolling, and intelligent transport systems. Despite this technology?s importance, the existing ANPR approaches suffer fr...
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Álvaro Rodríguez Luis, José Antonio Armesto, Raúl Guanche, Carlos Barrera and César Vidal
A numerical model to study the towing maneuver for floating and submerged bodies has been developed. The proposed model is based on the dynamic study of a catenary line moving between two bodies, one body with imposed motion, and the other free to move. ...
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Yingfei Zan, Ruinan Guo, Lihao Yuan and Zhaohui Wu
In underwater towing operations, the drag force and vertical offset angle of towropes are important considerations when choosing and setting up towing equipment. The aim of this paper is to study the variation in drag force, vertical offset angle, resist...
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Rasul Niazmand Bilandi, Simone Mancini, Luigi Vitiello, Salvatore Miranda and Maria De Carlini
In the current article, the hydrodynamic forces of single-stepped planing hulls were evaluated by an analytical method and compared against towing tank tests. Using the 2D + T theory, the pressure distribution over the wedge section entering the water an...
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Rasul Niazmand Bilandi, Simone Mancini, Luigi Vitiello, Salvatore Miranda and Maria De Carlini
In the current article, the hydrodynamic forces of single-stepped planing hulls were evaluated by an analytical method and compared against towing tank tests. Using the 2D + T theory, the pressure distribution over the wedge section entering the water an...
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Rasul Niazmand Bilandi, Simone Mancini, Luigi Vitiello, Salvatore Miranda and Maria De Carlini
In the current article, the hydrodynamic forces of single-stepped planing hulls were evaluated by an analytical method and compared against towing tank tests. Using the 2D + T theory, the pressure distribution over the wedge section entering the water an...
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Jiangfeng Cheng, Xueqiang Liu and Feng Deng
When a Very-Low-Frequency (VLF) antenna is towed in a circular flightpath at a constant altitude, the spatial configuration of the antenna can become relatively stationary with the orbiting aircraft. Accordingly, a quasi-stationary model of the towed ant...
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Zhen Lu, Tohru Mukai, Yasuzumi Fujimori and Kohji Iida
The authors have developed a method to estimate the catch efficiency of sampling gear using acoustic information. Since different sampling conditions will cause different sampling results, it is necessary to know more details about catch efficiency to qu...
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