A Field Monitoring System for Dynamic Positioning Floatover Installation

Author(s):  
Peng Wang ◽  
Xiao Wu ◽  
Wenyue Lu ◽  
Xinliang Tian ◽  
Xin Li

Floatover method has been proven a competitive installation technology in last thirty years. However, floatover installation is subject to a variety of technical challenges. Apart from weather restrictions, motions and position of the topside and deck transport vessel (DTV) should be strictly controlled during the entire installation operations. Therefore, a field monitoring system is essential to guarantee the installation safety. In this paper, a comprehensive introduction to the monitoring system developed by Shanghai Jiao Tong University is presented. The subsystems, including environment monitoring system, motions and position monitoring system, deck support units (DSUs) separating monitoring system, closed-circuit-television (CCTV) monitoring system as well as the integrated monitoring system (IMS), are proposed. Besides, the pre-installation surveys are also presented.

2013 ◽  
Vol 409-410 ◽  
pp. 1379-1382
Author(s):  
Yu Xin Liu

Closed circuit television (CCTV) monitoring system is used to control traffic and facilitates. In this paper the logical structure of the CCTV system is introduced first. Then the system composition is recommended. Finally the main detection items of CCTV channel, system reliability and maintainability analysis are introduced in details.


Author(s):  
Ting-Che Chuang ◽  
Min Liu ◽  
Yueh-Hsien Lin ◽  
Yong-Zen Haung ◽  
Chien-Wen Yang

Author(s):  
Supun Athukorala ◽  
Irunika Weeraratne ◽  
Dumindu Jayathilaka ◽  
Asitha Bandaranayake ◽  
Roshan Ragel

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