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Research on Probability of Ship Colliding with Bridge out of Control in Inland Water

Author: LiBing
Tutor: LiuMingJun
School: Wuhan University of Technology
Course: Traffic Information Engineering \u0026 Control
Keywords: Inland waters Runaway ship Probability of hit bridge The amount of drift model Yaw angle
CLC: U698
Type: Master's thesis
Year: 2010
Downloads: 71
Quote: 2
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Abstract

The ship hit the bridge accident over the world have always occurred, the ship hit the bridge accident frequency more often than we think. Although the technology has been progress, the level of the ship with facilities, ship safety supervision and management level, and bridge construction and management level has made great progress, but at the same time the bridge accelerated pace and more to build the larger trend, as well as ship The trend of large-scale and sailing faster, makes the ship hit the bridge accident probability greatly increased. The ship hit the bridge has become increasingly important to carry out more and more information about the importance of research and take countermeasures. The executive meeting of the International Sailing Association in 1995 established one of the first 19 Working Group, specializes in the research work of the ship hit the bridge accident. The ship hit the bridge accident the team after five years of work to establish an international database that human error is a major factor in the ship hit the bridge, accounting for 70% of the total proportion. Human factors, including crew quality, professional technical ability, work attitude. Research ship hit the bridge probability, it is difficult to quantitatively analyze these. This article from the research vessel, the ship is out of control angle hit the bridge probability. Ship drift out of control directly determine whether the ship collided with the bridge, so the amount of drift for the ship out of control after the strike is an important work. Chapter by analyzing the ship out of control, the state of motion to establish the the runaway ship offset model, the amount of drift caused by the drift of the model obtained by the yaw angle, the amount of wind-induced drift, flow-induced drift amount is composed of three parts. This article focuses on drift caused by the yaw angle distribution probability. By observing the past public security Yangtze River Bridge, Wuhan Yangtze River Bridge upstream single ship, downlink single vessel uplink fleet the downlink fleet of eight group yaw angle data and analysis of the distribution pattern of the yaw angle, to create a yaw angle distribution probability model. The ship is drawn to consider the impact of the Merry Merry affect this probability model based on lost control and hit a bridge probability. The first chapter introduces the thesis background study; The second chapter describes in this article about the research status at home and abroad, and highlights several boat hit the bridge probabilistic model; Chapter use of the ship out of control the amount of drift models, and this The amount of drift is obtained based on the probability distribution model; Chapter real ship experiments obtained the yaw angular distribution data analysis of the impact factor of the amount of drift yaw angle distribution; Chapter established ship lost control and hit the bridge probability model for programming, visualization applications software, the interface on the input data of the vessel, Merry information piers arranged to output the probability of collision of the bridge piers. The ship lost control and hit the bridge of this research method and establish the probability model will further improve the ship hit the bridge provides an important reference for the work, have a great significance for driving past the ship and bridge design.

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