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Simulation-based Optimization Method for Hazardous Chemical Vessel Traffic Organization

A technology of hazardous chemicals and optimization methods, which is applied in the field of optimization of hazardous chemicals ship traffic organization, can solve problems such as bottlenecks in navigation capacity and safety, lack of relationship between traffic safety and efficiency, and inability to accurately describe the conflicting effects of ships. Improve safety and efficiency, eliminate bottlenecks

Inactive Publication Date: 2011-12-28
SHANGHAI MARITIME UNIVERSITY
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Problems solved by technology

In 2010, Li Shuxia from East China University of Science and Technology proposed a study on the dynamic assessment and evolution prediction of environmental risks of hazardous chemical accidents. This study focused on accidents and emphasized the dynamic nature of safety, without involving the safety and efficiency of hazardous chemical carriers themselves.
[0007] In 2009, Liu Jingxian of Wuhan University of Technology proposed to study the passage capacity and traffic organization mode of the main channel of large seaports based on the ship queuing simulation model of the port system. This research solved the problem of the efficiency of ships entering and leaving the port under normal traffic conditions, lacking traffic safety and efficiency. relationship research
However, the existing simulation models have deficiencies in the design and management of the relationship between the navigability and safety bottlenecks in port waters. In the study of traffic efficiency, the queuing simulation problem of the port ship traffic system is mainly dealt with. In the research on the influence of navigation efficiency The calculation method needs to be further improved, less consideration is given to interference factors such as ship pilotage, bad weather, and accidents, and the interference research has been simplified to a certain extent, which has a certain gap with the actual situation
Secondly, in the quantitative research on the navigation safety of hazardous chemical ships, it cannot accurately describe the conflict between ships, and does not consider the influence of the operating characteristics of hazardous chemical ships on navigation safety and efficiency.
At present, there is still a lack of research on the optimization of traffic organization methods for hazardous chemical ships passing through restricted waterways at home and abroad

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  • Simulation-based Optimization Method for Hazardous Chemical Vessel Traffic Organization

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Embodiment Construction

[0049] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0050] 1) Quantification of traffic safety and efficiency indicators during the entry and exit of hazardous chemical ships

[0051] Step 1: Calculate the shortest encounter distance and shortest encounter time

[0052] Establish the regression relationship between the risk index and the shortest encounter distance and shortest encounter time, and select the intersection area and the safety weight of the corresponding intersection while selecting the number of conflicts and equivalent traffic volume to redefine the comprehensive index of intersection safety-conflict rate . The area of ​​the warning zone represents the size of the intersection and the condition of the waterway.

[0053] Step 2: Define the type of interference, single interferenc...

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Abstract

Based on the optimization method of dangerous chemical ship traffic organization based on simulation, establish a dangerous chemical ship water traffic simulation system: establish an analysis model and platform; Establish a comprehensive simulation system with water traffic organization, water traffic conflict, traffic interference and other technologies as the core; establish a "bottleneck elimination" traffic organization method, and propose a "bottleneck elimination" method for normal traffic interference and serious traffic conflicts. Verify and improve the feasibility of the "bottleneck elimination" method; predict the relationship between the acceptable safety criteria and navigation efficiency standards for dangerous chemical ships in the port area from the port traffic system, and verify the relationship between safety and efficiency based on changes The feasibility and mechanism of organizational scheme design. The invention can effectively improve the safety and high efficiency of dangerous chemical ships entering and leaving ports.

Description

technical field [0001] The invention relates to navigation safety and efficiency technology in port ship routing system waters, in particular to a simulation-based optimization technology for dangerous chemical ship traffic organization. Background technique [0002] With the continuous implementation of ship routing system around the world, many international scholars have carried out quantitative research on the risk uncertainty and safety reliability of navigation safety in the navigation safety and efficiency of port ship routing system waters through safety evaluation and traffic simulation. , mainly focusing on the world's major busy ports and waters such as Dover Strait, Istanbul Strait, Bosporus Strait, Washington State Ferry, Hong Kong Waters, Kaohsiung Port and Busan Port, etc., and proposed many research models and evaluation methods. In general, it can be divided into studies focusing on safety risks and studies focusing on efficiency calculations. [0003] 1) R...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G3/00
Inventor 张浩肖英杰郑剑刘轶华白响恩周会军
Owner SHANGHAI MARITIME UNIVERSITY