海上拖带系统4自由度建模与仿真  

4-DOF Modeling and Simulation of Marine Towing System

作　　者：孙洪波[1] 翁跃宗[1] 

机构地区：[1]集美大学航海学院,福建厦门361021

出　　处：《中国航海》2012年第2期39-44,共6页Navigation of China

基　　金：国家自然科学基金资助项目(51109090);李尚大集美大学学科建设基金资助项目(ZC2010011)

摘　　要：采用MMG船舶运动数学模型的建模思想,建立拖船和被拖船的四自由度运动数学模型,并采用基于悬链理论的拖缆张力数学模型,组成船舶海上拖带系统。以11 480kW的拖船和27 000t的成品油船为例,利用MAT-LAB工具进行静水中改向和旋回仿真模拟,给出拖带系统在不同改向角和舵角下的航迹、艏向、航速、横摇角以及拖缆张力变化的仿真结果。根据仿真结果研究分析拖带系统的运动规律,模拟结果对于提高海上船舶拖带的安全具有指导意义。The 4-DOF model of a towing ship in conjunction with a towed ships is built based on MMG ship motion mathematical modeling. This model integrated with towing line tension mathematical model based on catenary theory models the towing system. The simulation of a 11480KW tug boat towing a 27000 DWT oil product tanker is carried out with MATLAB, changing courses and making turning on calm sea. The track, speed, heading, heel angle and towline tension of the towing system in different course changing and rudder angles are given. The maneuverability of the towing system is investigated. The simulation results can be guidance for improving safety of marine towing.

关 键 词：水路运输 海上拖带 4自由度 船舶旋回性 船舶运动数学模型 

分 类 号：U661.3[交通运输工程—船舶及航道工程]