船舶底部纵剖轮廓线扫描测量方法

吴俊; 丁甡奇; 余葵; 李晓飚; 马希钦

船舶底部纵剖轮廓线扫描测量方法

吴俊^{1, 2,},
丁甡奇¹,
余葵¹,
李晓飚¹,
马希钦¹

1.
重庆交通大学西南水运工程科学研究所, 重庆 400016
2.
重庆交通大学内河航道整治技术交通行业重点实验室, 重庆 400016

基金项目:

重庆市自然科学基金项目 2010BB4275

详细信息

作者简介:
吴俊(1981-), 男, 江苏南通人, 重庆交通大学助理研究员, 工学博士, 从事航道与船舶工程相关测量技术研究

中图分类号: U666.75
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- 被引次数: 0
出版历程
- 收稿日期: 2013-12-27
- 刊出日期: 2014-04-25

Scanning measurement method of buttock contour line at ship bottom

1.
Southwest Research Institute of Water Engineering, Chongqing Jiaotong University, Chongqing 400016, China
2.
Key Laboratory of Inland Waterway Engineering of Ministry of Transport, Chongqing Jiaotong University, Chongqing 400016, China

More Information

Author Bio:
WU Jun (1981-), male, assistant researcher, PhD, +86-23-66800365, wujun_gd@126.com

摘要

摘要: 分析了船舶底部纵剖轮廓线的单点测量原理, 利用声波测量组件往复扫描, 测量多个吃水部位, 将船舶航速、扫描距离、扫描速度等数据进行有效处理, 提出了一种新的基于单波束声呐传感器的船舶底部纵剖轮廓线测量方法。以声波接收场的面积为约束条件, 给出了船舶底部边缘的判断判据, 推导了船舶底部轮廓线的重构公式, 并利用小比尺船模进行仿真试验。试验结果表明: 当船舶航速为2cm·s^-1时, 测得19个轮廓点数据, 船艏、船艉吃水分别为2.91、3.09cm, 吃水差为0.18cm; 当船舶航速为4cm·s^-1时, 测得10个轮廓点数据, 船艏、船尾吃水分别为2.79、3.15cm, 吃水差为0.36cm。所有测点一致性较好, 船舶航行姿态与实际相符。
- 船舶工程 /
- 纵剖轮廓线 /
- 声呐传感器 /
- 扫描 /
- 测量方法 /
- 吃水
Abstract: The single-point measurement principle of buttock contour line at ship bottom was analyzed.Acoustic measurement components were used to measure several draught points through reciprocating scanning, various parameters including ship sailing speed, scanning distance and scanning speed were effectively processed, and a new measurement method of buttock contour line at ship bottom based on single-beam sonar sensor was proposed.The acoustic receiving area was taken as constraint condition, the judgement criterion of ship bottom edge was carried out, the reconstruction formula of buttock contour line at ship bottom was deduced, and simulation test was carried out by using small scaled ship model.Test result shows that when ship sailing speed is 2 cm·s^-1, 19 contour points are measured, the draughts of ship bow and poop are 2.91 and 3.09 cm respectively, and the trim is 0.18 cm.When ship sailing speed is 4 cm·s^-1, 10 contour points are measured, the draughts of ship bow and poop are 2.79 and 3.15 cm respectively, and the trim is 0.36 cm.All the measured point data are of good consistency, and the sailing attitude is consistent well with the actual state.
- ship engineering /
- buttock contour line /
- sonar sensor /
- scanning /
- measurement method /
- draught

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图 1 单点测量

Figure 1. Single-point measurement

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图 2 动态测量

Figure 2. Dynamic measurement

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图 3 相对位置

Figure 3. Relative positions

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图 4 输出信号仿真结果

Figure 4. Simulation result of output signal

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图 5 测量流程

Figure 5. Measurement flow

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图 6 相对运动轨迹

Figure 6. Relative motion trajectory

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图 7 试验原理

Figure 7. Test principle

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图 8 试验系统

Figure 8. Test system

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图 9 试验现场

Figure 9. Test site

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图 10 2cm·s^-1航速时的轮廓线

Figure 10. Contour line at speed of 2cm·s^-1

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图 11 4cm·s^-1航速时的轮廓线

Figure 11. Contour line at speed of 4cm·s^-1

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表 1 吃水测量结果

Table 1. Draught mearsurement results

下载: 导出CSV

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