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Deflection and inclination measuring system for floating dock based on wireless networks

机译：基于无线网络的浮桥挠度和倾角测量系统

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摘要

When going in or out of a dock, the self weight of the ship may cause the deflection of the pontoon deck and/or inclination of a floating dock. This paper investigates the measurements of the deflection and inclination of a floating dock within a wireless network. A deflection measurement model is constructed on the basis of the multi-points liquid levels in the connected pipes. The water levels at different points are measured by the pressure transmitters connected to the connection pipes along the longitudinal direction of the floating dock. The inclination is measured by 4 pneumercators installed on 4 corners of the floating dock. The measured data are transmitted to a server with a wireless sensor network. With the proposed model, the deflection and inclination calculation methods are analyzed and presented. The experimental results show that the accuracy of the deflection (hog or sag) can reach 95% and the error for the inclination measurement (heel or trim angle) is less than 8%. It is verified that the measuring system in the wireless sensor network supports the proposed deflection model and data collision avoiding algorithm. The measuring system could provide the required information during the operation of the floating dock.
机译：当进出码头时，船舶的自重可能会导致浮桥甲板的偏斜和/或浮动码头的倾斜。本文研究了无线网络中浮船坞的挠度和倾斜度的测量方法。基于所连接管道中的多点液位，构建了挠度测量模型。不同点的水位由沿浮船坞纵向连接到连接管的压力变送器测量。倾斜度是通过安装在浮船坞4个角上的4个气动装置测量的。测得的数据被发送到带有无线传感器网络的服务器。利用提出的模型，分析并提出了挠度和倾角的计算方法。实验结果表明，挠度（生猪或下垂）的精度可以达到95％，倾斜度测量的误差（后跟或纵倾角）小于8％。验证了无线传感器网络中的测量系统支持所提出的偏转模型和数据避免冲突算法。测量系统可以在浮船坞的操作期间提供所需的信息。

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  • 来源
    《Ocean Engineering》 |2013年第1期|1-8|共8页
  • 作者

    Guangxiang Yang; Hua Liang; Chao Wu;

  • 作者单位

    Chongqing Engineering Laboratory for Detection. Control and Integrated System, Chongqing Technology and Business University, Chongqing 400063, China,China Silian Instrument Group Co. Ltd., Chongqing 400700, China;

    Chongqing Engineering Laboratory for Detection. Control and Integrated System, Chongqing Technology and Business University, Chongqing 400063, China;

    Department of Civil Engineering, Monash University, Clayton, VIC 3800, Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Floating dock; Deflection; Inclination; Measurement; Wireless networks;

    机译：浮船坞;偏转;倾角;测量;无线网络;

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