Analysis of Vibration Characteristics of Optical Fiber Composite Submarine Cable under Anchoring

SHANG Qiu-feng; GONG Biao; ZHENG Guo-qiang

doi:10.13756/j.gtxyj.2021.05.007

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Analysis of Vibration Characteristics of Optical Fiber Composite Submarine Cable under Anchoring

更新时间：2022-06-20

- Analysis of Vibration Characteristics of Optical Fiber Composite Submarine Cable under Anchoring
- Study on Optical Communications Issue 5, Pages: 45-49,56(2021)
- 作者机构：
  
  a.华北电力大学　电子与通信工程系，河北　保定　071003
  b.华北电力大学　河北省电力物联网技术重点实验室，河北　保定　071003
  c.华北电力大学　保定市光纤传感与光通信技术重点实验室，河北　保定　071003
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2021.05.007
  CLC： TP212
- Published：10 October 2021，
  
  Received：28 March 2021，
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SHANG Qiu-feng, GONG Biao, ZHENG Guo-qiang. Analysis of Vibration Characteristics of Optical Fiber Composite Submarine Cable under Anchoring. [J]. Study on Optical Communications (5):45-49,56(2021)
DOI：

SHANG Qiu-feng, GONG Biao, ZHENG Guo-qiang. Analysis of Vibration Characteristics of Optical Fiber Composite Submarine Cable under Anchoring. [J]. Study on Optical Communications (5):45-49,56(2021) DOI： 10.13756/j.gtxyj.2021.05.007.

摘要

针对海缆故障信号振动特性研究存在不足的问题，文章建立了锚砸作用下光纤复合海底电缆（海缆）的三维有限元模型。在质量为151.16 kg和速度为6.95 m/s的锚砸条件下进行了仿真计算，获得了海缆光单元受锚砸作用时，

、

和

3方向上的加速度数据并进行了振动特性分析，给出了振动加速度信号的幅频特性、能量熵和峭度，分析了锚砸作用下海缆的振动特性，为采用光纤技术监测海缆工作状态提供了参考。

Abstract

In view of the insufficient research on the vibration characteristics of the submarine cable fault signal

A three-dimensional finite element model of the optical fiber composite submarine cable (submarine cable) under the anchoring action is established. The simulation calculation is carried out under the anchoring conditions with a mass of 151.16 kg and a speed of 6.95 m/s. The acceleration data of the submarine cable optical unit is obtained in the

and

directions under the anchoring action. The vibration characteristics

including the amplitude frequency characteristic

energy entropy and kurtosis of vibration acceleration signal

are analyzed. The analysis of the vibration characteristics of the submarine cable under the action of anchoring provides a reference for the use of optical fiber technology to monitor the working status of the submarine cable.

关键词

海缆锚砸有限元光单元振动特性

Keywords

submarine cableanchoringfinite elementoptical unitvibration characteristics

references

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