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Control system of optical fiber acquisition and analysis dual-backup device for marine engineering

A technology of acquisition analysis and marine engineering, applied in the field of marine engineering, can solve problems such as the inapplicability of the control system, and achieve a wide range of applications

Active Publication Date: 2017-05-31
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the new optical fiber dual backup acquisition and analysis device, the existing control system cannot be applied when two optical fiber sensor analyzers are running at the same time

Method used

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  • Control system of optical fiber acquisition and analysis dual-backup device for marine engineering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] figure 1 It is a schematic diagram of the composition of the control system of a dual backup device for optical fiber acquisition and analysis in ocean engineering

[0018] Such as figure 1 As shown, a control system of an optical fiber collection and analysis dual backup device for ocean engineering includes a detection module 10 , a data source 11 , a data discrimination module 12 , a data analysis module 13 , and an external device 14 .

[0019] In this embodiment, the detection module 10 is mainly used to detect the physical quantity (such as temperature, displacement, etc.) of the target object, and transmit the detection signal to the data source 11 .

[0020] In this embodiment, the data source 11 serves as the data source of the entire control system, and converts the detection signal provided by the detection module 10 into data available to the system, and provides available data packets to other modules.

[0021] In this embodiment, the data judging module ...

Embodiment 2

[0025] A control system workflow of an ocean engineering optical fiber collection and analysis dual backup device, the specific steps are as follows:

[0026] Step 0: Start

[0027] Step 1A: The detection module 10 transmits the detection signal to the optical fiber analyzer A at the working position.

[0028] Step 1B: The detection module 10 transmits the detection signal to the optical fiber analyzer B at the working position.

[0029] Step 2A: The optical fiber analyzer A at the work station converts the signal collected by the detection module 10 into available data of the industrial computer, and then transmits the data to the industrial computer.

[0030] Step 2B: The optical fiber analyzer B at the working position converts the signal collected by the detection module 10 into available data of the industrial computer, and then transmits the data to the industrial computer.

[0031] Step 3A: In the data judging module 12, the optical fiber analyzer A at the work statio...

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Abstract

A control system of an optical fiber acquisition and analysis dual-backup device for marine engineering comprises a detection module, a data source, a data judging module, a data analysis module, and external equipment. The detection module is used for detecting the physical quantity of a target object and transmitting a detection signal to the data source. The data source is responsible for converting the detection signal provided by the detection module into data available to the system and offering the available data to the other modules in group. The data judging module is used for judging whether the data of the data source is received and transferring the received data to the data analysis module. The data analysis module is used for analyzing the data transferred by the data judging module and sending the result of analysis to the external equipment. The external equipment is used for receiving, displaying and storing the result of analysis. The control system has a wide range of application, can be used under the condition that two optical fiber sensing analyzers run simultaneously, and can still be used under the condition that one of the optical fiber sensing analyzers fails.

Description

technical field [0001] The invention relates to the technical field of marine engineering, in particular to a dual-backup acquisition and analysis device for controlling novel optical fiber demodulation. Background technique [0002] It is a realistic demand to measure the local strain of large offshore structures under actual working conditions. Because the environment of large offshore structures is usually high humidity, high salinity, exposure to the sun, and due to the vibration of large offshore structures, the optical fiber acquisition and analysis devices that generally work stably on land cannot be effective on large offshore structures. use. Through actual use, it is found that if the optical fiber acquisition and analysis device used on land is directly installed on a large offshore structure, the instrument will break down in a short time, resulting in large errors in measurement data, unusable measurement results, and even damage to the instrument. Serious pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/048
CPCG05B19/048
Inventor 杨建民徐胜文寇雨丰肖龙飞彭涛梁明宵
Owner SHANGHAI JIAO TONG UNIV