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Method for automatically correcting physical property parameter of photoelectric composite submarine cable material

A physical parameter, photoelectric composite technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of labor-intensive submarine cable modeling data, long correction time, cumbersome repetitive work process, etc., to achieve shortened Modeling operating cycles, reducing the effect of staffing assignments

Active Publication Date: 2015-11-11
SHANGHAI MARITIME UNIVERSITY
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Problems solved by technology

Although this method can also achieve the purpose of obtaining the conductor temperature by modeling the entire temperature field, it requires extremely long correction time and consumes a lot of manpower to complete the preparatory work of the submarine cable modeling data.
Moreover, for different submarine cables, the model calculation must be re-established every time, and the process of repeating work is extremely cumbersome

Method used

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  • Method for automatically correcting physical property parameter of photoelectric composite submarine cable material

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Embodiment Construction

[0026] based on the following figure 1 Preferred embodiments of the present invention will be described in detail.

[0027] Such as figure 1 As shown, the present invention provides a method for automatically correcting the physical parameters of the photoelectric composite submarine cable, comprising the following steps:

[0028] Step S1. Obtain the measured temperature value of the submarine cable optical fiber through the Brillouin optical time domain analysis device (BOTDA), and save the obtained measured temperature value data of the submarine cable optical fiber into a file of the measured temperature value of the submarine cable optical fiber.

[0029] In this embodiment, the Brillouin optical time-domain analysis device BOTDA takes 20A as the current difference, takes 10 groups of submarine cable optical fiber measured temperature values ​​in the range of 100A-280A, and saves them as text PraFiber.txt.

[0030] Step S2, using ANSYS parametric design language to write...

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Abstract

A method for automatically correcting a physical property parameter of a photoelectric composite submarine cable material comprises: reading a physical property parameter file of a submarine cable optical fiber and automatically running the file by using an APDL (ANSYS Parametric Design Language) automated temperature field modeling script which is formed by an ANSYS parameterization design language; generating a theoretical temperature value of the submarine cable optical fiber; by a software development platform, calculating a temperature error value between an actually measured temperature value of the submarine cable optical fiber and the theoretical temperature value of the submarine cable optical fiber; by the software development platform, performing correction on the material physical property parameter of the submarine cable optical fiber with the temperature error value exceeding an allowed range, and updating the physical property parameter file of the submarine cable optical fiber by using the corrected material physical property parameter; and performing iteration to obtain a material physical property parameter that can enable the temperature error value between the actually measured temperature value of the submarine cable optical fiber and the theoretical temperature value of the submarine cable optical fiber to be within the allowed range. The method is efficient, simple, automatic, fast and convenient, and can greatly shorten the molding operation period, reduce personnel assignment needed for parameter correction and achieve double effects of efficient modeling and accurate establishment of a conductor temperature database.

Description

technical field [0001] The invention relates to a method for automatically correcting physical property parameters of a photoelectric composite submarine cable. Background technique [0002] During the construction and exploitation of offshore oil and gas resources, the power system of the offshore oil platform is an important part of the offshore oil and gas exploitation system, providing energy and power for the entire offshore oil exploitation system, ensuring normal subsea oil exploitation and power on the platform. It is required for daily operation, and the power supply and communication between platforms are carried out through photoelectric composite submarine cables (hereinafter referred to as submarine cables). Once the submarine cable fails, it will cause unimaginable huge losses. Conductor temperature, as an important parameter to evaluate the safety status of submarine cables, is an important factor in determining the life of submarine cables and an important b...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 王婷安博文陈元林余生
Owner SHANGHAI MARITIME UNIVERSITY
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