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A method for identifying oil blending pressure state

A state identification and pressure technology, which is applied in the measurement of fluid pressure, simultaneous measurement of multiple hydraulic valves, special data processing applications, etc., can solve the problems of high risk and inaccuracy in the identification state of pressure detection instruments

Active Publication Date: 2017-02-15
南京富岛信息工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of high risk and inaccuracy in identifying the state of a single pressure detection instrument, and propose a method for identifying the pressure state of oil blending, which uses the information fusion technology of multiple pressure detection sensors to optimize the control system for oil blending Identify important key stress states in

Method used

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  • A method for identifying oil blending pressure state
  • A method for identifying oil blending pressure state
  • A method for identifying oil blending pressure state

Examples

Experimental program
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Effect test

Embodiment 1

[0102] In the identification system of the oil blending optimization control system of the present invention, the identification system collects a large amount of on-site pressure data of oil blending, identifies the blending pressure state based on the reasoning and identification method of the present invention, and obtains an accurate estimate of the system pressure state. The identification process is as follows.

[0103] In the control of the oil blending optimization control system, in order to ensure that the current pressure state of the pipeline pump outlet can be reliably identified, a pressure detection instrument is installed every 8 meters along the pipeline from the pipeline pump outlet, and a total of four are installed for Measure the pressure values ​​at different points on the same blending line.

[0104] 1. Abnormal data processing

[0105] For the data collected by the testing instruments, remove the over-limit or obviously abnormal data. Set the maximum ...

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Abstract

A method for recognizing the petroleum product blending pressure state comprises the following steps that (1) pressure sensors are used for data acquisition; (2) abnormal data are processed; (3) elementary probability allocation is conducted on data without the abnormal data, and then evidence information, acquired by the pressure sensors at different positions during petroleum product blending, of the petroleum product blending pressure state is obtained. By means of the method for recognizing the state of a petroleum product blending optimal control system, the situation that a part of the data loose efficacy or become abnormal due to the fact that an instrument of the multiple pressure sensors is damaged can be handled; the method is adapted to not only the situation that the multiple pressure sensors are consistent in information but also the situation that the multiple pressure sensors are contradictory in information; the rate of convergence is higher, a correct target can be obtained through convergence under the condition of a small amount of evidence, the misjudgment rate is low, the recognition accuracy is high, and the stability is good.

Description

technical field [0001] The invention relates to the field of oil blending, and is especially suitable for identifying the oil blending pressure state based on the information of a plurality of pressure detection instruments in an oil blending process optimization control system, specifically an oil blending process Combined pressure state identification method. Background technique [0002] Oil blending includes two categories: crude oil blending and refined oil blending. In the optimization control system of oil blending process, accurate and reliable identification of blending operation status is the premise of realizing stable and reliable blending, and it is very important to successfully complete the optimal control of oil blending. [0003] At present, the identification of oil blending operation status is mostly based on a single detection instrument for simple judgment, such as using pressure, liquid level and flow detection instruments to identify the system pressu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00G01L15/00
Inventor 叶彦斐张晓军张勇气陈静
Owner 南京富岛信息工程有限公司
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