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Nuclear flexible manifold embedding electric smelting magnesium furnace fault monitoring method

A fault monitoring and fused magnesia furnace technology, applied in furnaces, charge materials, crucible furnaces, etc., can solve the problems of insufficient use of process monitoring, affecting the effect of monitoring, and difficulty for workers to achieve, so as to achieve improved monitoring effects and effective failures. Diagnose and realize the effect of monitoring

Active Publication Date: 2017-06-30
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the production process, experienced workers can ensure safe production and obtain high-quality products. However, it is difficult for ordinary workers to achieve such production effects. Therefore, how to use the experience and knowledge of experienced workers to realize industrial production monitoring , has become an important research direction
In recent years, a large amount of high-dimensional data has been obtained through a reliable data acquisition system. However, when using data to detect faults, the large amount of data and the large dimension have become important factors affecting the effect of process monitoring. When monitoring, reducing the data dimension has become a very important issue, which directly affects the effect of actual process monitoring
In the past few years, many process monitoring algorithms have been proposed, but these algorithms do not make full use of the experience and knowledge of old workers to realize the actual industrial process monitoring.

Method used

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  • Nuclear flexible manifold embedding electric smelting magnesium furnace fault monitoring method
  • Nuclear flexible manifold embedding electric smelting magnesium furnace fault monitoring method
  • Nuclear flexible manifold embedding electric smelting magnesium furnace fault monitoring method

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Embodiment Construction

[0048] The present invention will be further elaborated below in conjunction with the accompanying drawings of the description.

[0049] Such as figure 1 As shown, a nuclear flexible manifold embedded fused magnesium furnace failure monitoring method of the present invention comprises the following steps:

[0050] Collect various fault data and normal data;

[0051] Carry out offline modeling, obtain the KICA monitoring model according to the collected data, and train the KFME fault diagnosis model;

[0052] Online monitoring, using the KICA monitoring model for real-time online monitoring and collecting process data;

[0053] If a fault is detected, fault identification is performed through the KICA monitoring model;

[0054] If a fault is detected, a fault monitoring process ends.

[0055] If no fault is identified, analyze and mark the undiagnosed fault data, and go to the step of training the KFME fault diagnosis model.

[0056] Among them, the KICA monitoring model i...

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Abstract

The invention relates to a nuclear flexible manifold embedding electric smelting magnesium furnace fault monitoring method. The method comprises the steps that various kinds of fault data and normal data are collected; offline modeling is carried out, a KICA monitor model is acquired according to the collected data, and a KFME fault diagnosis model is trained; online monitoring is carried out, the KICA monitor model is utilized for carrying out real-time online monitoring, and process data are collected; if faults are monitored, a KFME monitor model is used for carrying out fault recognition; if faults are recognized, a one-time fault monitoring process is finished; and if no fault is recognized, non-diagnosed fault data are analyzed and marked, and the step of training the KFME fault diagnosis model is executed through jump. By means of the method, a small quantity of marked data and a large quantity of non-marked data are utilized for building a process monitoring model, the model is more accurate, data dimension reduction and original data information retention can be achieved well, the accuracy and antijamming capability of the fault diagnosis model are improved, and unknown faults are monitored.

Description

technical field [0001] The invention relates to a fault monitoring and diagnosis technology for an electric fused magnesium furnace, in particular to a fault monitoring method for a nuclear flexible manifold embedded in an electric fused magnesium furnace. Background technique [0002] In my country, the production process of magnesium oxide is poorly automated, complicated, and has characteristics such as nonlinear, non-Gaussian, and strong coupling, and is prone to failure, resulting in huge economic losses. An effective process monitoring method is urgently needed Predict the production status, reduce the failure rate, and reduce economic losses. In recent years, with the development of computers and automation, the data in the production process can be preserved, and the safety of production has been paid more and more attention. A class of data-driven process monitoring methods using a large amount of historical data has received widespread attention and has become a re...

Claims

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Application Information

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IPC IPC(8): F27B14/20
CPCF27B14/20F27M2001/01F27M2003/13
Inventor 张颖伟杨旭高陶
Owner NORTHEASTERN UNIV
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