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Disturbance source tracing method

A technology of disturbance source and analysis method, applied in the field of disturbance source tracing, can solve the problem of high dependence on data quality, and achieve the effect of improving reliability and accuracy

Active Publication Date: 2022-02-01
IND TECH RES INST
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  • Claims
  • Application Information

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Problems solved by technology

However, the above methods have a high dependence on data quality, and the scope of analysis is limited to disturbance phenomena caused by nonlinear actions

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Embodiment Construction

[0026] Generally speaking, when different process analysis methods are used to analyze multiple candidate nodes in the system, different causal relationships between candidate nodes will be obtained, and then different topological information will be obtained. These topological information may be corrupted due to the inclusion of wrong information. There are differences. In this disclosure, the topology information obtained by various process analysis methods is analyzed through the probability distribution algorithm, and then the multiple serialized results obtained from the analysis are fused to integrate each candidate node as a disturbance source probability. The result obtained by combining multiple methods can not only reduce the probability of error, but the calculated probability can also present the possible disturbance conduction path at the same time.

[0027] The disturbance source tracing method of the present disclosure is applicable to computing devices. The c...

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Abstract

A disturbance source tracing method is suitable for tracing the disturbance source from a system including multiple candidate nodes by a computing device. In this method, the computing device obtains topological information obtained by analyzing the system through various flow analysis methods, and the topological information records the causal relationship between candidate nodes in the system. Then, the causal relationship in each topology information is imported into the probability distribution algorithm to calculate the static probability distribution of each candidate node, and integrate the static probability distribution calculated for each process analysis method to calculate the probability distribution of each candidate node as a disturbance source. Find the source of disturbance in the system from many oscillating loops.

Description

technical field [0001] The present disclosure relates to a disturbance source tracing method, and in particular to a disturbance source tracing method combining multiple topological information. Background technique [0002] Generally speaking, improper adjustment of various controller parameters in the plant, valve wear, external interference or other factors may cause disturbances in the circuit in the plant. Among them, the oscillating disturbance is a periodic phenomenon, which usually has specific amplitude and frequency characteristics. When a certain loop in the factory building oscillates for some reason, the oscillating phenomenon will spread to the surrounding associated loops and even extend to the whole plant through the feedback and transmission of control signals or materials between the loops, and the whole plant will oscillate. (plant wide oscillation) phenomenon. When the disturbance phenomenon in the whole factory continues, it may cause the process to st...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06F17/16
CPCG16Z99/00F01D21/00F04B51/00H04L41/12G06F30/18
Inventor 李俊贤郑仪诚徐振凯陈俊彦
Owner IND TECH RES INST