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Evidence synthesis method and module, and multiple Agent diagnosis system

A synthesis method and technology of a diagnosis system, which are applied in the field of module and multi-agent diagnosis system and evidence synthesis method, can solve the problem that the multi-source evidence cannot be effectively synthesized.

Active Publication Date: 2018-05-22
ARMY ENG UNIV OF PLA
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Problems solved by technology

In general, these methods can be divided into two categories: one is that there is no problem with the Dempster synthesis rules, and the evidence given needs to be modified, such as the Murphy method; the other is that there is a problem with the Dempster synthesis rules, and the synthesis rules need to be modified. Such as the Yager method, but these methods do not fundamentally solve the problem of evidence conflicts, to a certain extent solve the problem of evidence conflicts, but at the same time bring new problems, and cannot realize the effective synthesis of multi-source evidence

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  • Evidence synthesis method and module, and multiple Agent diagnosis system
  • Evidence synthesis method and module, and multiple Agent diagnosis system
  • Evidence synthesis method and module, and multiple Agent diagnosis system

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Embodiment Construction

[0068] The object of the present invention is to provide an evidence synthesis method, a module and a multi-Agent diagnosis system, so as to realize the effective synthesis of multi-source evidence.

[0069] In order to make the above objects, features and advantages of the present invention more comprehensible, the technical invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0070] Such as figure 1 Shown, the present invention provides a kind of evidence synthesis method, described evidence synthesis method comprises the following steps:

[0071] Step 101, obtaining an evidence set;

[0072] Step 102, calculating the distance between every two pieces of evidence in the evidence set;

[0073] Step 103, calculating the similarity between each two evidences according to the distance between each two evidences;

[0074] Step 104, calculating the support degree of each evidence according to the similarit...

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Abstract

The invention discloses an evidence synthesis method and module, and a multiple Agent diagnosis system. The evidence synthesis method includes the steps: calculating the distance between every two evidences in an evidence set; according to the distance between every two evidences, calculating the similarity between every two evidences; according to the similarity between every two evidences, calculating the support degree of each evidence; according to the support degree of each evidence, calculating the credibility of each evidence; and taking the credibility of each evidence as weight, performing weighted average on the elementary probability assignment of the evidences in the evidence set, and synthesizing the evidences in the evidence set so as to solve the conflict problem of evidences and realize valid synthesis of multi-source evidences.

Description

technical field [0001] The invention relates to the field of multi-Agent diagnosis, in particular to an evidence synthesis method, a module and a multi-Agent diagnosis system. Background technique [0002] Dempster's combination rule has always been an important and difficult problem that plagues the theory of evidence, which is directly related to the practicability of the theory of evidence. In the process of multi-agent parallel diagnosis, the existence of conflict is inevitable. For the synthesis of highly conflicting and completely conflicting evidence, the synthesis result may be incorrect if the conflicting evidence is negated or one of the conflicting evidences is negated only. Therefore, how to realize the effective synthesis of multi-source evidence in the case of highly conflicting and completely conflicting evidence is an urgent problem to be solved, and many scholars have proposed many different ideas and methods for improvement. In general, these methods can ...

Claims

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Application Information

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IPC IPC(8): G06K9/62
CPCG06F18/22
Inventor 李鸣段修生杨青付强徐艳赵喜
Owner ARMY ENG UNIV OF PLA
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