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A method for evaluating the credibility of complex simulation systems based on network topology paths

A technology for simulating system and network topology, applied in the field of system simulation, can solve problems such as reliability reduction, reliability of complex equipment simulation system, reduction of reliability of simulation system, etc.

Active Publication Date: 2021-04-20
BEIHANG UNIV
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Problems solved by technology

However, while it produces new capabilities through integration and interaction, new problems may also arise, such as the overall credibility of the complex equipment simulation system; the risk of credibility reduction that may be faced by the interactive relationship between systems; The cascading effect brought about by the propagation and transformation of low credibility in the system leads to a decrease in the credibility of the simulation system

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  • A method for evaluating the credibility of complex simulation systems based on network topology paths
  • A method for evaluating the credibility of complex simulation systems based on network topology paths
  • A method for evaluating the credibility of complex simulation systems based on network topology paths

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Embodiment Construction

[0039] The specific implementation method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] Aiming at the problem that the existing theory is difficult to evaluate the credibility of the complex simulation system, the invention proposes a new method for evaluating the credibility of the complex simulation system based on the network topology path. The evaluation method first analyzes the information interaction between each component model in the complex simulation system, and establishes a directed and authorized model interaction network reflecting the interaction; the analysis of the model interaction network, because different nodes are located in the model interaction network are different, resulting in different importance, calculate the node out-degree, and use the node with a larger out-degree as the initial node; continue to select subsequent nodes according to the initial node until the end node is selec...

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Abstract

The invention discloses a method for evaluating the credibility of a complex simulation system based on a network topology path, belonging to the field of system simulation. Under the condition that the reliability of a single model node is known, the reliability of the entire complex simulation system is quantified. Firstly, the information interaction relationship between component models in the complex simulation system is analyzed, and the weight of the edges between nodes is calculated according to objective indicators, and the complex simulation system is abstracted into a directed and authoritative model interaction network. Calculate the out-degree of each node in the model interaction network, select the node with a larger out-degree as the initial node, start from the initial node, obtain different single execution paths, and calculate the credibility of the single execution path, and integrate all execution paths The credibility of the path can be used to obtain the credibility of the simulation system. The invention solves the problem that it is difficult to quantitatively analyze the reliability evaluation of a complex equipment simulation system characterized by complex mechanisms, complex input and output variables, and strong uncertainty.

Description

technical field [0001] The invention belongs to the field of system simulation, and relates to a method for evaluating the credibility of a complex simulation system, in particular to a method for evaluating the credibility of a complex simulation system based on a network topology path. Background technique [0002] The reliability assessment technology of simulation system has developed to the present stage, and the method for the credibility assessment of single-model simulation system is relatively mature. However, in recent years, with the complexity of simulation objects and the improvement of user requirements for the application of simulation systems, simulation technology has entered a new stage focusing on complex system simulation. How to analyze the interaction relationship between component models when the reliability of a single simulation model is known, and then evaluate the reliability of the entire complex simulation system is a major problem at present. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 李妮张旭恩龚光红
Owner BEIHANG UNIV
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