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A Risk Assessment Method Based on Multi-agent System

A risk assessment and risk technology, applied in the field of systems engineering, can solve the problems of lack of self-adaptation and dynamic evolution characteristics of the model, and achieve the effect of improving reliability, strong applicability, and deepening understanding

Inactive Publication Date: 2015-11-18
BEIHANG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the current complex product design process model lacks self-adaptability and dynamic evolution characteristics, and combines bottom-up and top-down design methods to propose a risk assessment method based on a multi-agent system

Method used

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  • A Risk Assessment Method Based on Multi-agent System
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  • A Risk Assessment Method Based on Multi-agent System

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example

[0086] The technical solution of the present invention will be further described below in combination with a risk assessment calculation example based on a multi-agent system.

[0087] Apply the method provided by the invention, described risk assessment method comprises the following steps:

[0088] 1. Build a multi-Agent hierarchical model and implement the model on the Repast platform. In this use case, the model is divided into two layers, and the specific hierarchical structure is as follows Figure 5-Figure 8 shown. in Figure 5 is the top-level structure of the model, Image 6 is the specific subsystem of P1 node, Figure 7 is the specific subsystem of the P2 node, Figure 8 It is the specific subsystem of the P4 node.

[0089] 2. Agent material interaction model design

[0090] Here, T, C, and P are in a linear relationship, and the specific relationship is shown in formula 9.

[0091] P = ...

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Abstract

The invention discloses a risk assessment method based on a multi-Agent system, which belongs to the technical field of system engineering. The method comprises the following steps: firstly, conducting mold division for a complex product design process, and designing for matter interaction mold of Agent; secondly, conducting type division for the Agent, and designing for the effect mechanism of a risk event in the product design process; and finally, simulating run to obtain the risk assessment for the complex product design formation process. The method can satisfy the adaptivity and the dynamic evolution property of the complex product design process, so as to more match a real process; and the risk effect mechanism provided by the method matches the shock and the spreading process of the risk event in the real process, so as to facilitate the deep knowing of the risk event for a modeler and an evaluation expert, and improve the confidence level of the risk assessment of the complex product design process.

Description

technical field [0001] The invention designs a risk assessment method based on a multi-agent system, which belongs to the technical field of system engineering. Background technique [0002] Modern complex product design has the characteristics of three highs: high investment, high technical content, and high complexity. The project management of complex product development often relies on large and small contractors to complete together. There are many types of risks faced by the development, and the relationship between various risks is intricate, and the occurrence of risk events is uncertain. It is uncertain what environmental conditions will occur and the extent to which the risk will affect the development project. Therefore, in order to reduce the difficulty of experts' discussion and improve the credibility of the results of the discussion, it is necessary to use relevant systematic methods to describe the development process in an intuitive way and help experts to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 李妮李祥龚光红孙铭慧
Owner BEIHANG UNIV
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