Reliability analysis method for reconfigurable system

A technology for reconstructing systems and analysis methods, applied in the field of information processing, can solve problems such as complex reliability analysis of integrated systems, difficult random fault measurement, etc., and achieve the effect of easy to understand and accurate reliability estimation

Pending Publication Date: 2021-06-29
中航机载系统共性技术有限公司
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Problems solved by technology

[0004] The introduction of reconfiguration makes the reliability analysis of integrated systems more complicated. Although some reliability analysis methods have been applied to reconfigured systems, including reliability block diagrams and fault tree analysis, etc.
However, these analysis methods cannot accurately describe the dependency

Method used

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  • Reliability analysis method for reconfigurable system
  • Reliability analysis method for reconfigurable system
  • Reliability analysis method for reconfigurable system

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[0040] The technical solutions in the embodiments of the present invention will be apparent from the embodiments of the present invention, which will be described below, as will be described herein, not all of the embodiments of the invention, not all of the embodiments of the invention. Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.

[0041] A reliability analysis method for a reconfibentable system, characterized in that the following steps are included:

[0042] 1) Analyze systemism and configuration, obtain troubleshooting, including the following steps:

[0043] 1.1) Analyze system and work task mode;

[0044] 1.2) Analyze system configuration, the system configuration includes system logical configuration and system physical configuration, where system logical configuration defines a series of processes, given system or subsystem functions, application Resource ...

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Abstract

The invention discloses a reliability analysis method for a reconfigurable system, and the method comprises the following steps: 1), analyzing system functions and configuration through employing a system theory method, and obtaining a fault demand; 2) using an AADL/Simulink tool to establish a software model for a reconstruction mode and a reconstruction demand; 3) analyzing the reliability of the reconfigurable system by adopting a Markov method; and 4) realizing reliability measurement by adopting a model simulation verification method and a target machine test method. The invention belongs to the technical field of information processing, and provides a reliability analysis method for the reconfigurable system, which is used forperforming functional modeling and fault mode modeling on a reconfigurable demand by taking the reconfigurable demand of a system as input and using a model, performing reliability analysis on the reconfigurable system based on a Markov process and achieving more accurate reliability estimation and analysis on the reconfigurable system.

Description

technical field [0001] The invention belongs to the technical field of information processing, and specifically refers to a reliability analysis method for reconfigurable systems. Background technique [0002] The reconfigurable system has become one of the indispensable technologies of today's airborne equipment due to its advantages of flexible functions and balanced computing performance. At the same time, the introduction of reconfiguration makes its quality analysis and evaluation techniques such as Concerned by relevant practitioners and technicians, reconfiguration is a fault-tolerant mechanism. Equipment system reconfiguration refers to the ability of the system to change its own functions to adapt to environmental changes after the internal or external environmental conditions of the equipment system change. Through system reconfiguration , when a system component, whether it is a hardware or a software component, fails, the equipment system will switch from one res...

Claims

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Application Information

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IPC IPC(8): G06F8/10G06F8/20
CPCG06F8/10G06F8/20
Inventor 牟明田川牛文生田莉蓉于峰贺莹
Owner 中航机载系统共性技术有限公司
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