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Fault injection and simulation verification method

A technology of fault injection and simulation verification, applied in the field of data processing, can solve problems such as undiscoverable, unresponsive, affecting the usability and reliability of electronic systems, and achieve the effect of improving usability

Pending Publication Date: 2021-02-19
中国人民解放军32181部队
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional electronic systems cannot respond to real faults in multiple working modes and working states, and cannot find where their weak links are, thus affecting the availability and reliability of electronic systems

Method used

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  • Fault injection and simulation verification method

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Embodiment Construction

[0024] The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0025] like figure 1 As shown, the present invention discloses a fault injection and simulation verification method, including:

[0026] Establish the signal flow model, analyze the signal flow model to obtain the system dependency matrix, analyze the signal flow model to obtain the fault tree model, and carry out logical reasoning and state simulation on the signal flow model to obtain the system state;

[0027] Fault input is made to the signal flow model to obtain the state data of the system.

[0028] Specifically, the signal flow model is a multi-signal model. The multi-signal model is based on the system structure and function analysis, and uses a hierarchical directed graph to represent the signal flow ...

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Abstract

The invention discloses a fault injection and simulation verification method, which comprises the following steps of: establishing a signal flow model, analyzing the signal flow model to obtain a dependence matrix of a system, analyzing the signal flow model to obtain a fault tree model, performing logical reasoning and state simulation on the signal flow model to obtain the state of the system, and performing fault input on the signal flow model to obtain state data of the system. According to the method, weak links of typical fault recognition of the electronic system can be found, indexes such as the fault detection rate and the fault isolation rate of the complex electronic system are found out, an electronic system test diagnosis design scheme is improved and optimized, and the usability and reliability of a diagnosis system are improved.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a fault injection and simulation verification method. Background technique [0002] Traditional electronic systems cannot respond to real faults in multiple working modes and working states, and cannot find where their weak links are, thus affecting the availability and reliability of electronic systems. Contents of the invention [0003] In order to solve the above problems, the present invention provides a fault injection and simulation verification method. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is as follows: [0005] A fault injection and simulation verification method, described. [0006] Optionally, establish a signal flow model, analyze the signal flow model to obtain a system dependency matrix, analyze the signal flow model to obtain a fault tree model, and perform logical reasoning and state simulation on th...

Claims

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Application Information

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IPC IPC(8): G06F11/26
CPCG06F11/261
Inventor 连光耀张西山孙江山闫鹏程李会杰张连武吕艳梅李万领梁冠辉邱文昊付久长钟华袁详波宋秦松
Owner 中国人民解放军32181部队