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Airborne equipment testability test implementation sample library generation method

A test test and airborne equipment technology, which is applied in the field of airborne equipment test test implementation sample library generation, can solve problems such as inability to carry out test tests well, and achieve the effect of reliable sample data

Pending Publication Date: 2022-03-22
CHINA AERO POLYTECH ESTAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, there is no good method to carry out experiments to implement the establishment of a sample library, so it is impossible to carry out test experiments well.

Method used

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  • Airborne equipment testability test implementation sample library generation method
  • Airborne equipment testability test implementation sample library generation method
  • Airborne equipment testability test implementation sample library generation method

Examples

Experimental program
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Embodiment Construction

[0031] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0032] Specifically, the present invention provides a method for generating an airborne equipment testing test implementation sample library, such as figure 1 As shown, it includes the following steps:

[0033] S1. According to the failure mode of the test sample, analyze the cause of the failure at the lower level, obtain multiple failure reasons, and use the test sample as an alternative implementation sample;

[0034] S2. Determine the implementation sample and its execution times among the multiple alternative implementation samples in step S1, specifically including the following sub-steps:

[0035] S21. Assume that a certain test sample is a certain failure mode M 1 , which has n failure causes, that is, n alternative implementation samples, and the sample size of the test sample is N after sampling or distribution calculation 1 , at the same time, assuming tha...

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Abstract

The invention provides an airborne equipment testability test implementation sample library generation method, which comprises the following steps of: S1, analyzing fault causes of a lower layer according to a fault mode of a test sample to obtain a plurality of fault causes, and taking the test sample as an alternative implementation sample; s2, determining an implementation sample and the number of execution times of the implementation sample in the plurality of alternative implementation samples in the step S1; s3, analyzing injection means and injection types which can be implemented in the implementation sample; s4, determining a fault injection success criterion of the implementation sample; s5, determining a detection criterion / isolation criterion; and S6, establishing a sample library. According to the invention, a sample generation method can be provided for the airborne equipment testability test, so that the accuracy of the test can be ensured.

Description

technical field [0001] The invention relates to the field of airborne equipment testing, in particular to a method for generating a sample library for implementing testability tests of airborne equipment. Background technique [0002] Testability refers to a design feature that a product can accurately determine its working status in a timely manner and effectively isolate its internal faults. In order to analyze, verify or evaluate the testability design level of the product, the infield testability test under laboratory conditions can be carried out, that is, a certain number of samples of faults are injected into the product, and the fault detection and isolation are carried out with the test method specified in the testability design. Through statistical analysis of the results, evaluate the testability design level of the product, analyze whether the design meets the requirements, and identify design defects and problems. [0003] How to determine the number of samples...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/36
CPCG06F11/3684G06F11/3688G06F11/3692
Inventor 刘萌萌张艺琼宋成军
Owner CHINA AERO POLYTECH ESTAB
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