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AADL-based IMA system health monitoring test method

A technology for health monitoring and testing methods, applied in hardware monitoring, software testing/debugging, error detection/correction, etc., to solve problems such as lack of testing methods and lack of IMA fault management

Active Publication Date: 2020-12-22
BEIHANG UNIV
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Problems solved by technology

[0003] At present, the test scheme for the IMA system mainly adopts software simulation or simulation technology. After modeling the IMA system, it solves the problem of resource allocation in the software development stage through digital simulation. However, the existing simulation test environments are all oriented to IMA. The test environment of application software lacks fault management for IMA, especially for the three-layer fault management mechanism of IMA process level, partition level and module level. It lacks fault management modeling, use case generation, fault triggering and response collection. series of test methods

Method used

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Embodiment

[0044] The error model attachment EMA is used to model the attributes of components, connection error time and error probability, and is used to describe the reliability information of the system model operation. Information about the error state. EMA defines multiple keywords for AADL to describe system faults, fault propagation, and related attributes. In order to further describe faults and propagation conditions and relationships, EMA also adds fault / error transformation and attribute fields to achieve specified state transitions A description of the condition.

[0045] The fault information of a single component can be included in the error model attachment EMA, including the fault state of the component, the path of the fault state transition and the random parameters of the fault. The reliability information about the fault influence relationship between components includes the input and output conditions of fault propagation and the fault state transition conditions o...

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Abstract

The invention discloses an AADL-based IMA system health monitoring test method, and aims to provide corresponding test requirements for a health monitoring function in IMA fault management, use AADL to model IMA system fault management, provide fault management information for an IMA system test environment, analyze IMA fault management test cases, achieve fault triggering by modifying program codes and configuration, and therefore the health monitoring function is verified.

Description

technical field [0001] The invention relates to the technical field of software testing, and more specifically relates to a testing method for health monitoring of an IMA system based on AADL. Background technique [0002] Fault Management (FM) is one of the important functions of the IMA system, which is mainly responsible for the detection, location, isolation and elimination of faults that occur during system operation. Health monitoring software is an important part of fault management. It is provided by the operating system and is responsible for monitoring errors and faults of hardware, operating system software, and application software in the system. The basic function of health monitoring software is to detect faults. In order to test the function of health monitoring software, it is necessary to stimulate faults. When faults occur, observe whether the health monitoring software detects faults, so as to achieve the purpose of testing. [0003] At present, the test ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/30G06F11/36
CPCG06F11/302G06F11/3684
Inventor 吴玉美余正伟刁晓栩刘斌
Owner BEIHANG UNIV
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