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FADEC software safety analysis method and device

An analysis method and security technology, applied in the field of FADEC software security analysis, which can solve problems such as inability to FADEC software security analysis

Inactive Publication Date: 2019-03-26
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the problem that the above-mentioned existing methods cannot perform accurate and comprehensive security analysis on FADEC software or at least partially solve the above-mentioned problems, an embodiment of the present invention provides a FADEC software security analysis method and device

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  • FADEC software safety analysis method and device
  • FADEC software safety analysis method and device

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Embodiment Construction

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] Provide a kind of FADEC software security analysis method in one embodiment of the present invention, figure 1 The overall flow diagram of the FADEC software security analysis method provided by the embodiment of the present invention, the method includes: S101, analyze the FADEC software based on the FHA method, and obtain the high-level d...

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Abstract

The embodiment of the invention provides a FADEC software safety analysis method and device. The method comprises the following steps: analyzing the FADEC software based on the FHA method to obtain the high-level dangerous event and the high-level dangerous event safety requirements of the FADEC software; Based on FTA method, according to the safety requirements of high-level hazard events and high-level hazard events, the safety requirements of middle-level hazard events, bottom-level hazard events, middle-level hazard events and bottom-level hazard events of FADEC software are obtained, andconstructing the fault tree. The AND-gate events in the fault tree are analyzed based on the CMA method. If all AND-gate events in the fault tree satisfy the preset independence requirement, anayzlingthe hazardous events in the bottom layer based on the FMEA method. According to the analysis results of each bottom hazard event, judging whether the FADEC software meets the preset security requirements. The embodiment of the invention is more comprehensive to the safety analysis of the FADEC software, and the result is more accurate.

Description

technical field [0001] Embodiments of the present invention belong to the technical field of aviation airborne software security, and more specifically, relate to a FADEC software security analysis method and device. Background technique [0002] FADEC (Full Authority Digital Engine Control, full authority digital engine control) software is used for control, monitoring, indication and data extraction of startup, operation and shutdown, and also records and stores the parameters of each startup of APU (Accelerated Processing Unit, accelerated processor) and fault information. Therefore, before using FADEC software, it is of great significance to analyze the safety of FADEC software. [0003] At present, the logical security of FADEC software is analyzed using NuSMV detection tools, FHA (Function Hazard Analysis, functional hazard analysis), FTA (Fault Tree Analysis, fault tree analysis), CMA (Common Mode Analysis, common mode analysis) ) or FMEA (Failure Mode and Effect An...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/56G06F11/36
CPCG06F11/3608G06F21/562
Inventor 钟德明丁玉新孙睿
Owner BEIHANG UNIV
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