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IMA system dynamic reconfiguration policy multi-characteristic analysis method

A characteristic analysis and system dynamic technology, applied in CAD circuit design, special data processing applications, architecture with a single central processor, etc., can solve problems such as lack of real-time analysis methods, reduce the difficulty of reconfiguration and configuration, and improve efficiency and reliability effects

Active Publication Date: 2018-06-01
CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
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Problems solved by technology

At present, the reliability research of IMA mainly focuses on the reliability design of the system architecture, and proposes some methods based on ARINC653 and ASSAC specification design systems to improve reliability; but these methods lack a universal reliability analysis method to Do reliability analysis and calculation work
In view of the real-time requirements of the system, the existing analysis methods are limited to analyzing whether the time constraints of task processes under different reconfiguration configurations are satisfied through configuration information simulation, lacking a model-based real-time analysis method for dynamic reconfiguration configurations of the system as a whole

Method used

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Embodiment Construction

[0032] The present invention will be further described in detail below with reference to the drawings and embodiments. The embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0033] Existing analysis methods for IMA software reconfiguration are limited to simply generating configuration files with a model containing configuration information, and directly analyzing the schedulability and resource constraints under different configurations through configuration information simulation. It can only judge whether the system reconfiguration configuration is functionally available, but cannot analyze and judge the advantages and disadvantages of different configurations in terms of reliability, real-time performance, and interaction complexity, and lacks a multi-feature comprehensive analysis method for the IMA software reconfiguration process . The present invention aims at the requirements...

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Abstract

The invention discloses an IMA system dynamic reconfiguration policy multi-characteristic analysis method. The method comprises the following steps of based on an IMA system dynamic reconfiguration policy model, adding corresponding attributes of performing reliability and timeliness analysis to form an IMA system dynamic reconfiguration policy multi-characteristic analysis AADL model; performingreliability analysis, timeliness analysis, interactive complexity analysis and time-space coupling characteristic analysis on the IMA system dynamic reconfiguration policy multi-characteristic analysis AADL model; and integrating reliability, timeliness, interactive complexity and time-space coupling characteristic analysis results, and evaluating a dynamic reconfiguration policy of an IMA system.By performing comprehensive screening on the reliability, timeliness, interactive complexity and time-space coupling characteristic analysis of the IMA system, a reconfiguration scheme meeting a multi-characteristic optimization requirement is obtained.

Description

technical field [0001] The present invention relates to an integrated avionics system reconfiguration design method in avionics system design, in particular to an analysis of the reliability, real-time performance, interactive complexity, and time-space coupling characteristics of the dynamic reconfiguration configuration of an integrated avionics system The multi-characteristic analysis method belongs to the field of comprehensive electronic system design. technical background [0002] The avionics system involves functions such as communication, navigation, identification, detection, flight management, and display control, and provides pilots with comprehensive and accurate battlefield situation information to enhance the pilot's ability to identify, monitor, analyze, and respond to potential threats in the battlefield environment. It is the central nervous system of the entire fighter. The development of avionics has gone through several stages of discrete, combined, int...

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Application Information

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IPC IPC(8): G06F15/78G06F17/50
CPCG06F15/7871G06F30/20G06F2117/08
Inventor 周庆詹志娟洪蓉李铁颖
Owner CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
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