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Dual computer fault-tolerant backup method and device for airborne network management end, and storage medium

An airborne network and storage medium technology, which is applied in the field of avionics system airborne network, can solve the problems that the cold backup mode cannot automatically switch the management terminal, the modules are temporarily offline at the same time, and affect the flight, etc., so as to shorten the switching time and reduce the complexity , the effect of improving usability

Inactive Publication Date: 2019-04-12
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both hot backup and duplex backup require the arbitration module to make output judgments, and the implementation is more complicated
The cold backup and warm backup methods are easy to implement, but for this system, the cold backup method cannot automatically switch the management terminal, and requires pilot intervention, which affects flight
The initialization of the backup module during the switching of the warm backup mode will cause all modules to be offline for a short time at the same time, resulting in false alarms

Method used

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  • Dual computer fault-tolerant backup method and device for airborne network management end, and storage medium
  • Dual computer fault-tolerant backup method and device for airborne network management end, and storage medium

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Embodiment Construction

[0049] The present invention aims at cascading double-redundant AFDX network avionics system architecture, adopts the SNMP protocol widely used in traditional TCP / IP networks, and realizes a dual-machine AFDX network management terminal between warm backup and hot backup For the backup function, the main technical solutions adopted are as follows:

[0050] 1) Two-machine interchange and main module selection

[0051] For the consideration of field maintainability, the airborne equipment adopts LRM (field replaceable module) structural design, and the network management terminals are respectively located on the general processing modules of the integrated core processors on the left and right sides. The processors are interchangeable, and the general-purpose processing modules inside the integrated processor are interchangeable, so the network management terminal is designed as an interchangeable structure with exactly the same software and hardware.

[0052] On this basis, it...

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Abstract

The invention belongs to the technical field of avionics system airborne networks, and specifically relates to a dual computer fault-tolerant backup method and device for an airborne network management end, and a storage medium. The method can comprise the following steps: acquiring a first online state result of equipment managed by a first management end, wherein the first online state result isa phased result of the operation of the first management end; and sending a heartbeat message of the first management end to a second management end, and the heartbeat message of the first managementend carries the first online state result, wherein the first management end is a main management end, and the second management end is a backup management end of the first management end. According to the embodiment of the invention, the usability of a system is improved, meanwhile, the introduction of an arbitration module is avoided, and the complexity of the system is reduced.

Description

technical field [0001] The invention belongs to the field of airborne network technology of avionics systems, and in particular relates to a dual-machine fault-tolerant backup method, device and storage medium of an airborne network management terminal. Background technique [0002] Airborne avionics systems carry most of the tasks on modern aircraft, including communication, navigation, radar, electronic warfare, flight control, etc. With the rapid development of avionics technology, airborne avionics systems are gradually evolving towards software integration and hardware modularization, and the new generation of avionics systems has entered the stage of Integrated Modular Avionics (IMA, Integrated Modular Avionics). Avionics Full Duplex Switched Ethernet (AFDX) is a common network form under the comprehensive modular avionics system architecture. It has the characteristics of full duplex, high data rate and dual redundancy. Compared with the traditional airborne bus that...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/0663H04L41/0695H04L43/10
Inventor 郝玉锴牟明王建宇黄保垒吴姣李向东
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA