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Airborne heterogeneous network data recording system

A heterogeneous network and data recording technology, applied in the computer field, can solve problems such as large data volume and complex network environment, and achieve the effect of reliable data real-time storage service

Active Publication Date: 2021-12-07
TIANJIN JINHANG COMP TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inconsistent bus types and formats for the interconnection of aircraft on-board equipment, the network environment is extremely complex, and the amount of data to be recorded is large, so there is an urgent need for an aircraft with uniform data format, high reliability, and convenient data analysis after flight. Heterogeneous Network Data Recording System

Method used

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  • Airborne heterogeneous network data recording system
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  • Airborne heterogeneous network data recording system

Examples

Experimental program
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Embodiment 1

[0095] The airborne heterogeneous network topology involved in this embodiment is as attached figure 1 As shown, there are three kinds of communication networks between the airborne equipment 1 to the airborne equipment N and the recording equipment, which are respectively FC bus network, 485 bus network and Ethernet network, and the airborne heterogeneous network data recording system proposed by the present invention runs on the on-board recording device.

[0096] The software architecture of the airborne heterogeneous network data recording system is attached figure 2 As shown, it includes the following modules: data acquisition module, data transmission module, and data recording module.

[0097] The data acquisition module includes the FC bus preprocessing module, the 485 bus preprocessing module and the Ethernet preprocessing module. The data acquisition module completes the self-inspection of the CPU, memory and storage card of the device through read and write access...

Embodiment 2

[0123] This embodiment provides an airborne heterogeneous network recording system, and its applicable network includes three kinds of network data channels, namely FC network, 485 bus network and Ethernet.

[0124] The system includes a data acquisition module, a data transmission module and a data recording module.

[0125] The data acquisition module completes the self-inspection of the device CPU, internal memory and memory card through read-write access, completes the inspection of the internal hardware of the device through the power-on self-inspection mechanism, and utilizes the space management when power-on to ensure that each power-on The equipment has enough storage space to store data, collect and quantify the bus data in the heterogeneous network through the data transmission module, and send the preprocessed data to the data recording module through the data transmission module.

[0126] The data transmission module mainly completes network initialization operati...

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Abstract

The invention belongs to the technical field of computers, and particularly relates to an airborne heterogeneous network data recording system which comprises a data acquisition module, a data transmission module and a data recording module. The system can collect and record bus data and key signals in an airborne heterogeneous network in real time, check internal hardware of equipment through a power-on self-test mechanism, ensure that the equipment has enough storage space to store data every time the equipment is powered on by utilizing space management during power-on, and by adopting a redundancy write-in mechanism, reliable data real-time storage service is provided, and a basis is provided for problems occurring in the aircraft flight training process through data playback display on the ground.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to an airborne heterogeneous network data recording system. Background technique [0002] During the flight of the aircraft, the airborne equipment is interconnected through various buses, and various types of data are generated accordingly. In order to facilitate post-flight data processing and analyze the performance and failure of the airborne equipment, it is necessary to Record all kinds of data exchanged between airborne equipment. Due to the inconsistent bus types and formats for the interconnection of aircraft on-board equipment, the network environment is extremely complex, and the amount of data to be recorded is large, so there is an urgent need for an aircraft with uniform data format, high reliability, and convenient data analysis after flight. Load heterogeneous network data recording system. Contents of the invention [0003] (1) Technical problems t...

Claims

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Application Information

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IPC IPC(8): G07C5/08H04L29/08H04L12/40H04L29/06
CPCG07C5/085H04L12/40006H04L63/0428H04L2012/4028H04L67/565
Inventor 李谦袁盾贾磊刘康
Owner TIANJIN JINHANG COMP TECH RES INST
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