CN106713093B - A kind of avionics data distribution model and method - Google Patents

A kind of avionics data distribution model and method Download PDF

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Publication number
CN106713093B
CN106713093B CN201611140106.7A CN201611140106A CN106713093B CN 106713093 B CN106713093 B CN 106713093B CN 201611140106 A CN201611140106 A CN 201611140106A CN 106713093 B CN106713093 B CN 106713093B
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data
function module
bus
module
access control
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CN106713093A (en
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卢山
张军才
郑涛
周斌
张双
王辰娇
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Xian Aeronautics Computing Technique Research Institute of AVIC
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Xian Aeronautics Computing Technique Research Institute of AVIC
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40267Bus for use in transportation systems
    • H04L2012/4028Bus for use in transportation systems the transportation system being an aircraft

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Debugging And Monitoring (AREA)
  • Computer And Data Communications (AREA)

Abstract

The patent belongs to computer software-system software field.The present invention provides a kind of avionics data distribution model and method, solves the data receiver between the avionics interface module of airborne information management system and all kinds of avionics buses, and into system application software data distribution problem.Wherein, a kind of avionics data distribution model, comprising: function of initializing module (101), communication function module (102), protocol analysis functional module (103), agreement assembling functional modules (104), access control function module (105), bus processing function module (106), health monitoring functional module (107).

Description

A kind of avionics data distribution model and method
Technical field
The patent belongs to computer software-system software field.
Background technique
With extensive application of the information technology in civil avionics system, in order to which to aircraft utilization person, (such as aircraft is transported Seek quotient, pilot, maintenance personnel etc.) more, more convenient, more intelligent service is provided, introduce it is being made of different platform, by The onboard networks service system of ethernet network building, forms the environment of the opening of a vacant lot one.
Information management system provides network connection and management between system and avionics system, is also information management system inside Equipment provides network connection and management.Information management system can support airplane operation and maintenance;It can be real by electron-transport function Existing aircraft system quickly updates;It can be wirelessly transferred the information of Stake Holders, realize the integration of vacant lot information.
Summary of the invention
The purpose of the present invention:
The present invention provides a kind of avionics data distribution model and method, solves the avionics interface mould of airborne information management system Data receiver between block and all kinds of avionics buses, and into system application software data distribution problem.
Technical solution of the present invention:
A kind of avionics data distribution model, comprising:
Function of initializing module (101), communication function module (102), protocol analysis functional module (103), agreement assembling Functional module (104), access control function module (105), bus processing function module (106), health monitoring functional module (107);
Function of initializing module (101): the initialization to all buffer areas is completed;Complete the load and access of configuration file The initialization of control table;To communication function module (102), access control function module (105), bus processing function module (106), health monitoring functional module (107) carries out resource allocation and starting;
Communication function module (102): as the request message of received server-side application software, and by the request message In write request data buffer zone;The response message that agreement assembling functional modules (104) generate is sent to application software;It is interviewed It asks that control function module (105) are called, generates the response message of request message and the data message of forwarding publication;
Protocol analysis functional module (103): the request message is read from request data buffer areas, to the request message Parsing, and by the information input parsed to access control function module (105);
Agreement assembling functional modules (104): it is called by communication function module (102), for generating the request message Response message;
Access control function module (105): the information of protocol analysis functional module (103) parsing, the packet are received Include the request type and authentication information of request message;Access control function module (105) is according to access control list and described Authentication information carries out authentication to the request message;If authentication fails, communication function module (102) are called The response message for generating request message is sent to application software;In the case where authentication passes through, if the request message Request type is registration, then IP-Bus mapping table is written in registration information by access control function module (105);If the request report The request type of text is write-in, then the data write bus in the request message is written access control function module (105) Data buffer zone;If the request type of the request message is publication, access control function module (105) will be from respective bus Data are read in data buffer zone, and according to IP-Bus mapping table, call communication function module (102) to forward to application software and issue Data message;Access control function module (105) periodically reads the data in bus data buffers, and according to IP- Bus mapping table issues data to application software;
Bus processing function module (106): ARINC717 data, A429 data, RS422 data and measures of dispersion evidence are completed Acquisition and distribution;Bus processing function module (106) reads all kinds of bus datas, and the data read are put into bus data In buffer area;Bus processing function module (106) reads the data in bus write-in data buffer zone, and writes data into phase It answers in bus;
Health monitoring functional module (107): different to what is occurred in program for completing to all monitoring in operation module Reason condition is handled, and forms the running log of system.
Information in access control list when function of initializing module (101) loading configuration file by obtaining.
A kind of avionics data distributing method, comprising:
The initialization of step 1, completion to all buffer areas;Complete configuration file load and access control list it is initial Change;Function of initializing module (101) is completed to communication function module (102), access control function module (105), bus processing Functional module (106), the resource allocation and starting work of health monitoring functional module (107);
Step 2, communication function module (102) receive the request message from application software, and the request message are put Enter request data buffer areas;
Step 3, protocol analysis functional module (103) read the request message from request data buffer areas, ask to described Seek packet parsing, and by the information input parsed to access control function module (105);Access control function module (105) Authentication is carried out to the request message by access control list and authentication information;If authentication fails, call The response message that communication function module (102) generates request message is sent to application software;In the feelings that the authentication passes through Under condition, if the request type of the request message is registration, IP- is written in registration information by access control function module (105) Bus mapping table;If the request type of the request message is write-in, access control function module (105) reports the request Data buffer zone is written in data write bus in text;If the request type of the request message is publication, access control function Energy module (105) will read data from respective bus data buffer zone, and according to IP-Bus mapping table, call communication function module (102) to the data message of application software forwarding publication;It is slow that access control function module (105) periodically reads bus data The data in area are rushed, and issue data to application software according to IP-Bus mapping table.
Step 4, bus processing function module (106) complete ARINC717 data, A429 data, RS422 data and discrete Measure the acquisition and distribution of data;Bus processing function module (106) reads all kinds of bus datas, and the data read are put into always In line data buffer zone;Bus processing function module (106) reads the data in bus write-in data buffer zone, and data are write Enter into respective bus;
Step 5, health monitoring functional module (107) persistently monitor all module status being currently running, to abnormal shape State is handled, and forms the running log of system.
The present invention has the advantage that effect:
The design it is available following in use the utility model has the advantages that
1) the highly reliable of system high reliability: ensure that by design to buffer area and health monitoring functional module Property.The design of buffer area balances the unequal problem of producers and consumers' rate well.Health monitoring function can be located The exception of reason system, and log information is generated for system.
2) safe and efficient: access control machine carries out authentication to registration request message and write-in message, and it is invalid not handle Request.System uses high concurrent model, the utilization rate of CPU is preferably improved, to improve avionics interface service software High efficiency.
3) it is easy to extend: flat with the operation of specific software and hardware since the design method is mainly started with design from architectural framework Platform is unrelated, is readily extended to other airborne systems or equipment.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is buffer models schematic diagram of the invention.
Fig. 3 is access control model schematic diagram of the invention.
Fig. 4 is IP-Bus mapping table schematic diagram of the invention.
Specific embodiment
A kind of avionics data distribution model, as shown in Figure 1, comprising:
Function of initializing module (101), communication function module (102), protocol analysis functional module (103), agreement assembling Functional module (104), access control function module (105), bus processing function module (106), health monitoring functional module (107);
Function of initializing module (101): complete to all buffer areas (design of buffer area as shown in Fig. 2, the design so that There are compatibility and higher access efficiency well in buffer area) initialization;Complete the load and access control of configuration file The initialization of table;To communication function module (102), access control function module (105), bus processing function module (106) is good for Health monitoring function module (107) carries out resource allocation and starting;
Communication function module (102): as the request message of received server-side application software, and by the request message In write request data buffer zone;The response message that agreement assembling functional modules (104) generate is sent to application software;It is interviewed It asks that control function module (105) are called, generates the response message of request message and the data message of forwarding publication;
Protocol analysis functional module (103): the request message is read from request data buffer areas, to the request message Parsing, and by the information input parsed to access control function module (105);
Agreement assembling functional modules (104): it is called by communication function module (102), for generating the request message Response message;
Access control function module (105): the information of protocol analysis functional module (103) parsing, the packet are received Include the request type and authentication information of request message;Access control function module (105) is according to access control list (access control For information in tabulation by obtaining when function of initializing module (101) loading configuration file, structure design is as shown in Figure 3) and institute It states authentication information and authentication is carried out to the request message;If authentication fails, communication function module is called (102) response message for generating request message is sent to application software;In the case where authentication passes through, if the request is reported The request type of text is registration, then by registration information write-in IP-Bus mapping table, (IP-Bus reflects access control function module (105) Firing table is mainly used for storing the registration information of application software, and the design of IP-Bus mapping table is as shown in Figure 4);If the request report The request type of text is write-in, then the data write bus in the request message is written access control function module (105) Data buffer zone;If the request type of the request message is publication, access control function module (105) will be from respective bus Data are read in data buffer zone, and according to IP-Bus mapping table, call communication function module (102) to forward to application software and issue Data message;Access control function module (105) periodically reads the data in bus data buffers, and according to IP- Bus mapping table issues data to application software;
Bus processing function module (106): ARINC717 data, A429 data, RS422 data and measures of dispersion evidence are completed Acquisition and distribution;Bus processing function module (106) reads all kinds of bus datas, and the data read are put into bus data In buffer area (every bus has independent bus data buffers);Bus processing function module (106) reads bus write-in Data in data buffer zone, and write data into respective bus;
Health monitoring functional module (107): different to what is occurred in program for completing to all monitoring in operation module Reason condition is handled, and forms the running log of system.Health monitoring module increases the robustness of system, adjustable and It is maintainable.
Information in access control list when function of initializing module (101) loading configuration file by obtaining.
A kind of avionics data distributing method, as shown in Figure 1, comprising:
The initialization of step 1, completion to all buffer areas;Complete configuration file load and access control list it is initial Change;Function of initializing module (101) is completed to communication function module (102), access control function module (105), bus processing Functional module (106), the resource allocation and starting work of health monitoring functional module (107);
Step 2, communication function module (102) receive the request message from application software, and the request message are put Enter request data buffer areas;
Step 3, protocol analysis functional module (103) read the request message from request data buffer areas, ask to described Seek packet parsing, and by the information input parsed to access control function module (105);Access control function module (105) Authentication is carried out to the request message by access control list and authentication information;If authentication fails, call The response message that communication function module (102) generates request message is sent to application software;In the feelings that the authentication passes through Under condition, if the request type of the request message is registration, IP- is written in registration information by access control function module (105) Bus mapping table;If the request type of the request message is write-in, access control function module (105) reports the request Data buffer zone is written in data write bus in text;If the request type of the request message is publication, access control function Energy module (105) will read data from respective bus data buffer zone, and according to IP-Bus mapping table, call communication function module (102) to the data message of application software forwarding publication;It is slow that access control function module (105) periodically reads bus data The data in area are rushed, and issue data to application software according to IP-Bus mapping table.
Step 4, bus processing function module (106) complete ARINC717 data, A429 data, RS422 data and discrete Measure the acquisition and distribution of data;Bus processing function module (106) reads all kinds of bus datas, and the data read are put into always In line data buffer zone;Bus processing function module (106) reads the data in bus write-in data buffer zone, and data are write Enter into respective bus;
Step 5, health monitoring functional module (107) persistently monitor all module status being currently running, to abnormal shape State is handled, and forms the running log of system.
In MA700 information management system avionics interface service software, rule is checked using this method protection security strategy Data.

Claims (3)

1. a kind of avionics data distribution model characterized by comprising
Function of initializing module (101), communication function module (102), protocol analysis functional module (103), agreement assemble function Module (104), access control function module (105), bus processing function module (106), health monitoring functional module (107);
Function of initializing module (101): the initialization to all buffer areas is completed;Complete the load and access control of configuration file The initialization of table;To communication function module (102), access control function module (105), bus processing function module (106) is good for Health monitoring function module (107) carries out resource allocation and starting;
Communication function module (102): it is written as the request message of received server-side application software, and by the request message In request data buffer areas;The response message that agreement assembling functional modules (104) generate is sent to application software;Accessed control Functional module (105) processed is called, and the response message of request message and the data message of forwarding publication are generated;
Protocol analysis functional module (103): the request message is read from request data buffer areas, to the request message solution Analysis, and by the information input parsed to access control function module (105);
Agreement assembling functional modules (104): it is called by communication function module (102), for generating the response of the request message Message;
Access control function module (105): receiving the information of protocol analysis functional module (103) parsing, and the information includes asking Ask the request type and authentication information of message;Access control function module (105) is according to access control list and the identity Authentication information carries out authentication to the request message;If authentication fails, communication function module (102) is called to generate The response message of request message is sent to application software;In the case where authentication passes through, if the request of the request message Type is registration, then IP-Bus mapping table is written in registration information by access control function module (105);If the request message Request type is write-in, then data are written in the data write bus in the request message by access control function module (105) Buffer area;If the request type of the request message is publication, access control function module (105) will be from respective bus data Data are read in buffer area, and according to IP-Bus mapping table, call communication function module (102) to the number of application software forwarding publication According to message;Access control function module (105) periodically reads the data in bus data buffers, and reflects according to IP-Bus Firing table issues data to application software;
Bus processing function module (106): adopting for ARINC717 data, A429 data, RS422 data and measures of dispersion evidence is completed Collection and distribution;Bus processing function module (106) reads all kinds of bus datas, and the data read are put into bus data buffering Qu Zhong;Bus processing function module (106) reads the data in bus write-in data buffer zone, and writes data into corresponding total In line;
Health monitoring functional module (107): for completing to all monitoring in operation module, to the abnormal feelings occurred in program Condition is handled, and forms the running log of system.
2. a kind of avionics data distribution model as described in claim 1, which is characterized in that
Information in access control list when function of initializing module (101) loading configuration file by obtaining.
3. a kind of avionics data distributing method characterized by comprising
The initialization of step 1, completion to all buffer areas;Complete the initialization of load and the access control list of configuration file;Just Beginningization functional module (101) is completed to communication function module (102), access control function module (105), bus processing function mould Block (106), the resource allocation and starting work of health monitoring functional module (107);
Step 2, communication function module (102) receive the request message from application software, and the request message are put into and is asked Ask data buffer zone;
Step 3, protocol analysis functional module (103) read the request message from request data buffer areas, report to the request Text parsing, and by the information input parsed to access control function module (105);Access control function module (105) passes through Access control list and authentication information carry out authentication to the request message;If authentication fails, communication is called The response message that functional module (102) generates request message is sent to application software;In the case where the authentication passes through, If the request type of the request message is registration, access control function module (105) reflects registration information write-in IP-Bus Firing table;If the request type of the request message is write-in, access control function module (105) will be in the request message Data buffer zone is written in data write bus;If the request type of the request message is publication, access control function module (105) data will be read from respective bus data buffer zone, and according to IP-Bus mapping table, be called communication function module (102) To the data message of application software forwarding publication;Access control function module (105) periodically reads bus data buffers In data, and according to IP-Bus mapping table to application software issue data;
Step 4, bus processing function module (106) complete ARINC717 data, A429 data, RS422 data and measures of dispersion According to acquisition and distribution;Bus processing function module (106) reads all kinds of bus datas, and the data read are put into number of buses According in buffer area;Bus processing function module (106) reads the data in bus write-in data buffer zone, and writes data into In respective bus;
Step 5, health monitoring functional module (107) persistently monitor all module status being currently running, to abnormal state into Row processing, and form the running log of system.
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