CN106713093B - A kind of avionics data distribution model and method - Google Patents
A kind of avionics data distribution model and method Download PDFInfo
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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/4028—Bus for use in transportation systems the transportation system being an aircraft
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- Computer Networks & Wireless Communication (AREA)
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- 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
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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CN107967309A (en) * | 2017-11-17 | 2018-04-27 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of avionics network avionics data storage and retrieval system and method |
CN109756559B (en) * | 2018-12-07 | 2021-04-30 | 中国航空工业集团公司西安航空计算技术研究所 | Construction and use method for distributed data distribution service of embedded airborne system |
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