CN106713010A - Communication method and system for avionics network system - Google Patents
Communication method and system for avionics network system Download PDFInfo
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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
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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
- H04L41/0889—Techniques to speed-up the configuration process
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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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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Abstract
The invention discloses a communication method and system for an avionics network system. The configuration information of each node in the avionics network system is recorded in a blueprint configuration table in advance. When the avionics network system carries out communication, the current node is initialized based on DDS standard planning. When nodes carry out information exchange through a 1553 bus, data needed by information exchange is acquired from the blueprint configuration table. According to the invention, the abstraction and black boxing of a network protocol are realized in network design by adapting a 1553 protocol with DDS specification; the node attribute configuration of each node is accelerated; the workload of network planning service is reduced; a user does not need to face the complex 1553 protocol, so that the user simply needs to face messages rather than previous nodes and the protocol at the same time; the entire communication process is humane; the design cycle of the avionics network system is shortened; and the efficiency of network communication debugging is improved.
Description
Technical field
The present invention relates to data communication technology field, in particular, it is related to a kind of communication means of avionics network system
And system.
Background technology
In military project aviation field, the core network of avionics network system is generally total as information transfer using 1553 buses
Line.Avionics Design of Network System personnel need to complete two tasks when avionics network system is configured:First is network service
Business, the business belongs to Top-layer Design Method content as the core business of whole avionics network, for realizing that message attributes are configured;
Second is network planning business, and the business belongs to bottom-layer design content, for realizing node category of each node in 1553 networks
Property configuration.
In avionics network system, typically by manually according to 1553 agreements, to the whole network, each node carries out nodal community configuration
Configured with corresponding message attributes, after the completion of the configuration of each node, in addition it is also necessary to call 1553 driving layer interfaces of complexity to each section
The message that point sends is received, is organized bag etc..When certain nodal community or message attributes are changed, it is necessary to change the network planning
Business.The modification process of network planning business includes:Designer is when communication configuration is carried out, it is necessary to according to 1553 agreements to category
Property change node or message be adapted to, need to consider the uniqueness of the whole network node ID in adaptation procedure, similar node exists
The contents such as same RT (Remote Terminals, remote terminal) address.Simultaneously in the communication process of avionics network system, need
Node initializing, message are sent and resolving is modified, to be adapted to new allocation list.In usual avionics network system
Number of nodes it is up to up to a hundred, therefore the attribute of any one node or message changes, and can all bring huge work
Amount.
To sum up, a kind of communication means of avionics network system how is provided to reduce the workload of network planning business, is made
User, without understanding 1553 complicated agreements, so as to shorten the design cycle of avionics network system, carries when network service is carried out
Network service debugging efficiency high is the problem of those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, the present invention discloses the communication means and system of a kind of avionics network system, to realize carrying out avionics
When network system is configured, the workload of network planning business is reduced, the time needed for shortening nodal community configuration, so as to shorten boat
The design cycle of electric network system.
A kind of communication means of avionics network system, including:
Initialization resource needed for application present node initialization, the initialization resource at least includes:1553 equipment are hard
Resource and the data shared by the data publisher in resource and data distribution formula service DDS specifications shared by part
Resource shared by resource, data subscription person shared by the corresponding data write unit of publisher and with the data subscription person
Resource shared by corresponding data-reading unit;
The configuration information of the present node is obtained from pre-stored blueprint allocation list, according to it is described initialization resource and
The configuration information is initialized to the present node, wherein, the configuration information includes:Message attributes are configured and node
Attribute configuration;
The message to be sent of the present node after initialization is marked according to predefined service quality QOS strategies;
When it is determined that the flag of the message to be sent is effective, then the message to be sent is exported to 1553 buses;
Other nodes are gathered from 1553 bus and export the message to 1553 bus, and obtain the message
Identifier ID;
According to the ID and the corresponding relation of subject information that are recorded in the ID and the blueprint allocation list, the message is judged
Whether it is message that the present node needs to receive;
If the message is the message that the present node needs reception, according to the subject information of the message, call
Corresponding message groups bag task is processed the message, obtains the corresponding message content of the message.
Preferably, the configuration information that the present node is obtained from pre-stored blueprint allocation list, according to described
Initialization resource and the configuration information carry out initialization and include to the present node:
The configuration information of the present node is obtained from pre-stored blueprint allocation list, the configuration information includes node
Attribute configuration and message attributes are configured;
According to nodal community configuration application board resource and configuration board nodal community;
Board scheduling message table is configured according to message attributes configuration;
According to the corresponding data type of each message, all theme numbers and the QOS plans in message attributes configuration
Slightly, the data publisher, the data write unit, data subscription person and the data-reading unit are carried out initially
Change, realize the initialization to the present node.
Preferably, if the message is the message that the present node needs reception, according to the master of the message
Topic information, calls corresponding message groups bag task to process the message, obtains the corresponding message content bag of the message
Include:
If the message is the message that the present node needs reception, according to the subject information of the message, call
Corresponding message groups bag task, packages to the message;
Message after the completion of group bag is stored in corresponding theme caching, and according to the subject information, from the theme
The corresponding message content of the message is obtained in caching.
Preferably, also include:
After the completion of each node communication in avionics network system, the initialization resource is discharged.
Preferably, the message attributes configuration includes three attributes, respectively:Message send the cycle, message content and
Message direction, the direction includes:Source direction and sending direction.
A kind of communication system of avionics network system, including:
Application unit, the initialization resource needed for for applying for present node initialization, the initialization resource is at least wrapped
Include:The money shared by the data publisher in resource and data distribution formula service DDS specifications shared by 1553 device hardwares
Resource shared by the data write unit corresponding with the data publisher of source, the resource shared by data subscription person and with
Resource shared by the corresponding data-reading unit of the data subscription person;
Initialization unit, the configuration information for obtaining the present node from pre-stored blueprint allocation list, according to
The initialization resource and the configuration information are initialized to the present node, wherein, the configuration information includes:Disappear
Breath attribute configuration and nodal community configuration;
Indexing unit, for tactful to the to be sent of the present node after initialization according to predefined service quality QOS
Message is marked;
Output unit, it is for when it is determined that the flag of the message to be sent is effective, then the message to be sent is defeated
Go out to 1553 buses;
Collecting unit, the message to 1553 bus is exported for gathering other nodes from 1553 bus, and
Obtain the identifier ID of the message;
Judging unit, for being closed according to the correspondence of the ID and subject information recorded in the ID and the blueprint allocation list
System, judges whether the message is message that the present node needs reception;
Processing unit, in the case of being judged as YES in the judging unit, according to the subject information of the message, adjusts
The message is processed with corresponding message groups bag task, obtains the corresponding message content of the message.
Preferably, the initialization unit includes:
First acquisition subelement, the configuration information for obtaining the present node from pre-stored blueprint allocation list,
The configuration information includes nodal community configuration and message attributes configuration;
Application subelement, for according to nodal community configuration application board resource and configuration board nodal community;
Configuration subelement, for configuring board scheduling message table according to message attributes configuration;
Initialization subelement, for according to the corresponding data type of each message, all themes in message attributes configuration
Number and QOS strategies, to the data publisher, the data write unit, data subscription person and the data
Reading unit is initialized, and realizes the initialization to the present node.
Preferably, the processing unit includes:
Group steamed stuffed bun unit, if being the message that the present node needs to receive for the message, according to the message
Subject information, call corresponding message groups bag task, the message is packaged;
Second obtains subelement, for the message after the completion of group bag to be stored in corresponding theme caching, and according to described
Subject information, the corresponding message content of the message is obtained from theme caching.
Preferably, also include:
Releasing unit, for after the completion of each node communication in avionics network system, discharging the initialization resource.
Preferably, the message attributes configuration includes three attributes, respectively:Message send the cycle, message content and
Message direction, the direction includes:Source direction and sending direction.
Knowable to above-mentioned technical scheme, the invention discloses the communication means and system of a kind of avionics network system, in advance
First by the configuration information record of each node in avionics network system in blueprint allocation list, when avionics network system is led to
During letter, present node is initialized based on DDS standard plannings, when each node carries out information exchange by 1553 buses,
Data required during information exchange are obtained from blueprint allocation list.The present invention is adapted to by by 1553 agreements with DDS specifications,
Make to have carried out abstract and black box to procotol during network design, on the one hand accelerate and the nodal community of each node is matched somebody with somebody
Put, reduce the workload of network planning business, another aspect user need not face 1553 complicated agreements, make user from before
Nodes oriented and agreement simultaneously are needed, is converted into only needing message-oriented, so that whole communication process more hommization, and then contract
The design cycle of short avionics network system, improve network service debugging efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
Disclosed accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of communication means flow chart of avionics network system disclosed in the embodiment of the present invention;
Fig. 2 is a kind of blueprint configuring frame composition disclosed in the embodiment of the present invention;
Fig. 3 is a kind of avionics network system architecture figure disclosed in the embodiment of the present invention;
Fig. 4 is a kind of structural representation of the communication system of avionics network system disclosed in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Inventor by research find, in avionics network system Top-layer Design Method, often only consider information publisher and
Recipient, such as height sensor node can fly control calculate node and receive this information and carry out to elevation information is sent in network
A series for the treatment of, but can't consider height sensor node be how with it is winged control calculate node physical connection and its total
Physical attribute on line.
The communication means and system of avionics network system disclosed in the embodiment of the present invention, by by procotol abstract,
The abstract treatment to each node configuration detail is realized, and 1553 agreements are adapted to DDS specifications, realized in avionics net
When network system bottom is designed, treatment is simplified to nodal community configuration process, so as to when the configuration of avionics network system is carried out, subtract
Lack the workload of network planning business, the time needed for shortening nodal community configuration, and then shorten avionics network system
Design cycle.
DDS is the New-generation distributed reality that OMG (OMG) formulates on the basis of the standards such as HLA and CORBA
When communication middleware technical specification, DDS use publish/subscribe architectural framework, emphasize data-centered, there is provided abundant QOS
Quality of service policy, can ensure data carry out it is real-time, efficient, neatly distribute, various distributing real communication applications can be met
Demand.The application is combined by by 1553 agreements and DDS specifications, there is provided a kind of new avionics network system.
The configuration process of avionics network system is specific as follows:
Referring to Fig. 1, a kind of communication means flow chart of avionics network system disclosed in the embodiment of the present invention, the method includes
Step:
Initialization resource needed for step S101, application present node initialization;
Wherein, the initialization resource at least includes:Resource and DDS (Data shared by 1553 device hardwares
Distribution Service, the service of data distribution formula) resource and the data shared by data publisher in specification
Resource shared by resource, data subscription person shared by the corresponding data write unit of publisher and with the data subscription person
Resource shared by corresponding data-reading unit.
Step S102, the configuration information for obtaining from pre-stored blueprint allocation list the present node, according to it is described just
Beginningization resource and the configuration information are initialized to the present node;
Wherein, the configuration information includes:Message attributes are configured and nodal community configuration.
It should be noted that blueprint allocation list is obtained using blueprint configuration tool, the content in blueprint allocation list includes:Net
Network node is planned and message attributes are configured, wherein, each address of node belongs to during network node is planned for planning avionics network
Property, i.e. network node planning includes that nodal community is configured.
Message attributes configuration includes three attributes, respectively:Message sends cycle, message content and message direction, institute
Stating direction includes:Source direction and sending direction.
Three attributes configured for message attributes are specifically described as follows:
(1) message sends the cycle:The characteristics of there is centralization due to 1553 agreements, therefore the message that each node sends is week
Phase message.Message can be divided into different grades by the priority according to each message, for example, A grades/B grades/C grades/D grades/E
Level, the message transmission cycle of each grade message can be respectively 1ms/10ms/50ms/100ms/1s, wherein, A grades of expression message
Grade highest, the transmission cycle is most short, and the implication of other grade message is by that analogy.Wherein, the divided rank number of message can be with root
It is extended according to message number and bandwidth.
(2) message content:Explanation content comprising each byte in message content.Due to some message, such as alarm disappears
Breath need not be sent in the cycle, therefore a memory cell (such as one bit) can be set in message content, should
Memory cell be used for represent current message whether be node actively update after message.
(3) message direction:In actual condition, normal rational message all has certain orientation, therefore, designer
Only need to specify the source direction and sending direction of message.
It should be noted that irrational message direction configuration can increase network useless load.
Wherein, network node planning specifies node classification and main controlled node by designer.Illustrate, it is assumed that avionics net
Exist in network and fly control calculate node, position sensor node, velocity sensor node are wet in temperature sensor node and cabin in cabin
Degree sensor node.Specify and fly control calculate node for main controlled node, position sensor node, velocity sensor node belong to one
Class, temperature sensor node in cabin, humidity sensor node belongs to a class in cabin, then blueprint configuration tool can be according to preset configuration
It is required that automatically for each node generates satisfactory address configuration.
Referring specifically to the blueprint configuring frame composition shown in Fig. 2, velocity sensor node gives out information content including speed, together
When command speed be data type, message priority is A in addition, then blueprint configuration tool can generate the structure number on the left of Fig. 2
According to (i.e. speed data type includes:1. DDS identifiers;2. speed;3. the effective identifier of data) and the corresponding cycle is (i.e.
1ms).The address of 1553 networks of correspondence is generated due to each node, then the direction specified according to designer can give birth to
The corresponding routing iinformation of message is produced, such as Fig. 2 left side medium velocity sensor nodes then disappear to winged control calculate node transmission speed message
The routing iinformation configured in breath is RT1.1->BC, the i.e. node of the subaddressing 1 of RT addresses 1 send message to BC.
Wherein, the English full name of BC is:Bus Controller, Chinese is:Bus control unit.
Equally, position sensor node gives out information content including position, while specified location is data type, disappears in addition
Breath priority is A, then (i.e. position data type includes the structured data that blueprint configuration tool can generate on the left of Fig. 2:①DDS
Identifier;2. longitude;3. latitude;4. highly;5. the effective identifier of data) and the corresponding cycle (i.e. 1ms).Due to each node
Generated the address of 1553 networks of correspondence, then the direction specified according to designer can the corresponding route of production message believe
Breath, such as Fig. 2 left side Position Sensor nodes send location message to winged control calculate node, then the routing iinformation for being configured in message
It is RT1.2->BC, the i.e. node of the subaddressing 2 of RT addresses 1 send message to BC.
Temperature sensor node gives out information content including temperature in cabin, while assigned temperature is data type, disappears in addition
Breath priority is B, then (i.e. temperature data type includes the structured data that blueprint configuration tool can generate on the left of Fig. 2:①DDS
Identifier;2. temperature;3. the effective identifier of data) and the corresponding cycle (i.e. 10ms).Due to each node generated it is right
The address of 1553 networks is answered, then the corresponding routing iinformation of message, such as Fig. 2 left sides are produced by the direction specified according to designer
Temperature sensor node sends temperature message to winged control calculate node in middle deck, then the routing iinformation for being configured in message is RT2.1-
>BC, the i.e. node of the subaddressing 1 of RT addresses 2 send message to BC.
Humidity sensor node gives out information content including humidity in cabin, while it is data type to specify humidity, disappears in addition
Breath priority is D, then (i.e. humidity data type includes the structured data that blueprint configuration tool can generate on the left of Fig. 2:①DDS
Identifier;2. humidity;3. the effective identifier of data) and the corresponding cycle (i.e. 100ms).Due to each node generated it is right
The address of 1553 networks is answered, then the corresponding routing iinformation of message, such as Fig. 2 left sides are produced by the direction specified according to designer
Humidity sensor node sends humidity message to winged control calculate node in middle deck, then the routing iinformation for being configured in message is RT2.2-
>BC, the i.e. node of the subaddressing 2 of RT addresses 2 send message to BC.
Step S103, the message to be sent of the present node after initialization is marked according to predefined QOS strategies;
Wherein, QOS (Quality Of Service, service quality) refers to that a network can utilize various basic technologies,
It is a kind of security mechanism of network, for solving network delay and resistance for specified network service provides more preferable service ability
A kind of technology of the problems such as plug.
Step S104, whether effectively the flag of the message to be sent is judged, if it is, performing step S105;
Step S105, the message to be sent is exported to 1553 buses;
Step S106, the message that other nodes are exported to 1553 bus is gathered from 1553 bus, and obtained
The identifier ID of the message;
Step S107, the corresponding relation according to the ID of record and subject information in the ID and the blueprint allocation list, sentence
Whether the message of breaking is message that the present node needs to receive, if it is, performing step S108;
Step S108, then according to the subject information of the message, call corresponding message groups bag task to enter the message
Row treatment, obtains the corresponding message content of the message.
Wherein, subject information can be speed, position, humidity, temperature etc..
It should be noted that when the message for judging to obtain is not that present node needs the message for receiving, then it is assumed that this disappears
Breath is invalid message for present node, in this case it is necessary to filter the message.
In the present embodiment, step S101~step S105 is the process that present node sends message to 1553 buses, step
S106~step S108 is the process of the message that the transmission of other nodes is obtained from 1553 buses, and two processes can be performed simultaneously,
And be independent of each other, naturally it is also possible to according to actual needs, first control present node first to send message to 1553 buses, then from 1553
Bus obtains the message of other nodes transmission, such as embodiment shown in Fig. 1, it is also possible to first obtain other nodes from 1553 buses
The message of transmission, then send message to 1553 buses.
In summary, the present invention in advance configures the configuration information record of each node in avionics network system in blueprint
In table, when avionics network system is communicated, present node is initialized based on DDS standard plannings, when each node is logical
When crossing 1553 buses and carrying out information exchange, data required during information exchange are obtained from blueprint allocation list.The present invention passes through will
1553 agreements are adapted to DDS specifications, have carried out abstract and black box when making network design to procotol, are on the one hand added
The fast nodal community configuration to each node, reduces the workload of network planning business, and another aspect user need not face
1553 complicated agreements, make user from nodes oriented and agreement simultaneously is needed before, are converted into only needing message-oriented, so that whole
The more hommization of individual communication process, and then shorten the design cycle of avionics network system, improve network service debugging efficiency.
Further to optimize above-described embodiment, communication means can also include step:
After the completion of each node communication in avionics network system, release initialization resource.
Wherein, in actual applications, can be four functional layers, four functions by each node division in avionics network
Layer is respectively:Application layer, data distribution layer, 1553 adaptation layers and 1553 drive 1553 driving layers of layer, each node to pass through
1553 buses are connected, and blueprint adaptive tool is connected with 1553 adaptation layers of each node, referring specifically to Fig. 3, the embodiment of the present invention
A kind of disclosed avionics network system architecture figure, wherein, 3 nodes, respectively node 1, node 2 and node 3,3 are shown in Fig. 3
Individual node is connected by 1553 buses.
With reference to Fig. 1 and Fig. 3, the communication means to avionics network system is illustrated, specific as follows:
Before avionics network system starts communication, designer carries out message arrangement and network node using blueprint configuration tool
Planning, and generate blueprint allocation list.
Avionics network system starts to include following content during communication:
Initialization interface is called by application layer first, needed for being initialized by the initialization interface application present node
Initialization resource, and the configuration information of the present node is obtained from pre-stored blueprint allocation list, according to the initialization
Resource and the configuration information are initialized to the present node;Next calls application layer to send message interface, by answering
Message interface is sent by the message to be sent of the present node after initialization via application layer, data distribution layer conduction 1553 with layer
Adaptation layer, 1553 adaptation layers are marked according to predefined QOS strategies to message to be sent, when the mark for judging message to be sent
When knowledge position is effective, then message to be sent is exported to 1553 buses through 1553 driving layers;
Other nodes are gathered from 1553 buses and export the message to 1553 bus, and submit to by 1553 driving layers
To 1553 adaptation layers, the identifier ID of the message is obtained by 1553 adaptation layers, according in the ID and the blueprint allocation list
The ID of record and the corresponding relation of subject information, judge whether message is message that the present node needs to receive, if described
Message is the message that the present node needs are received, and after message output is processed to data distribution layer, output extremely should
With layer, application layer is obtained in the corresponding message of the message according to the subject information of the message from the blueprint allocation list
Hold.
After the completion of each node communication in avionics network system, application layer calls realizing interface, release initialization money
Source.
Further to optimize above-described embodiment, the step S102 in above-described embodiment is specifically included:
The configuration information of present node is obtained from pre-stored blueprint allocation list, wherein, configuration information includes:Node belongs to
Property configuration and message attributes configuration;
According to nodal community configuration application board resource and configuration board nodal community;
Board scheduling message table is configured according to message attributes configuration;
According to the corresponding data type of each message, all theme numbers and QOS strategy in message arrangement, to data publication
Person (Publisher) data write unit (DataWritter) corresponding with data publisher, data subscription person
(Subscriber) and data-reading unit corresponding with data subscription person (DataReader) is initialized, realize to working as
The initialization of front nodal point.
In actual applications, when each node in avionics network includes:Application layer, data distribution layer, 1553 adaptation layers
When driving four functional layer of layer with 1553, the process initialized to present node includes:
The initialization interface of application layer is called, obtains current from pre-stored blueprint allocation list by the initialization interface
(configuration information includes the configuration information of node:Nodal community is configured and message attributes configuration), configured according to nodal community and applied
Board resource and configuration board nodal community, board scheduling message table is configured according to message attributes configuration.Due to message category
Property configuration determine that therefore the corresponding data type of each message, all theme numbers also determine in message attributes configuration, according to respectively disappearing
Corresponding data type, all theme numbers and QOS strategy are ceased, to the data publisher in data distributing layer and the data
The corresponding data write unit of publisher, data subscription person and data-reading unit corresponding with data subscription person are carried out initially
Change, so as to realize the initialization to present node.
Further to optimize above-described embodiment, the step S108 in above-described embodiment is specifically included:
If the message is the message that the present node needs reception, according to the subject information of the message, call
Corresponding message groups bag task, packages to the message;
Message after the completion of group bag is stored in corresponding theme caching, and according to the subject information, from the theme
The corresponding message content of the message is obtained in caching.
In actual applications, when each node in avionics network includes:Application layer, data distribution layer, 1553 adaptation layers
When driving four functional layer of layer with 1553, present node carries out message and sends specific as follows with the process of message sink:
Message transmitting process:The message transmission interface of routine call application layer carries out message transmission.Application layer is called first
Message transmission interface by the data content delivery of the subject information of message and message to data distribution layer, then data distribution layer root
According to subject information, the data content of message is saved in the caching of data write unit, and according to QOS strategies, data sent out
It is sent to 1553 adaptation layers.1553 adaptation layers can run two task modules after starting, and two task modules include:Data is activation mould
Block and data reception module, data transmission blocks are a series of set that messages send task and a monitoring task, data hair
Send module to monitor the signal from data distribution layer, when the signal of the message to be sent that data distribution layer sends is received, connect
Whether the message to be sent that data distribution layer is issued is received, effectively the flag of the message to be sent is then judged, it is pending when judging
When sending the flag of message effective, the subject information according to the message to be sent and the corresponding informance in blueprint allocation list,
Call corresponding task to process message to be sent, obtain meeting the communication message of 1553 standard agreements, and this is communicated
Message is sent to 1553 buses by 1553 driving layers.
Message sink process:The message sink interface of routine call application layer carries out message sink.First in present node
After message sink interface collects the message that other nodes are exported to 1553 buses from 1553 buses, 1553 adaptation layers
Data reception module (data reception module is a series of set of message groups bag tasks and a message reception task) starts work
Make, the message in data reception module 1553 buses of reception, and obtain the identifier ID of message, according in ID and blueprint allocation list
The ID of record and the corresponding relation of subject information, judge the message whether be present node need receive message, if it is,
Calling corresponding message groups bag task carries out message groups bag, and the message transmission that group bag is completed gives data distribution layer.Data point
Data-reading unit in hair layer is monitored from the message in 1553 adaptation layers, is fitted from 1553 when data-reading unit is received
After with the message on layer, the message is stored in the caching of correspondence main body, and according to QOS strategies, sends this message to application
Layer.Last application layer calls the message that the message sink interface data distribution layer of block type sends, and according to the message
Subject information, obtains the corresponding message content of message, so that program does other purposes from blueprint allocation list.
It is corresponding with above method embodiment, the invention also discloses a kind of communication system of avionics network system.
Referring to Fig. 4, a kind of structural solid of the communication system of avionics network system, the communication disclosed in the embodiment of the present invention
System includes:
Application unit 201, the initialization resource needed for for applying for present node initialization, the initialization resource is at least
Including:Shared by the data publisher in resource and data distribution formula service DDS specifications shared by 1553 device hardwares
Resource shared by resource data write unit corresponding with the data publisher, the resource shared by data subscription person and
Resource shared by data-reading unit corresponding with the data subscription person;
Initialization unit 202, the configuration information for obtaining the present node from pre-stored blueprint allocation list, root
The present node is initialized according to the initialization resource and the configuration information, wherein, the configuration information includes:
Message attributes are configured and nodal community configuration;
It should be noted that blueprint allocation list is obtained using blueprint configuration tool, the content in blueprint allocation list includes:Net
Network node is planned and message attributes are configured, wherein, each address of node belongs to during network node is planned for planning avionics network
Property, i.e. network node planning includes that nodal community is configured.
Message attributes configuration includes three attributes, respectively:Message sends cycle, message content and message direction, institute
Stating direction includes:Source direction and sending direction.
Indexing unit 203, for being entered to the message to be sent of the present node after initialization according to predefined QOS strategies
Line flag;
Output unit 204, for when it is determined that the flag of the message to be sent is effective, then by the message to be sent
Export to 1553 buses;
Collecting unit 205, the message to 1553 bus is exported for gathering other nodes from 1553 bus,
And obtain the identifier ID of the message;
Judging unit 206, for according to the ID and the correspondence of subject information recorded in the ID and the blueprint allocation list
Relation, judges whether the message is message that the present node needs to receive;
Processing unit 207, in the case of being judged as YES in judging unit 206, according to the subject information of the message,
Call corresponding message groups bag task to process the message, obtain the corresponding message content of the message.
It should be noted that in the present embodiment, application unit 201, initialization unit 202, indexing unit 203 and output are single
Unit 204 is used to realize that present node sends message, collecting unit 205, judging unit 206 and processing unit 207 to 1553 buses
For realizing that present node obtains message from 1553 buses, the transmission process of message and the reception process of message can be two only
Vertical process;Message transmitting process can also be first carried out, message sink process is performed afterwards;Or message sink process is first carried out,
After perform message transmitting process, the connected mode of each component units includes but is not limited to Fig. 4 disclosed embodiments in setting system.
In summary, the present invention in advance configures the configuration information record of each node in avionics network system in blueprint
In table, when avionics network system is communicated, present node is initialized based on DDS standard plannings, when each node is logical
When crossing 1553 buses and carrying out information exchange, data required during information exchange are obtained from blueprint allocation list.The present invention passes through will
1553 agreements are adapted to DDS specifications, have carried out abstract and black box when making network design to procotol, are on the one hand added
The fast nodal community configuration to each node, reduces the workload of network planning business, and another aspect user need not face
1553 complicated agreements, make user from nodes oriented and agreement simultaneously is needed before, are converted into only needing message-oriented, so that whole
The more hommization of individual communication process, and then shorten the design cycle of avionics network system, improve network service debugging efficiency.
Further to optimize above-described embodiment, communication system can also include:
Releasing unit, for after the completion of each node communication in avionics network system, discharging the initialization resource.
Further to optimize above-described embodiment, the initialization unit 202 in above-described embodiment includes:
First acquisition subelement, the configuration information for obtaining the present node from pre-stored blueprint allocation list,
The configuration information includes nodal community configuration and message attributes configuration;
Application subelement, for according to nodal community configuration application board resource and configuration board nodal community;
Configuration subelement, for configuring board scheduling message table according to message attributes configuration;
Initialization subelement, for according to the corresponding data type of each message, all themes in message attributes configuration
Number and QOS strategies, to the data publisher, the data write unit, data subscription person and the data
Reading unit is initialized, and realizes the initialization to the present node.
In actual applications, when each node in avionics network includes:Application layer, data distribution layer, 1553 adaptation layers
When driving four functional layer of layer with 1553, the process initialized to present node includes:
The initialization interface of application layer is called, obtains current from pre-stored blueprint allocation list by the initialization interface
(configuration information includes the configuration information of node:Nodal community is configured and message attributes configuration), configured according to nodal community and applied
Board resource and configuration board nodal community, board scheduling message table is configured according to message attributes configuration.Due to message category
Property configuration determine that therefore the corresponding data type of each message, all theme numbers also determine in message attributes configuration, according to respectively disappearing
Corresponding data type, all theme numbers and QOS strategy are ceased, to the data publisher in data distributing layer and the data
The corresponding data write unit of publisher, data subscription person and data-reading unit corresponding with data subscription person are carried out initially
Change, so as to realize the initialization to present node.
Further to optimize above-described embodiment, the processing unit 207 in above-described embodiment can include:
Group steamed stuffed bun unit, if being the message that the present node needs to receive for the message, according to the message
Subject information, call corresponding message groups bag task, the message is packaged;
Second obtains subelement, for the message after the completion of group bag to be stored in corresponding theme caching, and according to described
Subject information, the corresponding message content of the message is obtained from theme caching.
In actual applications, when each node in avionics network includes:Application layer, data distribution layer, 1553 adaptation layers
When driving four functional layer of layer with 1553, present node carries out message and sends specific as follows with the process of message sink:
Message transmitting process:The message transmission interface of routine call application layer carries out message transmission.Application layer is called first
Message transmission interface by the data content delivery of the subject information of message and message to data distribution layer, then data distribution layer root
According to subject information, the data content of message is saved in the caching of data write unit, and according to QOS strategies, data sent out
It is sent to 1553 adaptation layers.1553 adaptation layers can run two task modules after starting, and two task modules include:Data is activation mould
Block and data reception module, data transmission blocks are a series of set that messages send task and a monitoring task, data hair
Send module to monitor the signal from data distribution layer, when the signal of the message to be sent that data distribution layer sends is received, connect
Whether the message to be sent that data distribution layer is issued is received, effectively the flag of the message to be sent is then judged, it is pending when judging
When sending the flag of message effective, the subject information according to the message to be sent and the corresponding informance in blueprint allocation list,
Call corresponding task to process message to be sent, obtain meeting the communication message of 1553 standard agreements, and this is communicated
Message is sent to 1553 buses by 1553 driving layers.
Message sink process:The message sink interface of routine call application layer carries out message sink.First in present node
After message sink interface collects the message that other nodes are exported to 1553 buses from 1553 buses, 1553 adaptation layers
Data reception module (data reception module is a series of set of message groups bag tasks and a message reception task) starts work
Make, the message in data reception module 1553 buses of reception, and obtain the identifier ID of message, according in ID and blueprint allocation list
The ID of record and the corresponding relation of subject information, judge the message whether be present node need receive message, if it is,
Calling corresponding message groups bag task carries out message groups bag, and the message transmission that group bag is completed gives data distribution layer.Data point
Data-reading unit in hair layer is monitored from the message in 1553 adaptation layers, is fitted from 1553 when data-reading unit is received
After with the message on layer, the message is stored in the caching of correspondence main body, and according to QOS strategies, sends this message to application
Layer.Last application layer calls the message that the message sink interface data distribution layer of block type sends, and according to the message
Subject information, obtains the corresponding message content of message, so that program does other purposes from blueprint allocation list.
It should be noted that in system embodiment each part concrete operating principle, refer to embodiment of the method pair
Part is answered, this is repeated no more.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, article or equipment.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables those skilled in the art to realize or uses the present invention.To this
Various modifications of a little embodiments will be apparent to one skilled in the art, generic principles defined herein
Can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (10)
1. a kind of communication means of avionics network system, it is characterised in that including:
Initialization resource needed for application present node initialization, the initialization resource at least includes:1553 device hardware institutes
The resource and data distribution formula of occupancy service the resource and the data publication shared by the data publisher in DDS specifications
Resource shared by resource, data subscription person shared by the corresponding data write unit of person and corresponding with the data subscription person
Data-reading unit shared by resource;
The configuration information of the present node is obtained from pre-stored blueprint allocation list, according to the initialization resource and described
Configuration information is initialized to the present node, wherein, the configuration information includes:Message attributes are configured and nodal community
Configuration;
The message to be sent of the present node after initialization is marked according to predefined service quality QOS strategies;
When it is determined that the flag of the message to be sent is effective, then the message to be sent is exported to 1553 buses;
Other nodes are gathered from 1553 bus and export the message to 1553 bus, and obtain the mark of the message
Symbol ID;
According to the ID and the corresponding relation of subject information that are recorded in the ID and the blueprint allocation list, whether the message is judged
The message of reception is needed for the present node;
If the message is the message that the present node needs reception, according to the subject information of the message, correspondence is called
Message groups bag task the message is processed, obtain the corresponding message content of the message.
2. communication means according to claim 1, it is characterised in that described to obtain institute from pre-stored blueprint allocation list
The configuration information of present node is stated, the present node is initialized according to the initialization resource and the configuration information
Including:
The configuration information of the present node is obtained from pre-stored blueprint allocation list, the configuration information includes nodal community
Configuration and message attributes configuration;
According to nodal community configuration application board resource and configuration board nodal community;
Board scheduling message table is configured according to message attributes configuration;
It is right according to the corresponding data type of each message, all theme numbers and QOS strategies in message attributes configuration
The data publisher, the data write unit, data subscription person and the data-reading unit are initialized, and are realized
Initialization to the present node.
3. communication means according to claim 1, it is characterised in that if the message is the present node needing
The message of reception, then according to the subject information of the message, call corresponding message groups bag task to process the message,
Obtaining the corresponding message content of the message includes:
If the message is the message that the present node needs reception, according to the subject information of the message, correspondence is called
Message groups bag task, the message is packaged;
Message after the completion of group bag is stored in corresponding theme caching, and according to the subject information, from theme caching
It is middle to obtain the corresponding message content of the message.
4. communication means according to claim 1, it is characterised in that also include:
After the completion of each node communication in avionics network system, the initialization resource is discharged.
5. communication means according to claim 1, it is characterised in that the message attributes configuration includes three attributes, divides
It is not:Message sends cycle, message content and message direction, and the direction includes:Source direction and sending direction.
6. a kind of communication system of avionics network system, it is characterised in that including:
Application unit, the initialization resource needed for for applying for present node initialization, the initialization resource at least includes:
Resource shared by 1553 device hardwares and the resource shared by the data publisher in data distribution formula service DDS specifications,
Resource shared by resource, data subscription person shared by data write unit corresponding with the data publisher and with it is described
Resource shared by the corresponding data-reading unit of data subscription person;
Initialization unit, the configuration information for obtaining the present node from pre-stored blueprint allocation list, according to described
Initialization resource and the configuration information are initialized to the present node, wherein, the configuration information includes:Message belongs to
Property configuration and nodal community configuration;
Indexing unit, for according to the tactful message to be sent to the present node after initialization of predefined service quality QOS
It is marked;
Output unit, for when it is determined that the flag of the message to be sent is effective, then by the message to be sent export to
1553 buses;
Collecting unit, exports the message to 1553 bus, and obtain for gathering other nodes from 1553 bus
The identifier ID of the message;
Judging unit, for according to the ID and the corresponding relation of subject information recorded in the ID and the blueprint allocation list, sentencing
Whether the message of breaking is message that the present node needs to receive;
Processing unit, in the case of being judged as YES in the judging unit, according to the subject information of the message, it is right to call
The message groups bag task answered is processed the message, obtains the corresponding message content of the message.
7. communication system according to claim 6, it is characterised in that the initialization unit includes:
First obtains subelement, and the configuration information for obtaining the present node from pre-stored blueprint allocation list is described
Configuration information includes nodal community configuration and message attributes configuration;
Application subelement, for according to nodal community configuration application board resource and configuration board nodal community;
Configuration subelement, for configuring board scheduling message table according to message attributes configuration;
Initialization subelement, for according to the corresponding data type of each message, all theme numbers in message attributes configuration
And the QOS strategies, to the data publisher, the data write unit, data subscription person and the digital independent
Unit is initialized, and realizes the initialization to the present node.
8. communication system according to claim 6, it is characterised in that the processing unit includes:
Group steamed stuffed bun unit, if being the message that the present node needs to receive for the message, according to the master of the message
Topic information, calls corresponding message groups bag task, and the message is packaged;
Second obtains subelement, for the message after the completion of group bag to be stored in corresponding theme caching, and according to the theme
Information, the corresponding message content of the message is obtained from theme caching.
9. communication system according to claim 6, it is characterised in that also include:
Releasing unit, for after the completion of each node communication in avionics network system, discharging the initialization resource.
10. communication system according to claim 6, it is characterised in that the message attributes configuration includes three attributes, divides
It is not:Message sends cycle, message content and message direction, and the direction includes:Source direction and sending direction.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108563607A (en) * | 2018-04-13 | 2018-09-21 | 成都赫尔墨斯科技股份有限公司 | A kind of device and method for improving communication and processing speed in avionics system |
CN109635311A (en) * | 2018-10-24 | 2019-04-16 | 中国电子科技集团公司第二十八研究所 | A kind of l-G simulation test data collection system based on DDS |
CN110879769A (en) * | 2019-10-16 | 2020-03-13 | 中国航空工业集团公司洛阳电光设备研究所 | Embedded system test environment construction method based on dynamically configurable framework |
CN112532422A (en) * | 2020-10-28 | 2021-03-19 | 南京航空航天大学 | HLA/DDS bridge based on mixed time management system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101860526A (en) * | 2009-12-22 | 2010-10-13 | 中国航空工业集团公司第六三一研究所 | Method for controlling multilevel access to integrated avionics system |
CN102566443A (en) * | 2011-12-29 | 2012-07-11 | 中国航空工业集团公司第六三一研究所 | Simulation verification system and method for integrated avionics system model based on artifact design description language (ADDL) |
CN102750301A (en) * | 2011-12-29 | 2012-10-24 | 中国航空工业集团公司第六三一研究所 | Blueprint generating method for integrated avionic system model aiming at architecture analysis and design language (AADL) description |
-
2016
- 2016-11-23 CN CN201611042415.0A patent/CN106713010B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101860526A (en) * | 2009-12-22 | 2010-10-13 | 中国航空工业集团公司第六三一研究所 | Method for controlling multilevel access to integrated avionics system |
CN102566443A (en) * | 2011-12-29 | 2012-07-11 | 中国航空工业集团公司第六三一研究所 | Simulation verification system and method for integrated avionics system model based on artifact design description language (ADDL) |
CN102750301A (en) * | 2011-12-29 | 2012-10-24 | 中国航空工业集团公司第六三一研究所 | Blueprint generating method for integrated avionic system model aiming at architecture analysis and design language (AADL) description |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108563607A (en) * | 2018-04-13 | 2018-09-21 | 成都赫尔墨斯科技股份有限公司 | A kind of device and method for improving communication and processing speed in avionics system |
CN109635311A (en) * | 2018-10-24 | 2019-04-16 | 中国电子科技集团公司第二十八研究所 | A kind of l-G simulation test data collection system based on DDS |
CN110879769A (en) * | 2019-10-16 | 2020-03-13 | 中国航空工业集团公司洛阳电光设备研究所 | Embedded system test environment construction method based on dynamically configurable framework |
CN110879769B (en) * | 2019-10-16 | 2024-01-26 | 中国航空工业集团公司洛阳电光设备研究所 | Method for constructing embedded system test environment based on dynamic configurable framework |
CN112532422A (en) * | 2020-10-28 | 2021-03-19 | 南京航空航天大学 | HLA/DDS bridge based on mixed time management system |
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