CN103716235B - Avionic data forwarding system and method based on ADBP communication - Google Patents
Avionic data forwarding system and method based on ADBP communication Download PDFInfo
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- CN103716235B CN103716235B CN201310753164.7A CN201310753164A CN103716235B CN 103716235 B CN103716235 B CN 103716235B CN 201310753164 A CN201310753164 A CN 201310753164A CN 103716235 B CN103716235 B CN 103716235B
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Abstract
The invention relates to the field of aerospace, and particularly discloses an avionic data forwarding system and method based on ADBP communication. The method includes the steps of providing avionic data information through a data processing module, then, processing data requests from Ethernet APPs through an ADBP communication processing module, obtaining requested avionic data information from the data processing module according to the request condition, and feeding data back to all the Ethernet APPs which request the avionic data in an ADBP communication mode after ADBP packaging is adopted, wherein communication between the ADBP communication processing module and the Ethernet APPs abides by an ARINC834-3 protocol. By means of the method, various data request methods are provided, different avionic data request methods can be selected for application programs according to the request condition of the application programs for the avionic data, and therefore the data can be effectively used.
Description
Technical field
The present invention relates to aerospace field, more particularly, to a kind of avionics data forwarding system and its data forwarding method.
Background technology
Tcp is the communication mode of the most commonly used reliable forwarding data, and mainly data providing is according to receiving
After datagram is simply parsed, according to the address information of datagram offer, it is directly forwarded to corresponding demand data side, deposits
Cannot be easily and effectively according to the communication mode problem that the conditions of demand of different pieces of information are obtained with different data.In addition,
Due to cannot effectively specify the forwarding rule of data, there are some data (do not need to provide always, but receive always) excessively
There is provided or data (needing constantly to provide, but because other data occupy bandwidth, form network congestion and cannot receive for topic) carries
For extreme phenomenons such as deficiencies, and bring waste and the junk data of the network bandwidth, or data deficiencies impact.
At present, the data transfer between the avionics data of avionics core network and traditional ethernet mainly passes through avionics data
Reflecting software (adts:avioincs data transmit software) is realizing.Adts is received by aeronautical data bus
The avionics data of each avionics system from avionics domain, then parses to the avionics data receiving, also need simultaneously by
Analysis result is distributed in each Ethernet application program (app:application) needing various avionics data.
Directly carry out the distribution of avionics data using traditional tcp communication mode, adts itself cannot determine and will receive
Avionics data division or be all transmitted to Ethernet app.Simultaneously for avionics demand data side (Ethernet app), adts carries
For avionics overabundance of data or very few, all can produce harmful effect to it, or data payload is overweight or data deficiencies, Jin Erying
Ring the realization to its function.Further, traditional tcp only simple transmitting ensureing data, needs by Additional definitions
Agreement be which avionics data to determine request, and it is also desirable to avionics data supply and demand side about in the message of response
Fixed mode can provide distinguishing which avionics data of avionics data providing, and which avionics data cannot provide.Furthermore, adopt
Also need to avionics data supply and demand side (avionics data providing: adts, avionics demand data side: Ethernet with tcp communication mode
App) wrap in data structure and carry out both sides' agreement, avionics demand data can parse packet according to agreement just now, thus obtaining
Corresponding data.The forwarding purpose of the data needing multiple address mapping table clearly to receive additionally, traditional tcp communicates
Ground, motility is poor.
Content of the invention
One purpose of the present invention is, proposes a kind of avionics data forwarding system based on adbp communication, it can be realized
Effective offer of data and the effectively utilizes of resource；
Another object of the present invention is to, a kind of avionics data forwarding method based on adbp communication is proposed, it provides
Multiple request of data modes, application program can select different avionics data according to itself to the conditions of demand of avionics data
Application way, thus realize the effectively utilizes of data.
For achieving the above object, the invention provides a kind of avionics data forwarding system based on adbp communication, comprising:
Avionics system, avionics data providing and avionics demand data side it is characterised in that: described avionics data providing includes logical
Cross the avionics data forwarding software that aeronautical data bus is write to each other with avionics system, avionics demand data side includes and avionics
The Ethernet app of data forwarding software communication contact；Include in described avionics data forwarding software data processing module and
Adbp Communications Processor Module；Described data processing module is used for the avionics data that parsing receives from avionics system, and passes through
Adbp Communications Processor Module processes the request of data from each Ethernet app；Described adbp Communications Processor Module is used for from number
Obtain the information of avionics data that Ethernet app is asked according to processing module, after adbp encapsulation, then by packaged data
Feed back to each Ethernet app of request avionics data.
Specifically, include in described data processing module,
Avionics data receipt unit: receive the avionics data sending from avionics system；
Avionics data resolution unit: the avionics data receiving from avionics system is parsed；
Ethernet data resolution unit: parsing sends from Ethernet app, and need to write the number of avionics system
According to；
Ethernet data transmitting element: the data being parsed is write air line by aeronautical data bus.
Further, the present invention also provides a kind of avionics data forwarding method based on adbp communication, comprising: by number
To there is provided avionics data message according to processing module, then to pass through adbp Communications Processor Module and process the number from each Ethernet app
According to request, and according to request situation, obtain the information of asked avionics data from data processing module, using adbp encapsulation
Afterwards, by adbp communication pattern, data feedback is given each Ethernet app of request avionics data, described adbp communication process mould
Arinc834-3 agreement is followed in communication between block and Ethernet app.
Wherein, the avionics data that described data processing module parsing receives from avionics system, and according to Ethernet app's
Request of data situation, it then follows arinc834-3 agreement, the analysis result of corresponding avionics data is entered encapsulation, then is communicated by adbp
Processing module is by packaged avionics data forwarding in corresponding Ethernet app.
Further, described data processing module is also responsible for parsing sending from Ethernet app and needing write boat
Analysis result, after being parsed, is write avionics system by aeronautical data bus by the data of electric system.
Furthermore, described adbp Communications Processor Module receives the various of the application program having demand in Ethernet to aeronautical data
Request message, then follows arinc834-3 agreement and request message is parsed, and according to comprising in request message to boat
The solicited message of electric data is confirmed one by one, finally according to available avionics data cases, constructs the feedback of request message
Message is sent to each Ethernet app of request avionics data.
In the present invention, comprise the following steps when Ethernet app needs some avionics parameters arranging avionics system:
Setting avionics parameter: the avionics parameter information needing setting is encapsulated into set avionics data by Ethernet app
In xml request file；
The response of setting avionics parameter: adbp Communications Processor Module is parsed to demand file and generated response
Xml, and by the errorcode in response xml come the correctness of confirmation request file, feed back to Ethernet app；
If demand file is effectively, the information needing the avionics parameter of setting is passed through aviation number by adbp Communications Processor Module
According to the incoming avionics system of bus, and then corresponding avionics data in avionics system is set；If demand file is invalid, adbp communicates
Analysis result is fed back to Ethernet app by processing module.
Furthermore, comprise the following steps when Ethernet app needs some avionics parameters of single acquisition avionics system:
Obtain avionics parameter: Ethernet app is needed the title of the avionics parameter obtaining to be encapsulated into get avionics
In data xml request file；
Obtain the response of avionics parameter: adbp Communications Processor Module parses to demand file, obtaining Ethernet app needs
The title of avionics parameter to be obtained, provide the information of available avionics parameter, and feedback can not provide or nonrecognition simultaneously
Avionics parameter, and the correctness of confirmation request file is carried out by errorcode, then above- mentioned information is fed back to Ethernet app.
In the present invention, the bag when Ethernet app needs the information constantly obtaining the avionics parameter that changes of avionics system
Include following steps:
Subscribe to the Parameters variation of avionics system: Ethernet app is needed the title of the avionics parameter obtaining to be encapsulated into
In subscribe avionics data on event xml request file；
Subscribe to the response of the Parameters variation of avionics system: adbp Communications Processor Module parses to demand file, obtain
The title of the avionics parameter that Ethernet app needs obtain, and the information of available avionics parameter is provided, feedback can not carry simultaneously
For or nonrecognition avionics parameter, and the correctness carrying out confirmation request file by errorcode, then above- mentioned information is fed back
To Ethernet app；
Notice during the avionics parameter change subscribed in demand file: adbp Communications Processor Module carries according in demand file
For effective COM1, with Ethernet app set up for transmit its subscription and discernible avionics data logical
Letter link, when available avionics parameter changes, adbp Communications Processor Module is by the information of the avionics changing parameter
Send Ethernet app to.
Include following step when Ethernet app needs the information periodically obtaining some avionics parameters of avionics system
Rapid:
Subscribe to avionics parameter request: Ethernet app is needed the title of the avionics parameter obtaining to be encapsulated into subscribe
In avionics parameters xml request file；
Subscribe to avionics parameter to respond: adbp Communications Processor Module parses to demand file, obtaining Ethernet app needs
The title of the avionics parameter obtaining, and the information of available avionics parameter is provided, simultaneously feedback can not provide or nonrecognition
Avionics parameter, carrys out the correctness of confirmation request file simultaneously, then above- mentioned information is fed back to Ethernet by errorcode
app；
Avionics parameter periodic advertisement: adbp Communications Processor Module is according to the effective communication ends providing in demand file
Mouthful, set up with Ethernet app needs the communication link of avionics data that periodically provide and discernible, adbp for transmission
Communications Processor Module is according to the refreshperiod information in demand file, that Ethernet app is asked and can be identified
The Information encapsulation of avionics data becomes publish avionics parameters xml document, sends Ethernet app to.
Avionics data forwarding system and method that the present invention is communicated based on adbp, its can realize avionics core network and with
Reliable data transfer too between net network, provides effectively for the efficient communication between avionics core network and traditional ethernet
Approach；The forwarding destination of its avionics data that clearly need not be received by address mapping table is it is only necessary to according to avionics number
To determine the forwarding destination of the data receiving according to the data that requesting party is asked, motility is higher；Meanwhile, it is achievable right
Traditional ethernet business software conditions of demand to different avionics data according to itself, the presentation mode of customization data, realize high
Imitate reliable data, services；Additionally, it can effectively confirm the effective of each avionics parameter that avionics demand data side is asked
Property, and the effectiveness of its each avionics parameter asked accurately is pointed out in request response, facilitate checking data request
Correctness, thus obtain valid data.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of messaging diagrams of specific embodiment of avionics data forwarding system based on adbp communication of the present invention；
Fig. 2 is avionics data forwarding software and a kind of block diagram of specific embodiment of adbp Communications Processor Module in the present invention；
Fig. 3 is avionics data forwarding software and a kind of connection diagram of specific embodiment of Aerial Electronic Equipment in the present invention；
Fig. 4 is the Principle of Communication figure of adbp Communications Processor Module in 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 description is it is clear that described embodiment is only a part of embodiment of the present 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 not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
A kind of as shown in figure 1, present invention provides avionics data forwarding system based on adbp communication, comprising: avionics system
System 10, avionics data providing and avionics demand data side, described avionics data providing includes by aeronautical data bus
Avionics data forwarding software (the adts:avioincs data transmit that 12 are write to each other with avionics system 10
Software) 20, avionics demand data side includes the Ethernet application program write to each other with avionics data forwarding software 20
(app:application) 30；Include data processing module 22 in described avionics data forwarding software 20 and aeronautical data is wide
Broadcast agreement (adbp:avionics data broadcast protocol) Communications Processor Module 24；Described data processing module
22 be used for parsing connects the 10 avionics data receiving from avionics system, and by adbp Communications Processor Module 24 process from each with
Net very much the request of data of app30；Described adbp Communications Processor Module 24 is used for obtaining Ethernet app30 from data processing module 22
The information of the avionics data asked, after adbp encapsulation, more packaged data feedback is given each of request avionics data
Individual Ethernet app.The avionics data forwarding system that the present invention is communicated based on adbp, avionics data forwarding software 20 passes through adbp and leads to
Letter, by what its avionics data coming from avionics system 10 reception was effectively distributed to each corresponding avionics data of needs be
Unite, Ethernet app30 also will be communicated by adbp it would be desirable to the information of the avionics parameter arranging passes through avionics core network simultaneously
It is sent in avionics system 10.Avionics data forwarding software 20 adopts adbp communication pattern, and needs avionics data according to each
The request mode to different avionics data for the Ethernet app30, targetedly to distribute avionics data, thus realizing having of data
Effect provides the effectively utilizes with resource.
The present invention can realize effective distribution of avionics data and efficient (offer of data timely and appropriate discovery) receives, effectively utilizes
The network bandwidth, and make avionics demand data side that the different demands state of different avionics data is all met well.Wherein,
Described data processing module 22 1 aspect is responsible for receiving the avionics data receiving with parsing from avionics system 10；On the other hand negative
Duty parsing is Ethernet service software from Ethernet app30() send, and need to write the data in avionics domain, i.e. this number
It is responsible for parsing the avionics data receiving from avionics system 10 according to processing module 22 1 aspect, and the number according to Ethernet app30
According to request situation, it then follows arinc834-3 agreement, the analysis result of corresponding avionics data is entered encapsulation, relends and help adbp mailing address
Reason module 24 is by packaged avionics data forwarding in corresponding Ethernet app30；On the other hand it is responsible for parsing from Ethernet
App30 sends, and needs to write the data in avionics domain, after being parsed, will parse knot by aeronautical data bus 12
Fruit write avionics domain.The major function of described adbp Communications Processor Module 24 is to receive in traditional ethernet, aeronautical data to be had to need
The various request messages of the application program asked, then follow arinc834-3 agreement and request message are parsed, and according to please
The solicited message to avionics data comprising in message is asked to be confirmed one by one, then according to available avionics data cases,
The feedback message of construction request message, additionally, always according to the situation of change of request type and requested avionics data, have pin
Offer corresponding avionics data to property, provides the opportunity of avionics data and species then to be navigated to different by avionics demand data side
The request type of electric data is determining.As shown in Fig. 2 as a kind of specific embodiment of the present invention, described data processing module
Include in 22, avionics data receipt unit 222: for receiving the avionics data sending from avionics system 10；Avionics data solution
Analysis unit 224: for parsing to the avionics data receiving from avionics system 10；Ethernet data resolution unit 226: parsing
Send from Ethernet app30, and need to write the data of avionics system 10；Ethernet data transmitting element 228: will solve
Analyse the data completing and air line 10 is write by aeronautical data bus 12.The present invention is using based on arinc834-3 agreement
Adbp communication mode, not only continues the reliability of tcp communication, can also allow the demand data can be according to itself to various avionics numbers
According to conditions of demand, by suitable mode to data providing request data, thus obtain meet itself to different pieces of information
Different demands, are effectively utilized bandwidth resources, and are prevented effectively from the heavy burden that junk data brings.
A kind of concrete application embodiment of the avionics data forwarding system being communicated based on adbp as the present invention, described avionics
Data forwarding software 20 is in aircraft with the connection of specific Aerial Electronic Equipment as shown in figure 3, described avionics system 10 is in figure
The connection of control domain to avionics core network mobile system 10 ', itself and the avionics gateway (ag) 40 being in information recipient domain
Connected by aeronautical data bus communication, in this avionics gateway (ag) 40, include avionics data forwarding software 20.This avionics net
Close 40 to write to each other with the Security routing module (srm) 41 being in outside open field by Ethernet.Meanwhile, this outside open field
The interior information system display terminal 42 that can also include writing to each other with Security routing module 41 respectively, airport radio communication device
Interior 43, cabin systems 44 and ground system 45.In the present embodiment, the mobile system 10 ' of described avionics core network and avionics
(afdx:avionics full can be exchanged by avionic full-duplex communication Ethernet between data forwarding software 20
Duplex switched ethernet) bus 26 and arinc429 bus 28 write to each other；Described avionics gateway 40 passes through thousand
Mbit ethernet is write to each other with Security routing module 41；Security routing module 41 is wireless with information system display terminal 42, airport
IOC (ioc) 442 in airport wireless communication unit (awcu) 432 in communicator 43, cabin systems 44,
And all write to each other by 100 m ethernet between the ground-support equipment (gss) 452 in ground system 45.In above-described embodiment
In, as avionics data providing, the Aerial Electronic Equipment in outside open field is as avionics for the mobile system 10 ' of avionics core network
Demand data side, avionics data forwarding software 20 is communicated by adbp, and it is received from the mobile system 10 ' of avionics core network
The avionics data coming over effectively is distributed to the Aerial Electronic Equipment that each needs corresponding avionics data, needs simultaneously as avionics data
The Aerial Electronic Equipment of the side of asking also will be communicated by adbp it would be desirable to the information of the avionics parameter arranging is transmitted by avionics core network
To in the mobile system 10 ' of avionics core network.Avionics data forwarding software 20 is by the communication pattern of adbp, and each needs
Wanting the Aerial Electronic Equipment of the avionics data request mode to different avionics data, targetedly distributing avionics data, thus realizing
Effective offer of data and the effectively utilizes of resource.
Further, the present invention also provides a kind of avionics data forwarding method based on adbp communication, comprising: by number
To there is provided avionics data message according to processing module 22, then to pass through adbp Communications Processor Module 24 and process from each Ethernet
The request of data of app30, and according to request situation, obtain the information of asked avionics data from data processing module 22, adopt
After adbp encapsulation, by adbp communication pattern, data feedback is given each Ethernet app30 of request avionics data, described
Arinc834-3 agreement is followed in communication between adbp Communications Processor Module 24 and Ethernet app30.The present invention is based on
The adbp communication mode of arinc834-3, there is provided multiple request of data modes, application program can be according to itself to avionics number
According to conditions of demand to select different avionics data application ways, thus realizing the effectively utilizes of data.Meanwhile, provide to please
The affirmation mechanism of the avionics parameter asked, and by errorcode and validity, the data to the request of avionics demand data side
Accurately confirmed: and provide the information of its available parameter in confirming message (response xml) it is indicated that can not carry
For parameter, facilitate the upright really request data of avionics demand data and effectively obtain data.Additionally, avionics demand data side is only
The xml encapsulation mode following arinc834-3 agreement is needed data is parsed, you can to obtain the data of request, without volume
Go outward to carry out excessive data structure bag agreement with avionics data providing.
Wherein, described data processing module 22 1 aspect is responsible for receiving the avionics number receiving with parsing from avionics system 10
According to, and the request of data situation according to Ethernet app30, it then follows arinc834-3 agreement, by the parsing knot of corresponding avionics data
Fruit enter encapsulation, then by adbp Communications Processor Module 24 by packaged avionics data forwarding in corresponding Ethernet app30.
Further, described data processing module 22 is also responsible for parsing sending from Ethernet app30 and needing to write avionics system
Analysis result, after being parsed, is write avionics system 10 by aeronautical data bus 12 by the data of system 10.
Furthermore, described adbp Communications Processor Module 24 receives each of the application program having demand in Ethernet to aeronautical data
Plant request message, then follow arinc834-3 agreement and request message is parsed, and right according to comprise in request message
The solicited message of avionics data is confirmed one by one, finally according to available avionics data cases, constructs the anti-of request message
Feedback message is sent to each Ethernet app of request avionics data.Additionally, adbp Communications Processor Module 24 always according to request type with
And the situation of change of requested avionics data, corresponding avionics data is targetedly provided, the opportunity of avionics data is provided
And species then to be determined to the request type of different avionics data by avionics demand data side.The present invention is based on adbp and communicates,
Only need to determine the forwarding destination of the avionics data receiving, motility according to the data that avionics request of data side is asked
Higher.
In the present invention, arinc834-3 agreement is followed in the communication of adbp Communications Processor Module 24 and traditional ethernet app30,
Adbp communication can be directed to itself conditions of demand to different avionics data, realizes realizing using adbp to different avionics data
Effective forwarding of avionics data, it only needs to determine the data that receives according to the data that avionics request of data side is asked
Forward destination, motility is higher；Meanwhile, adbp communication is exclusively for the avionics data wound needing periodically or needing monitoring change
Build single data link, the special safety strengthening this data link can be passed through, so that required data
Safety higher.Specifically, the adbp Principle of Communication in the present invention is as shown in Figure 4:
Comprise the following steps when Ethernet app30 needs some avionics parameters arranging avionics system 10:
Setting avionics parameter (set avionics data): Ethernet app30 will need the avionics parameter information envelope of setting
It is attached in set avionics data xml request file, that is, the Ethernet app30 as avionics demand data side will need to set
The avionics parameter information put becomes request xml document according to adbp protocol encapsulation, is sent to by Ethernet and is used as avionics data and carries
The avionics data forwarding software 22 of supplier.
The response (set avionics data response) of setting avionics parameter: adbp Communications Processor Module 24 receives
To after demand file, demand file is parsed and is generated with response xml, and by response xml
Errorcode carrys out the correctness of confirmation request file, feeds back to Ethernet app；If demand file is effectively, adbp communication process
The information needing the avionics parameter of setting is passed through the incoming avionics system 10 of aeronautical data bus 12 by module 24, and then arranges avionics
Corresponding avionics data in system 10；If demand file is invalid, adbp Communications Processor Module 24 by analysis result feed back to
Net very much app30.In this step, avionics data forwarding software 22 receives from Ethernet app30 according to adbp protocol analysis
Xml document, have in xml document a field be errorcode, if successfully resolved, represent Ethernet app30 request literary composition
Effectively, then setting errorcode is " correct " to part, by xml response to Ethernet app30, and will by avionics data/address bus 12
The request of Ethernet app30 is submitted to avionics system 10；If parsing unsuccessfully, the corresponding errorcode of setup failed reason,
By xml response to Ethernet app30.
Furthermore, comprise the following steps when Ethernet app30 needs some avionics parameters of single acquisition avionics system 10:
Obtain avionics parameter (get avionics data): the name of the avionics parameter that Ethernet app30 is needed to obtain
Claim to be encapsulated in get avionics data xml request file.
Obtain the response (get avionics data response) of avionics parameter: adbp Communications Processor Module 24 receives
To after demand file, demand file is parsed, obtain the title of the avionics parameter that Ethernet app30 needs to obtain, and
According to the situation of itself available avionics parameter, provide the information of available avionics parameter, simultaneously feedback can not provide or
The avionics parameter (being identified by the validity attribute of this parameter) of nonrecognition, and carry out confirmation request literary composition by errorcode
The correctness of part, then by above- mentioned information and generate response xml, feeds back to Ethernet app30.
In the present invention, when Ethernet app30 needs constantly to obtain the information of the avionics parameter that changes of avionics system 10
When comprise the following steps:
Subscribe to the Parameters variation (subscribe avionics data on event) of avionics system: Ethernet app30
The title being needed the avionics parameter obtaining is encapsulated into subscribe avionics data on event xml request literary composition
In part.
Subscribe to response (the subscribe avionics data on event of the Parameters variation of avionics system
Response): after adbp Communications Processor Module 24 receives demand file, according to the form of adbp agreement, demand file is entered
Row parsing, the title of the avionics parameter that acquisition Ethernet app30 needs obtain, and the information of available avionics parameter is provided,
Simultaneously feedback can not provide or nonrecognition avionics parameter (being identified by the validity attribute of this parameter), and by
Errorcode carrys out the correctness of confirmation request file, then above- mentioned information is fed back to Ethernet app.
Notice (on event avionics data) during the avionics parameter change subscribed in demand file: adbp communication
Processing module 24, according to the effective COM1 (publish port) providing in demand file, is set up with Ethernet app30
For transmit its subscription and discernible avionics data communication link, when available avionics parameter changes
When, the Information encapsulation of the avionics changing parameter is become on event avionics data xml by adbp Communications Processor Module 24
File, sends Ethernet app30 to, can effectively realize the monitoring to specific avionics parameter.
Include following when Ethernet app30 needs the information periodically obtaining some avionics parameters of avionics system 10
Step:
Subscribe to avionics parameter request (subscribe avionics parameters): Ethernet app30 is needed to obtain
The title of the avionics parameter taking is encapsulated in subscribe avionics parameters xml request file.
Subscribe to avionics parameter and respond (subscribe avionics parameters response): adbp communication process
After module 24 receives demand file, demand file is parsed, obtain the avionics parameter that Ethernet app30 needs to obtain
Title, and provide itself information of available avionics parameter, the information of available avionics parameter be provided, feed back not simultaneously
Can provide or nonrecognition avionics parameter (being identified by the validity attribute of this parameter), simultaneously by errorcode come
Then above- mentioned information is merged and generates response xml, feed back to Ethernet app30 by the correctness of confirmation request file.
Avionics parameter periodic advertisement (publish avionics parameters): adbp Communications Processor Module 24
According to the effective COM1 (publish port) providing in demand file, set up for transmitting needs with Ethernet app30
Communication link that periodically provide and discernible avionics data, adbp Communications Processor Module 24 is according in demand file
Refreshperiod information, the Information encapsulation of avionics data that is that Ethernet app30 is asked and being identified becomes
Publish avionics parameters xml document, sends Ethernet app30 to, thus can periodically obtain specific
The information of avionics parameter.
Certainly, when Ethernet app30 no longer by its asked newly-built communication link obtain change avionics data or
During person's periodic avionics data, can ask to close corresponding COM1 by unsubscribing (unsubscribe), thus
Close corresponding link.Then carry out unsubscribing the response (unsubscribe response) of request: adbp communication process
Module 24 carrys out the correctness of identification request file again by errorcode and validity in response xml.By
Arinc834-3 protocol specification is all followed in communication in adbp Communications Processor Module 24 and traditional ethernet app30, therefore they
Between communication need not carry out extra agreement it is possible to according to carrying out efficient communication.Furthermore, the present invention is exclusively for needing the cycle
Property or need the single data link of avionics data creation of monitoring change, this data link can be strengthened by special
Safety so that the safety of required data is higher.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of avionics data forwarding method based on adbp communication is it is characterised in that provide boat by data processing module
Electric data message, then passes through adbp Communications Processor Module and processes request of data from each Ethernet app, and according to please plead
Condition, obtains the information of asked avionics data from data processing module, after adbp encapsulation, by adbp communication pattern,
Data feedback is given each Ethernet app of request avionics data, logical between described adbp Communications Processor Module and Ethernet app
Arinc834-3 agreement followed by letter, comprises the following steps when Ethernet app needs some avionics parameters arranging avionics system:
Setting avionics parameter: the avionics parameter information needing setting is encapsulated into set avionics data xml by Ethernet app
In demand file；
The response of setting avionics parameter: adbp Communications Processor Module is parsed to demand file and generated response xml,
And by the errorcode in response xml come the correctness of confirmation request file, feed back to Ethernet app；
If demand file is effectively, it is total that the information needing the avionics parameter of setting is passed through aeronautical data by adbp Communications Processor Module
The incoming avionics system of line, and then corresponding avionics data in avionics system is set；If demand file is invalid, adbp communication process
Analysis result is fed back to Ethernet app by module.
2. the avionics data forwarding method based on adbp communication as claimed in claim 1 is it is characterised in that described data processing
The avionics data that module parsing receives from avionics system, and the request of data situation according to Ethernet app, it then follows
Arinc834-3 agreement, the analysis result of corresponding avionics data is packaged, then will be encapsulated by adbp Communications Processor Module
Good avionics data forwarding is in corresponding Ethernet app.
3. the avionics data forwarding method based on adbp communication as claimed in claim 2 is it is characterised in that described data processing
Module is also responsible for parsing sending from Ethernet app and needing to write the data of avionics system, after being parsed, by boat
Analysis result is write avionics system by empty data/address bus.
4. the avionics data forwarding method based on adbp communication as claimed in claim 3 is it is characterised in that described adbp communicates
Processing module receives the various request messages of the application program having demand in Ethernet to aeronautical data, then follows
Arinc834-3 agreement parses to request message, and according to comprising in request message the solicited message of avionics data is entered
Row confirms one by one, and finally according to available avionics data cases, the feedback message constructing request message is sent to request avionics
Each Ethernet app of data.
5. as described in any one of claim 1-4 based on adbp communication avionics data forwarding method it is characterised in that when with
Too net app needs to comprise the following steps during some avionics parameters of single acquisition avionics system:
Obtain avionics parameter: Ethernet app is needed the title of the avionics parameter obtaining to be encapsulated into get avionics data
In xml request file；
Obtain the response of avionics parameter: adbp Communications Processor Module parses to demand file, obtaining Ethernet app needs to obtain
The title of the avionics parameter taking, provides the information of available avionics parameter, simultaneously feedback can not provide or nonrecognition avionics
Parameter, and the correctness of confirmation request file is carried out by errorcode, then above- mentioned information is fed back to Ethernet app.
6. as described in any one of claim 1-4 based on adbp communication avionics data forwarding method it is characterised in that when with
Too net app needs to comprise the following steps during the information of the avionics parameter that changes constantly obtaining avionics system:
Subscribe to the Parameters variation of avionics system: Ethernet app is needed the title of the avionics parameter obtaining to be encapsulated into
In subscribe avionics data on event xml request file；
Subscribe to the response of the Parameters variation of avionics system: adbp Communications Processor Module parses to demand file, obtain ether
Net app needs the title of avionics parameter obtaining, and provides the information of available avionics parameter, simultaneously feedback can not provide or
The avionics parameter of nonrecognition, and carry out the correctness of confirmation request file by errorcode, then by above- mentioned information feed back to
Net very much app；
Notice during the avionics parameter change subscribed in demand file: adbp Communications Processor Module is according to offer in demand file
Effectively COM1, with Ethernet app set up for transmit its subscription and discernible avionics data communication chain
Road, when available avionics parameter changes, adbp Communications Processor Module is by the information transmission of the avionics changing parameter
To Ethernet app.
7. as described in any one of claim 1-4 based on adbp communication avionics data forwarding method it is characterised in that when with
Too net app needs to comprise the following steps during the information of some avionics parameters periodically obtaining avionics system:
Subscribe to avionics parameter request: Ethernet app is needed the title of the avionics parameter obtaining to be encapsulated into subscribe
In avionic parameters xml request file；
Subscribe to avionics parameter to respond: adbp Communications Processor Module parses to demand file, obtaining Ethernet app needs to obtain
Avionics parameter title, and provide the information of available avionics parameter, simultaneously feedback can not provide or nonrecognition avionics
Parameter, carrys out the correctness of confirmation request file simultaneously by errorcode, then above- mentioned information is fed back to Ethernet app；
Avionics parameter periodic advertisement: adbp Communications Processor Module according in demand file provide effective COM1, with
Ethernet app sets up the communication link needing avionics data that periodically provide and discernible for transmission, and adbp communicates
Processing module according to the refreshperiod information in demand file, avionics that is that Ethernet app is asked and being identified
The Information encapsulation of data becomes publish avionic parameters xml document, sends Ethernet app to.
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| CA3001924A1 (en) * | 2015-10-22 | 2017-04-27 | Thales Alenia Space Italia S.P.A. Con Unico Socio | Method and systems for increasing capacity and safety of aeronautical safety-of-life services and data links |
| CN106452918B (en) * | 2016-11-23 | 2019-04-26 | 北京润科通用技术有限公司 | A kind of communication means and system of avionics network system |
| CN110798413A (en) * | 2019-11-06 | 2020-02-14 | 北航（四川）西部国际创新港科技有限公司 | ARINC 664 aviation Ethernet and standard Ethernet data conversion method |
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| CN101483643A (en) * | 2008-12-19 | 2009-07-15 | 北京华力创通科技股份有限公司 | Data conversion method and apparatus |
| CN103023784A (en) * | 2012-12-20 | 2013-04-03 | 中电科航空电子有限公司 | System and method for safety communications between aeronautical data bus and Ethernet |
| CN203206280U (en) * | 2012-12-20 | 2013-09-18 | 中电科航空电子有限公司 | System enabling secure communication between various kinds of avionics data buses and Ethernet |
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| US4992946A (en) * | 1988-06-20 | 1991-02-12 | General Electric Company | Data link for gas turbine engine control |
| CN101483643A (en) * | 2008-12-19 | 2009-07-15 | 北京华力创通科技股份有限公司 | Data conversion method and apparatus |
| CN103023784A (en) * | 2012-12-20 | 2013-04-03 | 中电科航空电子有限公司 | System and method for safety communications between aeronautical data bus and Ethernet |
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