CN106533871A - Release subscription method and system based on AFDX bus - Google Patents
Release subscription method and system based on AFDX bus Download PDFInfo
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- CN106533871A CN106533871A CN201610989229.1A CN201610989229A CN106533871A CN 106533871 A CN106533871 A CN 106533871A CN 201610989229 A CN201610989229 A CN 201610989229A CN 106533871 A CN106533871 A CN 106533871A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40052—High-speed IEEE 1394 serial bus
- H04L12/40078—Bus configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/4028—Bus for use in transportation systems the transportation system being an aircraft
Abstract
The invention discloses a release subscription method and system based on an AFDX bus. The method specifically comprises the following steps: configuring corresponding bus resources on an AFDX end system and the AFDX bus; configuring a plurality of subscription ports, wherein the plurality of subscription ports comprises a plurality of data release ports and a plurality of data receiving ports; and configuring a global data area, wherein the global data area is used for storing data received by the data receiving ports, and forwarding data receiving ports to the data release ports and requesting corresponding data from the data release ports according to a received request. By adoption of the method and system, a designer does not need to face to complex configuration properties of the AFDX bus while performing an application logic design according to a system scheme, and only needs to receive and send data through the release subscription ports while performing the application logic design according to the system scheme, thereby reducing the workload of the designer, and thus the design period is effectively controlled.
Description
Technical field
The application is related to avionics field, more particularly, it relates to a kind of distribution subscription based on AFDX buses
Method and system.
Background technology
It is an electronics defined based on standard and agreement that avionic full-duplex communication Ethernet exchanges (AFDX buses)
Specification (IEEE802.3 and ARINC 664Part7), which is applied to avionics system, for for aviation subsystem on aircraft it
Between carry out data exchange.It provides the star topology of up to 24 terminal systems, and which allows connection redundancy to ensure
Bandwidth and service quality.AFDX also allows attachment to other STD bus such as ARINC429 or MIL-STD-1553 and waits until net
Network, and permission is by gateway and route is with other adaptation ARINC-664 but non-deterministic network is communicated.AFDX addresses
Using IEEE802.3 ethernet standards, but the concept of the asynchronous transfer mode using telecommunication standard, it is this to Ethernet
The extension of standard cause it is determined that network in ensure that bandwidth and service quality are possibly realized.
While AFDX buses bring high bandwidth, high reliability to avionics system, high complexity is also brought
Using and system design.There is dozens of AFDX end systems (ES), several AFDX switches, system in big Aircraft electric network
It is topological complicated, higher requirement is brought to Application Design.Designer is being carried out using the same of logical design according to system schema
When, in addition it is also necessary to it is familiar with and designs AFDX bus relevant configurations.Due to the configuration feature that AFDX buses are complicated, the work of designer is caused
Work amount is very big, so that the design cycle extends.
The content of the invention
In view of this, the application provides a kind of distribution subscription method and system based on AFDX buses, for reducing design
The workload of person, to avoid the occurrence of the problem of design cycle prolongation.
To achieve these goals, it is proposed that scheme it is as follows：
A kind of distribution subscription method based on AFDX buses, comprises the steps：
Corresponding bus resource on AFDX end systems and the AFDX buses is configured by the method for describing；
The multiple distribution subscription ports for application-oriented data of configuration, the distribution subscription port are data publication port
Or data receiver port；
Configuration global data area, the global data area are used for storing the data receiver port received data, and
The data corresponding with the request are forwarded to the data publication port according to the request for receiving.
Optionally, the method by describing, to corresponding bus resource on AFDX end systems and the AFDX buses
Configured, including：
The allocation list with XML file as carrier is issued, the allocation list description has configuration parameter and incidence relation；
The AFDX end systems are configured according to the configuration parameter；
The relation of the bus resource is configured according to the incidence relation.
Optionally, the bus resource includes the virtual link and FPDP of the AFDX buses.
Optionally, the configuration global data area, including：
The routing configuration table with XML file as carrier is issued, the routing configuration table includes the routing relation between data.
A kind of distribution subscription system based on AFDX buses, including：
Distribution subscription configuration module, for the method by description, to corresponding on AFDX end systems and the AFDX buses
Bus resource configured；
Port configuration module, for configuring multiple distribution subscription ports for application-oriented data, the distribution subscription
Port is data publication port or data receiver port；
Distribution subscription intermediate module, for configuring global data area, the global data area is connect for storing the data
Receiving end mouth received data, and forwarded to the data publication port according to the request for receiving corresponding with the request
Data.
Optionally, the distribution subscription configuration module includes：
Allocation list release unit, for issuing the allocation list with XML file as carrier, the allocation list description has configuration ginseng
Number and incidence relation；
First dispensing unit, for configuring to the AFDX end systems according to the configuration parameter；
Second dispensing unit, for configuring to the relation of the bus resource according to the incidence relation.
Optionally, the bus resource includes the virtual link and FPDP of the AFDX buses.
Optionally, the distribution subscription intermediate module is specifically for issuing the routing configuration table with XML file as carrier, institute
Stating routing configuration table includes the routing relation between data.
It can be seen from above-mentioned technical scheme that, this application discloses a kind of distribution subscription method based on AFDX buses and
System, concrete grammar and system are corresponding bus resource on AFDX end systems and AFDX buses to be carried out by the method for describing
Configuration；Multiple subscription ports are configured, multiple subscription ports include multiple data publication ports and multiple data receiver ports；Configuration
Global data area, global data area are used for data storage receiving port received data, and according to the request for receiving to number
The data corresponding with request are forwarded according to port is issued.Method and system by more than, designer are entering according to system schema
Go using while logical design, in the face of the complicated configuration feature of AFDX buses, but need not carry out answering according to system schema
While using logical design, only data transmit-receive need to be carried out in the face of distribution subscription port, reduce the workload of designer, from
And make the design cycle be effectively controlled.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
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
Some embodiments of application, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of flow chart of distribution subscription embodiment of the method based on AFDX buses that Fig. 1 is provided for the application；
A kind of structured flowchart of distribution subscription system embodiment based on AFDX buses that Fig. 2 is provided for the application；
Structured flowchart of the another kind that Fig. 3 is provided for the application based on the distribution subscription system of AFDX buses.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than the embodiment of whole.It is based on
Embodiment in the application, 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 the application protection.
Embodiment one
A kind of flow chart of distribution subscription embodiment of the method based on AFDX buses that Fig. 1 is provided for the application.
As shown in figure 1, the method for designing that the present embodiment is provided is used for simplifying the design of aerospace applications system, concrete steps bag
Include：
S101：The bus resource of AFDX end systems and AFDX buses is configured.
Specifically, the description method based on XML file, describes distribution subscription theme topic using corresponding XML file
With the corresponding relation of bus resource in AFDX buses, bus resource includes virtual link, FPDP etc..Concrete condition is as follows：
The allocation list with XML file as carrier is issued first, plurality of kinds of contents is included in the allocation list, and wherein at least includes matching somebody with somebody
Put parameter and incidence relation；
Then, AFDX end systems are configured according to above-mentioned configuration parameter, specially configures the equipment of AFDX end systems
ID, end system state, end system title.
Finally, the incidence relation for being described using above-mentioned XML file is configured to the bus resource of AFDX buses, including：
Configuration VL (Virtual link, virtual link)；
Configuration No. VL, VL directions, configure VL maximum frame sizes, configuration VL practical communications physical channel (A nets/B nets/A B nets
Redundancy)；
The configuration FPDP such as receiving port and sending port：
Configuration receiving port ID, receiving port type (Sampling_or_Queuing), receiving port purpose subregion, connect
Receiving end mouth purpose UDP (User Datagram Protocol, UDP) port；
Configuration sending port ID, purpose equipment ID, sending port purpose subregion, sending port purpose udp port, transmitting terminal
Whether mouth enables framing, purpose IP address type (multicast, unicast), sending port type (cycle or aperiodic), transmitting terminal
Mouth message cycle, source partition, source port.
In addition, also including configuring distribution subscription message, for example, transmitting terminal is defined using corresponding program language
Mouthful, issue port, issue data field, receiving port, subscribe to port, subscribe to data field, AFDX end systems 1, AFDX end systems 2,
AFDX end systems 3, AFDX ports 0, AFDX ports 1 etc..
Wherein, sending port is configured for issuing port, and its issue data field (PTOPIC) of association；Configuration receiving port
For subscribing to port, and its subscription data field (STOPIC) of association；AFDX end systems 1 subscribe to node as system, at AFDX ends
Fuel quantity message be have subscribed on mouth 0, engine temperature message be have subscribed on AFDX ports 1, when application layer carries out amount of fuel
When data or engine temperature read, it is not necessary to be concerned about this data bottom communication principle, can be completed using corresponding API on upper strata
Data acquisition；
AFDX end systems 2 have issued hydraulic pressure message, at AFDX ends on AFDX ports 2 as system publisher node
Brake angle has been issued on mouth 3.For hydraulic pressure sensor or brake angular transducer designer only need to use
Corresponding port of issuing carries out related data issue.
The configuration tool of AFDX distribution subscriptions is used for ensureing associating for upper layer data port and bottom AFDX data, it is ensured that answer
With the concordance with bottom communication.
S102：The multiple distribution subscription ports towards concrete application data of configuration.
By configuring to bus, there is provided multiple standards for the distribution subscription port issuing or subscribe to, above-mentioned
Cloth subscribes to port towards concrete application data, respectively including multiple data publication ports and multiple data receiver ports.
Using designer only need in the face of distribution subscription port.For sensor terminal or AFDX remote data concentrations
Device, it is only necessary to towards the data publication port of concrete application, issuing function application data.For avionics core processor is only needed to
Towards concrete application data subscription port, application data interested is subscribed to, so as to reduce design complexities.
For example, the following distribution subscription port that can be provided：
1. SubScribeFuelOil ports：Fuel quantity port is subscribed to, fuel oil oil by directly invoking this port, is completed
The acquisition of amount data；
2. SubScribeEngineTemperature ports：Engine temperature port is subscribed to, this port is directly invoked i.e.
The acquisition of engine temperature data can be completed；
3. PublishHydraulicPressure ports：Hydraulic pressure issues FPDP, and designer calls this port
Hydraulic pressure can be published on aviation electronics AFDX data network；
4. PublishBrakeAngle ports：Brake angle issues FPDP, and designer will stop by calling this port
Car angle is published on aviation electronics AFDX data network.
S103：Configuration global data area.
The global data area is received for receiving simultaneously data storage receiving port towards above-mentioned distribution subscription port
Data；Be additionally operable to according to the request that receives and aforementioned incidence relation will data forwarding corresponding with the request to data publication end
Mouthful.
Data distributing DDS (DataDistributionService) be OMG (OMG) in HLA and
The New-generation distributed real-time Communication for Power middleware Technology specification formulated on the basis of the standards such as CORBA, DDS adopt publish/subscribe
Architectural framework, emphasizes data-centered, there is provided abundant QoS service quality policy, can ensure data carry out it is real-time, efficient,
Neatly distribute, various distributing real communication application demands can be met.DDS information distribution middleware is a kind of light, energy
The middleware Technology of real time information transmission is enough provided.
Here, based on Data distributing DDS, complete upper strata distribution subscription theme TOPIC data management and
Distribution in AFDX buses, reads corresponding distribution subscription TOPIC data from global data area first, and then basis is previously generated
XML file, on specified distribution subscription theme TOPIC data publications to AFDX buses, or subscribes in AFDX buses corresponding
Distribution subscription TOPIC data.
Configured according to above-mentioned XML file, application is published to the data of the FuelOil data fields in global data area, is passed through
AFDX bus ports 0 are sent in the middle of AFDX networks.By AFDX networks when 2 received data of middle port is parsed, parsing
HydraulicPressure data fields are put into after completing, and wait application layer to carry out data subscription.
In data publication concrete application, when corresponding aerospace applications system calls data publication port, data write is complete
Office data area.Global data area maintains the example of all data, by the setting of internal service quality, completes all data
Synchronization.Inquiry XML file is sent out simultaneously, by the theme TOPIC in the configuration file and the pass of the bus resource of AFDX buses
Connection relation, completes to issue data to the data forwarding of AFDX buses.
During data subscription, real-time reception AFDX bus datas, by inquiring about XML file, by AFDX bus datas
It is put into the global data area of correspondence theme TOPIC.When aerospace applications system carries out data subscription, directly from the middle of distribution subscription
The global data area of part carries out data subscription, need not be concerned about bottom AFDX buses.
From above-mentioned technical proposal as can be seen that present embodiments providing a kind of distribution subscription method based on AFDX buses,
Concrete grammar is corresponding bus resource on AFDX end systems and AFDX buses to be configured by the method for describing；Configuration is more
Individual subscription port, multiple subscription ports include multiple data publication ports and multiple data receiver ports；Configuration global data area,
Global data area is used for data storage receiving port received data, and is turned to data publication port according to the request for receiving
Send out the data corresponding with request.Method by more than, designer are being carried out using the same of logical design according to system schema
When, the complicated configuration feature of AFDX buses need not be faced, but while carrying out using logical design according to system schema, only
Data transmit-receive need to be carried out in the face of distribution subscription port, reduce the workload of designer, so that the design cycle is had
Effect control.
Embodiment two
A kind of structured flowchart of distribution subscription system embodiment based on AFDX buses that Fig. 2 is provided for the application.
As shown in Fig. 2 the design system that the present embodiment is provided is used for simplifying the design of aerospace applications system, specifically includes and send out
Cloth subscribes to configuration module 10, port configuration module 20 and distribution subscription intermediate module 30.
Distribution subscription configuration module 10 is for configuring to the bus resource of AFDX end systems and AFDX buses.
Specifically, the description method based on XML file, describes distribution subscription theme topic using corresponding XML file
With the corresponding relation of bus resource in AFDX buses, bus resource includes virtual link, FPDP etc..Specifically include allocation list
Release unit 11, the first dispensing unit 12 and the second dispensing unit 13, as shown in Figure 3.
Allocation list release unit 11 is used for issuing in the allocation list with XML file as carrier, the allocation list comprising various interior
Hold, wherein at least includes configuration parameter and incidence relation；
First dispensing unit 12 configures AFDX for configuring to AFDX end systems according to above-mentioned configuration parameter, specially
The device id of end system, end system state, end system title.
Second dispensing unit 13 is entered to the bus resource of AFDX buses for the incidence relation described using above-mentioned XML file
Row configuration, including：
Configuration VL (Virtual link, virtual link)；
Configuration No. VL, VL directions, configure VL maximum frame sizes, configuration VL practical communications physical channel (A nets/B nets/A B nets
Redundancy)；
The configuration FPDP such as receiving port and sending port：
Configuration receiving port ID, receiving port type (Sampling_or_Queuing), receiving port purpose subregion, connect
Receiving end mouth purpose UDP (User Datagram Protocol, UDP) port；
Configuration sending port ID, purpose equipment ID, sending port purpose subregion, sending port purpose udp port, transmitting terminal
Whether mouth enables framing, purpose IP address type (multicast, unicast), sending port type (cycle or aperiodic), transmitting terminal
Mouth message cycle, source partition, source port.
In addition, also including configuring distribution subscription message, for example, transmitting terminal is defined using corresponding program language
Mouthful, issue port, issue data field, receiving port, subscribe to port, subscribe to data field, AFDX end systems 1, AFDX end systems 2,
AFDX end systems 3, AFDX ports 0, AFDX ports 1 etc..
Wherein, sending port is configured for issuing port, and its issue data field (PTOPIC) of association；Configuration receiving port
For subscribing to port, and its subscription data field (STOPIC) of association；AFDX end systems 1 subscribe to node as system, at AFDX ends
Fuel quantity message be have subscribed on mouth 0, engine temperature message be have subscribed on AFDX ports 1, when application layer carries out amount of fuel
When data or engine temperature read, it is not necessary to be concerned about this data bottom communication principle, can be completed using corresponding API on upper strata
Data acquisition；
AFDX end systems 2 have issued hydraulic pressure message, at AFDX ends on AFDX ports 2 as system publisher node
Brake angle has been issued on mouth 3.For hydraulic pressure sensor or brake angular transducer designer only need to use
Corresponding port of issuing carries out related data issue.
The configuration tool of AFDX distribution subscriptions is used for ensureing associating for upper layer data port and bottom AFDX data, it is ensured that answer
With the concordance with bottom communication.
Port configuration module 20 is used for configuring multiple distribution subscription ports towards concrete application data.
By configuring to bus, there is provided multiple standards for the distribution subscription port issuing or subscribe to, above-mentioned
Cloth subscribes to port towards concrete application data, respectively including multiple data publication ports and multiple data receiver ports.
Using designer only need in the face of distribution subscription port.For sensor terminal or AFDX remote data concentrations
Device, it is only necessary to towards the data publication port of concrete application, issuing function application data.For avionics core processor is only needed to
Towards concrete application data subscription port, application data interested is subscribed to, so as to reduce design complexities.
For example, the following distribution subscription port that can be provided：
1. SubScribeFuelOil ports：Fuel quantity port is subscribed to, fuel oil oil by directly invoking this port, is completed
The acquisition of amount data；
2. SubScribeEngineTemperature ports：Engine temperature port is subscribed to, this port is directly invoked i.e.
The acquisition of engine temperature data can be completed；
3. PublishHydraulicPressure ports：Hydraulic pressure issues FPDP, and designer calls this port
Hydraulic pressure can be published on aviation electronics AFDX data network；
4. PublishBrakeAngle ports：Brake angle issues FPDP, and designer will stop by calling this port
Car angle is published on aviation electronics AFDX data network.
Distribution subscription intermediate module 30 is used for configuring global data area.
The global data area is received for receiving simultaneously data storage receiving port towards above-mentioned distribution subscription port
Data；Be additionally operable to according to the request that receives and aforementioned incidence relation will data forwarding corresponding with the request to data publication end
Mouthful.
Data distributing DDS (DataDistributionService) be OMG (OMG) in HLA and
The New-generation distributed real-time Communication for Power middleware Technology specification formulated on the basis of the standards such as CORBA, DDS adopt publish/subscribe
Architectural framework, emphasizes data-centered, there is provided abundant QoS service quality policy, can ensure data carry out it is real-time, efficient,
Neatly distribute, various distributing real communication application demands can be met.DDS information distribution middleware is a kind of light, energy
The middleware Technology of real time information transmission is enough provided.
Here, based on Data distributing DDS, complete upper strata distribution subscription theme TOPIC data management and
Distribution in AFDX buses, reads corresponding distribution subscription TOPIC data from global data area first, and then basis is previously generated
XML file, on specified distribution subscription theme TOPIC data publications to AFDX buses, or subscribes in AFDX buses corresponding
Distribution subscription TOPIC data.
Configured according to above-mentioned XML file, application is published to the data of the FuelOil data fields in global data area, is passed through
AFDX bus ports 0 are sent in the middle of AFDX networks.2 received data of port in the middle of AFDX networks is parsed, is solved
HydraulicPressure data fields are put in analysis after completing, wait application layer to carry out data subscription.
In data publication concrete application, when corresponding aerospace applications system calls data publication port, data write is complete
Office data area.Global data area maintains the example of all data, by the setting of internal service quality, completes all data
Synchronization.Inquiry XML file is sent out simultaneously, by the theme TOPIC in the configuration file and the pass of the bus resource of AFDX buses
Connection relation, completes to issue data to the data forwarding of AFDX buses.
During data subscription, real-time reception AFDX bus datas, by inquiring about XML file, by AFDX bus datas
It is put into the global data area of correspondence theme TOPIC.When aerospace applications system carries out data subscription, directly from the middle of distribution subscription
The global data area of part carries out data subscription, need not be concerned about bottom AFDX buses.
From above-mentioned technical proposal as can be seen that present embodiments providing a kind of distribution subscription system based on AFDX buses,
Corresponding bus resource on AFDX end systems and AFDX buses is configured specifically by the method for description；Configuration is multiple to be ordered
Port is read, multiple subscription ports include multiple data publication ports and multiple data receiver ports；Configuration global data area, it is global
Data field be used for data storage receiving port received data, and according to the request for receiving to data publication port forwarding with
The corresponding data of request.By more than system, designer while carrying out using logical design according to system schema, nothing
In the face of the complicated configuration feature of AFDX buses, but while carrying out using logical design according to system schema, need to only need face
Data transmit-receive is carried out to distribution subscription port, the workload of designer is reduced, so that the design cycle is effectively controlled
System.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present application can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present application can using complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present application can using wherein include computer at one or more can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program of enforcement.
The embodiment of the present application is with reference to according to the method for the embodiment of the present application, terminal unit (system), and computer program
The flow chart and/or block diagram of product is describing.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or square frame and flow chart and/or the flow process in block diagram and/or square frame combination.These can be provided
Computer program instructions are set to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is producing a machine so that held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames
The device of the function of specifying.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipments
In the computer-readable memory for working in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one side of one flow process of flow chart or multiple flow processs and/or block diagram
The function of specifying in frame or multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing terminal equipments so that
On computer or other programmable terminal equipments perform series of operation steps to produce computer implemented process, so as to
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow process of flow chart or multiple flow processs
And/or specify in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present application, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to
Including preferred embodiment and fall into the had altered of the embodiment of the present application scope and change.
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 are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant are anticipated
Covering including for nonexcludability, so that a series of process, method, article or terminal unit including key elements is not only wrapped
Those key elements are included, but also including other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal unit is intrinsic.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal unit.
Above technical scheme provided herein is described in detail, specific case used herein is to this Shen
Principle and embodiment please is set forth, the explanation of above example be only intended to help understand the present processes and its
Core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the application, in specific embodiment and application
Will change in scope, in sum, this specification content should not be construed as the restriction to the application.
Claims (8)
1. a kind of distribution subscription method based on AFDX buses, it is characterised in that comprise the steps：
Corresponding bus resource on AFDX end systems and the AFDX buses is configured by the method for describing；
The multiple distribution subscription ports for application-oriented data of configuration, the distribution subscription port are data publication port or number
According to receiving port；
Configuration global data area, the global data area are used for storing the data receiver port received data, and according to
The request for receiving forwards the data corresponding with the request to the data publication port.
2. distribution subscription method as claimed in claim 1, it is characterised in that it is described by the method that describes to AFDX end systems
Configured with corresponding bus resource in the AFDX buses, including：
The allocation list with XML file as carrier is issued, the allocation list description has configuration parameter and incidence relation；
The AFDX end systems are configured according to the configuration parameter；
The relation of the bus resource is configured according to the incidence relation.
3. distribution subscription method as claimed in claim 1, it is characterised in that the bus resource includes the AFDX buses
Virtual link and FPDP.
4. distribution subscription method as claimed in claim 1, it is characterised in that the configuration global data area, including：
The routing configuration table with XML file as carrier is issued, the routing configuration table includes the routing relation between data.
5. a kind of distribution subscription system based on AFDX buses, it is characterised in that include：
Distribution subscription configuration module, for the method by description, to corresponding total on AFDX end systems and the AFDX buses
Line resource is configured；
Port configuration module, for configuring multiple distribution subscription ports for application-oriented data, the distribution subscription port
For data publication port or data receiver port；
Distribution subscription intermediate module, for configuring global data area, the global data area is used for storing the data receiver
Mouth received data, and the number corresponding with the request is forwarded to the data publication port according to the request for receiving
According to.
6. distribution subscription system as claimed in claim 5, it is characterised in that the distribution subscription configuration module includes：
Allocation list release unit, for issuing the allocation list with XML file as carrier, the allocation list description have configuration parameter and
Incidence relation；
First dispensing unit, for configuring to the AFDX end systems according to the configuration parameter；
Second dispensing unit, for configuring to the relation of the bus resource according to the incidence relation.
7. distribution subscription system as claimed in claim 5, it is characterised in that the bus resource includes the AFDX buses
Virtual link and FPDP.
8. distribution subscription system as claimed in claim 5, it is characterised in that the distribution subscription intermediate module is specifically for sending out
Routing configuration table of the cloth with XML file as carrier, the routing configuration table include the routing relation between data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610989229.1A CN106533871A (en) | 2016-11-10 | 2016-11-10 | Release subscription method and system based on AFDX bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610989229.1A CN106533871A (en) | 2016-11-10 | 2016-11-10 | Release subscription method and system based on AFDX bus |
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| CN201610989229.1A Pending CN106533871A (en) | 2016-11-10 | 2016-11-10 | Release subscription method and system based on AFDX bus |
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| CN (1) | CN106533871A (en) |
Cited By (6)
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| CN109150283A (en) * | 2018-07-23 | 2019-01-04 | 千寻位置网络有限公司 | Observe the transmission method and terminal, proxy server and data broadcasting system of data |
| CN109510748A (en) * | 2018-12-29 | 2019-03-22 | 北京润科通用技术有限公司 | Node and node exchange method and system |
| CN109936483A (en) * | 2019-04-22 | 2019-06-25 | 中国航空无线电电子研究所 | Universal intelligent remote data concentrator |
| CN110659227A (en) * | 2019-10-10 | 2020-01-07 | 北京机电工程研究所 | Automatic subscription method for data bus of unmanned intelligent equipment |
| CN115145210A (en) * | 2022-09-02 | 2022-10-04 | 小米汽车科技有限公司 | Method and device for controlling control signal of vehicle, medium and chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809684A (en) * | 2017-05-05 | 2018-11-13 | 中国航空无线电电子研究所 | A kind of optical fiber network system for avionics system |
| CN109150283A (en) * | 2018-07-23 | 2019-01-04 | 千寻位置网络有限公司 | Observe the transmission method and terminal, proxy server and data broadcasting system of data |
| CN109150283B (en) * | 2018-07-23 | 2021-02-19 | 千寻位置网络有限公司 | Observation data transmission method and terminal, proxy server and data broadcasting system |
| CN109510748A (en) * | 2018-12-29 | 2019-03-22 | 北京润科通用技术有限公司 | Node and node exchange method and system |
| CN109510748B (en) * | 2018-12-29 | 2021-06-29 | 北京润科通用技术有限公司 | Node and node interaction method and system |
| CN109936483A (en) * | 2019-04-22 | 2019-06-25 | 中国航空无线电电子研究所 | Universal intelligent remote data concentrator |
| CN110659227A (en) * | 2019-10-10 | 2020-01-07 | 北京机电工程研究所 | Automatic subscription method for data bus of unmanned intelligent equipment |
| CN110659227B (en) * | 2019-10-10 | 2020-10-02 | 北京机电工程研究所 | Automatic subscription method for data bus of unmanned intelligent equipment |
| CN115145210A (en) * | 2022-09-02 | 2022-10-04 | 小米汽车科技有限公司 | Method and device for controlling control signal of vehicle, medium and chip |
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Application publication date: 20170322 |