CN108075824A - Common core resource cabinet and comprehensively modularized avionics system - Google Patents
Common core resource cabinet and comprehensively modularized avionics system Download PDFInfo
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- 230000003993 interaction Effects 0.000 claims description 18
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- 230000001960 triggered effect Effects 0.000 description 25
- 238000013461 design Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 8
- 238000013500 data storage Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
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Abstract
The invention discloses common core resource cabinet and comprehensively modularized avionics system, which includes：Common core resource cabinet based on PowerPC and the common core resource cabinet based on massive store, the common core resource cabinet based on PowerPC include：Two the first switch modules provide network connection for cabinet and cabinet external system；First processing module using the first Power PC core piece, is connected with the first switch module, and the resident functions for aircraft other systems provide process resource；Second processing module, using the second Power PC core piece as processing chip, the second Power PC core piece and the first Power PC core piece are different model, are connected with the first switch module, process resource is provided for aircraft other systems resident functions；Energy supply control module is connected with the first switch module and first, second processing module, for providing power supply for the first switch module and first, second processing module.
Description
Technical field
The invention belongs to avionics technical fields, and in particular to a kind of common core resource cabinet based on PowerPC, one kind
Common core resource cabinet based on massive store and the comprehensively modularized avionics system comprising both fronts.
Background technology
Comprehensively modularized avionics system (Integrated Module Avionics, IMA) framework is active service Typical Aircraft
The avionics system synthesis framework of use, many aircraft avionics systems are using IMA frameworks at present.B787 aircrafts use common core
Nerve center of the system (Common Core System, CCS) as aircraft, using the AFDX buses of 10/100Mbps as winged
Machine avionics system data transmission " maincenter ", using remote data concentrator (Remote Data Concentrator, RDC) conduct
Data acquisition and data conversion equipment realize the high integrity of aviation electronics and aircraft function.Its common core system is by two
Common core resource (Common Core Resource, CCR) cabinet forms, and each CCR cabinets are by 8 general purpose processing blocks, and 2
A energy supply control module, 2 built-in AFDX interchangers and 2 fiber optic switching module compositions, two kinds of Jie of external optical fiber and cable
The AFDX network transmissions of matter, two CCR cabinets are connected with 6 external long-range AFDX interchangers, form the synthesis mould of double remainings
8 general purpose processing blocks in block avionics system framework, wherein CCR cabinets are identical.The avionics system that C919 aircrafts use is comprehensive
It is similar with B787 aircrafts to close framework.
Existing comprehensively modularized avionics system framework, using centralized IMA frameworks, 100,000,000 AFDX networks, network passes
Defeated bandwidth is relatively low, and all resident functions of aircraft reside in the processing cabinet of IMA that (B787 aircrafts and C919 aircrafts are stayed
It stays in the GPM of CCR cabinets, A380 aircrafts are then completed by the processing unit in CPIOM).Since part resident functions are to aircraft
Security requirement is high (develop and ensure grade DAL A, B grades of resident functions, is like flying to control function, fly pipe function etc.), but part is stayed
Stay function of less demanding for aircraft safety, but need to store Large Volume Data (develop ensure grade DAL D, E grade be resident
Function, if maintenance system, cabin systems are, it is necessary to store mass data), according to existing design framework, all resident functions are equal
It resides in the hardware environment of same architecture design, the complexity of Software for Design and software faults probability will certainly be increased, it is sacrificial
The domestic animal overall performance of system；With the continuous development of technology, avionics system it is increasingly huge, integrated level is higher and higher, for
The transmission rate request of system is also higher and higher, using existing comprehensively modularized avionics system (IMA) framework, to avionics core
The distribution of processing cabinet resource will become increasingly complex, and with increasing for resident functions, the overall performance of system will also be subject to shadow
It rings, is coupled closely between system, the probability of system fault will increase, and process resource is unavoidable common using identical design
The risk of mould failure.
The content of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of common core resource machines based on PowerPC that can avoid common mode failure
Cabinet, the common core resource cabinet based on massive store and comprehensively modularized avionics system.
(2) technical solution
To solve the above problems, the first aspect of the present invention provides a kind of common core resource machine based on PowerPC
Cabinet, including：Two the first switch modules provide network connection for cabinet and the outer aircraft other systems of cabinet；First processing mould
Block using the first Power PC core piece as its processing chip, is connected, for staying for aircraft other systems with the first switch module
Function is stayed to provide process resource, to realize that the data outside system and cabinet that interior of aircraft is resident between aircraft other systems are handed over
Mutually；Second processing module, using the second Power PC core piece as its processing chip, the second Power PC core piece and first
Power PC core piece is different model, is connected with the first switch module, and processing money is provided for the resident functions of aircraft other systems
Source, to realize the data interaction outside system and cabinet that interior of aircraft is resident between aircraft other systems；Energy supply control module,
It is connected with the first switch module and first, second processing module, for handling mould for the first switch module and first, second
Block provides power supply.
According to another aspect of the present invention, a kind of common core resource cabinet based on massive store is additionally provided,
Including：Two second switch modules provide network connection for cabinet and the outer aircraft other systems of cabinet；3rd processing module,
It is connected with second switch module, the resident functions for aircraft other systems provide process resource, to realize that interior of aircraft is resident
System and cabinet outside data interaction between aircraft other systems；Memory module is connected respectively with second switch module,
Carry out the data of needs during data interaction outside the resident functions of interior of equipment cabinet and cabinet between aircraft other systems to store；Electricity
Source control module is connected with second switch module and the 3rd processing module, for being handled for second switch module and the 3rd
Module provides power supply.
According to a further aspect of the invention, a kind of comprehensively modularized avionics system is also provided, including any of the above-described kind of base
In the common core resource cabinet of PowerPC, a kind of common core resource cabinet and avionics based on massive store are further included
Data network subsystem；Common core resource cabinet based on PowerPC and the common core resource machine based on massive store
Cabinet is connected with avionics data network subsystem, wherein, first, second in the common core resource cabinet based on PowerPC at
Application resident in module is managed as the resident functions high to security requirement, the common core resource cabinet based on massive store
In the application be resident in the 3rd processing module be to require storage performance high resident functions.
The present invention to the first processing module in the common core resource cabinet based on PowerPC by using first
Power PC core piece, Second processing module uses the second Power PC core piece, by being used to different disposal module in same cabinet
Different chips carries out architecture design, and then solves the problems, such as common mode failure in the prior art.
Description of the drawings
Fig. 1 is a kind of structural representation of common core resource cabinet based on PowerPC of first embodiment of the invention
Figure；
Fig. 2 is a kind of structural representation of common core resource cabinet based on PowerPC of second embodiment of the invention
Figure；
Fig. 3 be third embodiment of the invention a kind of common core resource cabinet based on PowerPC in first processing
The structure diagram of module；
Fig. 4 be four embodiment of the invention a kind of common core resource cabinet based on PowerPC in second processing
The structure diagram of module；
Fig. 5 is a kind of common core resource cabinet based on massive store introduced in fifth embodiment of the invention
Structure diagram；
Fig. 6 is a kind of common core resource cabinet based on massive store introduced in sixth embodiment of the invention
Structure diagram；
Fig. 7 is in a kind of common core resource cabinet based on massive store introduced in seventh embodiment of the invention
The structure diagram of 3rd processing module；
Fig. 8 is a kind of structure diagram of comprehensively modularized avionics system of eighth embodiment of the invention；
Fig. 9 is a kind of structure diagram of comprehensively modularized avionics system of ninth embodiment of the invention.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is omitted, to avoid this is unnecessarily obscured
The concept of invention.
Before technical solution of the present invention is introduced, inventor first to A380 aircrafts of the prior art used by comprehensive mould
Block avionics system framework is introduced, and the avionics core processing systems of A380 aircrafts is divided into cockpit, main cabin, the energy and altogether
With four function divisions of equipment, different function divisions is connected, jointly using multiple IMA using unified AFDX networks
Manage and perform the avionics task of entire aircraft, avionics core processing and input/output module used by the IMA of A380 claim
For CPIOM, for each CPIOM modules containing 1 central processing unit wiring board, 1 power supply and input/out line plate, 2 defeated
Enter/output circuit board, 1 PCI internal mutuals yoke plate and end system circuit, wherein the processor module hardware phase in all CPIOM
Together.Existing A380 aircrafts avionics system framework synthesization degree is relatively low, and simultaneously the shared of resource is not implemented in each CPIOM modules；
Comprehensively modularized avionics system framework used by B787 aircrafts, the degree of coupling is larger between system, easily brings resource contention and mistake
Spend coupled problem.Based on existing comprehensively modularized avionics system framework, all resident functions of aircraft (ensure grade DAL from developing
A grades to E grades of DAL) reside in identical hardware structure that (B787 aircrafts and C919 aircrafts reside in the GPM of CCR cabinets
It is interior, and GPM hardware is identical, processor module is identical；A380 aircrafts are then completed by the processing unit in CPIOM, and processing unit is adopted
With identical processor module), processor using identical single core processor chip, is easy to cause the generation of common mode failure；
And not all resident functions are consistent for hsrdware requirements：Part resident functions are high to aircraft safety requirement (to develop guarantee etc.
Grade DAL A, B grades of resident functions, like flying to control function, fly pipe function etc.), but part resident functions are for aircraft safety requirement
It is not high, but need to store Large Volume Data (development guarantee grade DAL D, E grades of resident functions, such as maintenance system, main cabin system
System is, it is necessary to store mass data), according to existing design framework, all resident functions reside in the hard of same architecture design
In part environment, the complexity of Software for Design and software faults probability will certainly be increased, sacrifice the overall performance of system；With
The continuous development of technology, avionics system it is increasingly huge, integrated level is higher and higher, also more next for the transmission rate request of system
It is higher, using existing comprehensively modularized avionics system (IMA) framework, the distribution of avionics core processing cabinet resource will be got over
Come more complicated, with increasing for resident functions, the overall performance of system will also be affected, and couple close between system, and system goes out
Wrong probability will increase, and process resource is using identical design, the risk of unavoidable common mode failure.
For above-mentioned technical problem, inventor is made that following improvement：
Fig. 1 is a kind of structural representation of common core resource cabinet based on PowerPC of first embodiment of the invention
Figure.
As shown in Figure 1, a kind of common core resource cabinet based on PowerPC, including：Two the first switch modules,
Network connection is provided for aircraft other systems outside cabinet and cabinet；In Fig. 1, two exchanges are represented using letter a1 and b1 respectively
Machine module；First processing module using the first Power PC core piece as its processing chip, is connected with the first switch module, is
The resident functions of aircraft other systems provide process resource, with realize outside system and cabinet that interior of aircraft is resident aircraft other
Data interaction between system；Second processing module, using the second Power PC core piece as its processing chip, the 2nd PowerPC
Chip and the first Power PC core piece are different model, are connected with the first switch module, are the resident functions of aircraft other systems
Process resource is provided, to realize the data interaction outside system and cabinet that interior of aircraft is resident between aircraft other systems；Electricity
Source control module is connected with the first switch module and first, second processing module, for for the first switch module and
First, Second processing module provides power supply.Energy supply control module and two the first switch modules all connect, and with first, second
Processing module connects (not shown), with the above-mentioned module for power supply for interior of equipment cabinet.
Preferably, Double redundancy backup may be employed in energy supply control module, that is, is arranged to two, for first, second processing mould
Block and the power supply of the first switch module.Can be to avoid an energy supply control module when breaking down, what can not be powered asks
Topic.
The present invention is conducive to by using based on processing chip of the Power PC core piece as the processing module in IMA cabinets
The performance of lifting system, it is low to solve current processor monokaryon processing capacity, and calculated performance (i.e. processing speed) promotes that there are bottlenecks
Problem, meanwhile, by by the second Power PC core piece and the first Power PC core piece using different chips namely in same machine
Using different Power PC core pieces in cabinet, by using two kinds of PowerPC in same cabinet so that IMA cabinets
There are non-similarity, this non-similar hardware frameworks similarly to be lured to avoid the hardware module in cabinet for interior processing module
Under cause (such as environment, algorithm, software error etc.), while identical failure i.e. common mode failure occurs and causes system crash, into
And solve the problems, such as common mode failure.
The common core resource cabinet based on PowerPC of the present invention, enables to aircraft system resident functions can root
According to self-demand, selection is resided in different cabinets, i.e., for security requirement height and does not have staying for big data storage demand
Function is stayed, is resided in the common core resource cabinet based on PowerPC of non-similar structure design.
Fig. 2 is a kind of structural representation of common core resource cabinet based on PowerPC of second embodiment of the invention
Figure.
As shown in Fig. 2, the cabinet further includes：
First input/output interface module is connected with the first switch module, for aircraft other systems outside cabinet to be sent out
The processing Data Concurrent that the data sent are converted to cabinet is sent to the first switch module or will be at first processing module or second
The data that reason module is sent be converted to aircraft other systems outside cabinet processing Data Concurrent send to aircraft outside cabinet other
System.
First input/output interface module, for installing input/output module, wherein, input/output module is pluggable, can
It is needed that input/output module is installed according to airplane design, when input/output module is installed to the first input/output interface module,
The non-time triggered Ethernet data that aircraft other systems are sent outside cabinet is converted to time triggered Ethernet data to send
The time triggered Ethernet of the first switch module is sent to the first switch module or by first, second processing module
Data are converted to non-time triggered Ethernet data and are sent to aircraft other systems outside cabinet.Time triggered Ethernet data is
Refer to the data-signal based on time triggered Ethernet protocol.First input/output interface module has function switching signal, can be complete
Into the unified form of the mutual conversion between non-time triggered protocols signal and time triggered protocol signal, finally realization signal.
First input/output interface module can be slot, and according to airplane design needs, input can be installed in slot
Output module, can also directly empty slot, when installing input/output module, input/output module can will be based on time triggered
The data of Ethernet protocol and aircraft other systems outside cabinet (other systems transmission data format for be not based on time triggered with
Too fidonetFido) data carry out format conversion, so as to fulfill the interaction of data.
When needing the first input/output module, input/output module can be inserted into slot, it is first defeated when being not required
When entering output module, input/output module can be extracted from slot, it flexibly and easily, can be according to airplane design needs, certainly
It is fixed whether to need to be inserted into input/output module.Input/output module passes through the first switch module and first, second processing module
Data interaction is carried out, input/output module is realized mutually to be turned between non-time triggered protocols signal and time triggered protocol signal,
The signal of aircraft other systems near comprehensively modularized avionics cabinet can pass through data/address bus and input/output module
Be directly connected to, need upper core network for interaction data, then input/output module also be responsible for complete coherent signal be converted into
Time triggered protocol signal；On the one hand reduce cable, can directly be handed over for the data near comprehensively modularized avionics cabinet
Mutually, on the other hand, for baby plane, it is only necessary to two comprehensively modularized avionics cabinets, without by remotely handing over
It changes planes so that system architecture is more general.
Fig. 3 be third embodiment of the invention a kind of common core resource cabinet based on PowerPC in first processing
The structure diagram of module.
As shown in figure 3, first processing module includes two first processors, each first processor use first
PowerPC multi core chips are T2080.
Specifically, each first processor is using 3.0 frameworks of T2080+VxWorks653, i.e. hardware structure uses
PowerPC T2080 chips, operating system use VxWorks 653 3.0.
Fig. 4 be four embodiment of the invention a kind of common core resource cabinet based on PowerPC in second processing
The structure diagram of module.
As shown in figure 4, Second processing module includes two second processors, each second processor use second
PowerPC multi core chips are P2020.
Specifically, each second processor uses 2.4 frameworks of P2020+VxWorks653, i.e. hardware structure uses
PowerPC P2020 chips, operating system use VxWorks 653 2.4.
Fig. 5 is a kind of common core resource cabinet based on massive store introduced in fifth embodiment of the invention
Structure diagram.
As shown in figure 5, the common core resource cabinet based on massive store includes：
Two second switch modules provide network connection for cabinet and the outer aircraft other systems of cabinet；
In Figure 5, two switch modules are represented using letter a2 and b2 respectively；
3rd processing module is connected with second switch module, and processing money is provided for the resident functions of aircraft other systems
Source, to realize the data interaction outside system and cabinet that interior of aircraft is resident between aircraft other systems, wherein, the 3rd processing
Module selects the structure design identical with first processing module, i.e. the 3rd processing module also uses the first Power PC core piece conduct
Its processing chip；3rd processing module includes 3 the 3rd processors, the first PowerPC multinuclears that each 3rd processor uses
Chip is T2080, and specifically, each 3rd processor is using 3.0 frameworks of T2080+VxWorks653, i.e. hardware structure is adopted
With PowerPC T2080 chips, operating system uses VxWorks 653 3.0.
Memory module is connected respectively with two second switch modules, to pass through second switch and the 3rd processing module
Carry out data interaction (i.e. reading and writing data)；Using memory module, be capable of the data storage capacities of significantly lifting system, so as to for
The platform that more resident functions are resident into cabinet provides resource, improves the synthesization degree of aircraft system.
Energy supply control module is connected with second switch module and first, second processing module, for for second switch
Module and first, second processing module provide power supply.
Energy supply control module and two second switch modules all connect, and are connected and (do not show in figure with the 3rd processing module
Go out), with the above-mentioned module for power supply for interior of equipment cabinet.Preferably, Double redundancy backup may be employed in energy supply control module, that is, is arranged to
Two, be the 3rd processing module and second switch module for power supply.Can to avoid an energy supply control module when breaking down,
The problem of can not being powered.
The common core resource cabinet based on massive store of the present invention enables to aircraft system resident functions can be with
According to self-demand, selection is resided in different cabinets, i.e., for big data is needed to exchange and stores the resident work(of big data
Can, it can select to reside in the common core resource cabinet with high-capacity storage module.
Fig. 6 is a kind of common core resource cabinet based on massive store introduced in sixth embodiment of the invention
Structure diagram.
As shown in fig. 6, the common core resource cabinet based on massive store further includes：
Second input/output interface module is connected with second switch module, for aircraft other systems outside cabinet to be sent out
The data sent are converted to the number that the processing Data Concurrent of cabinet send to second switch module or sends the 3rd processing module
It is sent according to the processing Data Concurrent for being converted to aircraft other systems outside cabinet to aircraft other systems outside cabinet.
Second input/output interface module, for installing input/output module, wherein, input/output module is pluggable, can
It is needed that input/output module is installed according to airplane design, it, will when input/output module is installed to two input/output interface modules
The non-time triggered Ethernet data that aircraft other systems are sent outside cabinet is converted to time triggered Ethernet data and is sent to
Built-in time trigger Ethernet switch or by the 3rd processing module be sent to built-in time triggering Ethernet switch when
Between triggering Ethernet data be converted to non-time triggered Ethernet data and be sent to aircraft other systems outside cabinet.Time triggered
Ethernet data refers to the data-signal based on time triggered Ethernet protocol.Second input/output interface module has signal
Conversion function can complete the mutual conversion between non-time triggered protocols signal and time triggered protocol signal, finally realize letter
Number unified form.
Second input/output interface module can be slot, and according to airplane design needs, input can be installed in slot
Output module, can also directly empty slot, when installing input/output module, input/output module can will be based on time triggered
The data of Ethernet protocol and aircraft other systems outside cabinet (other systems transmission data format for be not based on time triggered with
Too fidonetFido) data carry out format conversion, so as to fulfill the interaction of data.
When needing input/output module, can by input/output module be inserted into slot in, when be not required input and output mould
During block, input/output module from slot can be extracted, flexibly and easily, can decided whether to need according to airplane design needs
It is inserted into input/output module.Input/output module carries out data interaction by second switch module and the 3rd processing module,
Input/output module is realized mutually to be turned between non-time triggered protocols signal and time triggered protocol signal, in comprehensively modularized
The signal of aircraft other systems near avionics cabinet can be directly connected to by data/address bus and input/output module, for handing over
Mutual data need core network, then input/output module also is responsible for completion coherent signal and is converted into time triggered agreement letter
Number；On the one hand cable is reduced, it can be with direct interaction for the data near comprehensively modularized avionics cabinet.
Fig. 7 is in a kind of common core resource cabinet based on massive store introduced in seventh embodiment of the invention
The structure diagram of 3rd processing module.
As shown in fig. 7, the 3rd processing module is included at 3 the 3rd in the common core resource cabinet based on massive store
Device is managed, 3 the 3rd processors have identical structure, and using the first PowerPC multi core chips as its processing chip.Its
In, the quantity of the 3rd processing module can be not limited to 3, the quantity of the 3rd processing module can according to the quantity of cabinet slot come
It determines, since the common core resource cabinet based on PowerPC and the common core resource cabinet based on massive store need to protect
Hold that size is identical, therefore its internal structure design need to be consistent, i.e. energy supply control module quantity is identical, based on PowerPC
The sum of first, second processor quantity of common core resource interior of equipment cabinet and the common core resource based on massive store
The sum of 3rd processor of interior of equipment cabinet and amount of memory should also keep equal and if desired input/output interface unit,
All in requisition for input/output interface unit, the compatibility that both is ensured with this.
Fig. 8 is a kind of structure diagram of comprehensively modularized avionics system of eighth embodiment of the invention；
Fig. 9 is a kind of structure diagram of comprehensively modularized avionics system of ninth embodiment of the invention.
As shown in Figure 8, Figure 9, the present invention provides a kind of comprehensively modularized avionics system, including any in aforementioned embodiments
Kind of the common core resource cabinet based on PowerPC, further include a kind of common core resource cabinet based on massive store and
Avionics data network subsystem (ADNS subsystems)；
Common core resource cabinet based on PowerPC and the common core resource cabinet based on massive store with boat
The connection of electric data network subsystem (ADNS subsystems), wherein, first in the common core resource cabinet based on PowerPC, the
The application being resident in two processing modules is the resident functions high to security requirement, the common core resource based on massive store
The application being resident in cabinet in the 3rd processing module is to require storage performance high resident functions.Wherein, based on PowerPC's
Common core resource cabinet and common core resource cabinet based on massive store are using dual redundant structure, i.e., including two
Common core resource cabinet and two common core resource cabinets based on massive store based on PowerPC, are consequently formed
A kind of distributed dual redundant framework.
Specifically aircraft resident functions according to DAL grades and its classify to data storage resource demands, it is divided into
DAL grades are high and the low with DAL grades of mass data storage is not required but needs mass data storage, the former is using non-
Similar common core resource CCR cabinet designs, the latter are set using the common core resource CCR cabinets with high-capacity storage module
Meter, so as to improve the synthesization of aircraft system, integration degree, while improves system performance.
Wherein, DAL grades are high and mass data storage is not required can develop to ensure that grade is DAL A, DAL B grade
Resident functions, such as fly control function, fly pipe function etc., it is of less demanding for aircraft safety, but need to store large capacity number
According to can develop to ensure grade DAL D, DAL E grade of resident functions, such as maintenance system, cabin systems be, it is necessary to store greatly
Measure data.
Specifically, multiple switch component, multiple exchanges are included inside avionics data network subsystem (ADNS subsystems)
Thermomechanical components join end to end between any two, the common core resource cabinet based on PowerPC of each switch component and one and
One common core resource cabinet connection based on massive store, to realize the data interaction with resident functions.
Specifically, it is more as shown in figure 9, avionics data network subsystem (ADNS subsystems) includes multiple switch component
Head and the tail connect and pass through the progress two-way communication of AFDX gigabit networkings, each switch component a switch component successively between any two
It is connected with the common core resource cabinet based on PowerPC with the common core resource cabinet based on massive store, i.e., it is each
A common core resource cabinet based on PowerPC and each common core resource cabinet based on massive store are with one
A switch component is connected, each switch component is also connected with iRDC (intelligent input output converting unit).
Wherein, the quantity of interchanger be according to the size of aircraft and the data volume to be transmitted number set, sum is
Even number, generally 4 and 8.
Avionics data network subsystem (i.e. ADNS subsystems) is formed using the gigabit AFDX networks of dual redundant degree, and is
Two-way communication, can improve the transmission rate of core network, and transmission bandwidth improves transmitted data amount.
Specifically, the common core resource cabinet based on PowerPC and the common core resource machine based on massive store
Cabinet uses dual redundant structure；
When the common core resource cabinet based on PowerPC and the common core resource cabinet based on massive store are adopted
During with dual redundant structure, the quantity of switch component is 4, and each switch component includes the first interchanger and second and exchanges
Machine, between the first interchanger and second switch independently of each other；
Wherein, mutually head and the tail connect 4 the first interchangers between any two, with the common core resource based on PowerPC
Cabinet is connected with the common core resource cabinet based on massive store；
Mutually head and the tail connect 4 second switch between any two, with common core resource cabinet and base based on PowerPC
It is connected in the common core resource cabinet of massive store, is two common core resource cabinets based on PowerPC or two
Communication between common core resource cabinet based on massive store provides network connection.
The structure of avionics data subsystem is explained below by citing, example is as shown in Figure 9：
Such as：Switch component is denoted as first, second, third and fourth switch component, the first switch component respectively
Including the first switch A 1 and second switch B1, second switch component includes the first switch A 2 and second switch B2,
3rd switch component includes the first switch A 3 and second switch B3, and the 4th switch component includes 4 He of the first switch A
Second switch B4, the first switch A 1, A2, A3, A4 represent that it belongs to the interchanger of A networks, second switch B1, B2,
B3 and B4 represents that it belongs to the interchanger of B networks, and the interchanger in A networks and the interchanger in B networks are mutual indepedent,
In, the first switch A 1, A2, A3, A4 are connected from beginning to end between any two, and second switch B1, B2, B3 and B4 connect from beginning to end between any two
It connects, each the common core resource cabinet based on PowerPC and each the common core resource cabinet based on massive store is equal
It is connected with the second switch in the first interchanger and B networks in A networks, to realize communication.(intelligent input is defeated by each iRDC
Go out converting unit) while be connected with an interchanger in A networks and B networks.
In Fig. 9, dotted line with the arrow represents that cabinet or iRDC connect with the first switch A 1, A2, A3 or A4 in A networks
It connects, solid line with the arrow represents that cabinet or iRDC are connected with the first switch b 1, B2, B3 or B4 in B networks, and A429 is represented
It is communicated between other modules of iRDC modules and aircraft by A429 buses；
CAN represents to communicate by CAN bus between other modules of iRDC modules and aircraft；
Analog represents to be analogue communication between iRDC modules and aircraft other modules；
Discrete represents to be digital communication between iRDC modules and aircraft other modules.
It should be noted that connection mode shown in Fig. 9 is only one of which connection mode, be not used to the present invention into
Row limit, can also be that two cabinets are connected to simultaneously on some interchanger, i.e., cabinet 1 and cabinet 2 with the first interchanger
A1 is connected with second switch B1.
The comprehensively modularized avionics system of the present invention passes through to the common core resource cabinet based on PowerPC and based on big
The structure of the common core resource cabinet of capacity storage is designed so that aircraft system resident functions can be according to itself need
It asks, selection is resided in different cabinets, i.e., for security requirement height and without the resident functions of big data storage demand, stays
It stays in the common core resource cabinet of non-similar PowerPC；It is low for security requirement, but big data is needed to exchange and deposit
The resident functions of big data are stored up, reside in the common core resource cabinet based on massive store with high-capacity storage module
In.
It should be appreciated that the above-mentioned specific embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (10)
1. a kind of common core resource cabinet based on PowerPC, which is characterized in that including：
Two the first switch modules provide network connection for cabinet and the outer aircraft other systems of cabinet；
First processing module using the first Power PC core piece as its processing chip, is connected with first switch module,
Resident functions for aircraft other systems provide process resource, with realize outside system and cabinet that interior of aircraft is resident aircraft its
Data interaction between his system；
Second processing module, using the second Power PC core piece as its processing chip, the second Power PC core piece with it is described
First Power PC core piece is different model, is connected with first switch module, is carried for the resident functions of aircraft other systems
For process resource, to realize the data interaction outside system and cabinet that interior of aircraft is resident between aircraft other systems；
Energy supply control module is connected with first switch module and first, second processing module, for for described
One switch module and first, second processing module provide power supply.
2. cabinet as described in claim 1, which is characterized in that the cabinet further includes：
First input/output interface module is connected with first switch module, for aircraft other systems outside cabinet to be sent out
The processing Data Concurrent that the data sent are converted to the cabinet send to first switch module or is handled described first
The processing Data Concurrent that the data that module or Second processing module are sent are converted to aircraft other systems outside cabinet is sent to cabinet
External aircraft other systems.
3. cabinet as claimed in claim 1 or 2, which is characterized in that the first processing module includes two first processors,
The first Power PC core piece that each first processor uses is PowerPC T2080.
4. cabinet as claimed in claim 1 or 2, which is characterized in that the Second processing module includes two second processors,
The second Power PC core piece that each second processor uses is PowerPC P2020.
5. a kind of common core resource cabinet based on massive store, which is characterized in that including：
Two second switch modules provide network connection for the cabinet and the outer aircraft other systems of cabinet；
3rd processing module is connected with the second switch module, and processing money is provided for the resident functions of aircraft other systems
Source, to realize the data interaction outside system and cabinet that interior of aircraft is resident between aircraft other systems；
Memory module is connected respectively with the second switch module, to store outside the resident functions and cabinet of interior of equipment cabinet
The data of needs during data interaction are carried out between aircraft other systems；
Energy supply control module is connected with the second switch module and the 3rd processing module, for being handed over for described second
Module of changing planes and the 3rd processing module provide power supply.
6. cabinet as claimed in claim 5, which is characterized in that further include：
Second input/output interface module is connected with the second switch module, for aircraft other systems outside cabinet to be sent out
The processing Data Concurrent that the data sent are converted to the cabinet send to the second switch module or is handled the described 3rd
The processing Data Concurrent that the data that module is sent are converted to aircraft other systems outside cabinet send to aircraft outside cabinet other to be
System.
7. such as cabinet described in claim 5 or 6, which is characterized in that the 3rd processing module includes 3 the 3rd processors, and 3
A 3rd processor has identical structure, and using the first Power PC core piece as its processing chip.
8. a kind of comprehensively modularized avionics system, which is characterized in that be based on including such as claim 1-4 any one of them one kind
The common core resource cabinet of PowerPC, further include as claim 5-7 any one of them it is a kind of based on massive store
Common core resource cabinet and avionics data network subsystem；
The common core resource cabinet based on PowerPC and the common core resource cabinet based on massive store are equal
It is connected with the avionics data network subsystem, wherein, first in the common core resource cabinet based on PowerPC,
The application being resident in two processing modules is the resident functions high to security requirement, the common core based on massive store
The application being resident in resource cabinet in the 3rd processing module is to require storage performance high resident functions.
9. system as claimed in claim 8, which is characterized in that the avionics data network subsystem includes multiple switch group
Part,；
Each switch component and common core resource cabinet and the public affairs based on massive store based on PowerPC
Core resource cabinet connection altogether.
10. system as claimed in claim 9, which is characterized in that
The quantity of the switch component is at least four, and each switch component includes the first interchanger and second and exchanges
Machine；
Wherein, mutually head and the tail connect the first interchanger of at least four between any two, with the common core based on PowerPC
Resource cabinet or the common core resource cabinet connection based on massive store；
Mutually head and the tail connect at least four second switch between any two, with the common core resource cabinet based on PowerPC
It is connected with the common core resource cabinet based on massive store, is the common core money based on PowerPC described in two
Communication between common core resource cabinet based on massive store described in source cabinet or two provides network connection.
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Cited By (1)
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