CN104734928A - Cross-connect IMA core computing/processing platform - Google Patents
Cross-connect IMA core computing/processing platform Download PDFInfo
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- CN104734928A CN104734928A CN201310719761.8A CN201310719761A CN104734928A CN 104734928 A CN104734928 A CN 104734928A CN 201310719761 A CN201310719761 A CN 201310719761A CN 104734928 A CN104734928 A CN 104734928A
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Abstract
The invention provides a cross-connect IMA core computing/processing platform. The cross-connect IMA core computing/processing platform comprises two integrated core processors (ICP), a communication network system and two remote data concentrators, and the communication network system and the two remote data concentrators are connected with the comprehensive core processors. The two remote data concentrators (RDC) are correspondingly connected with the ICPs respectively. Control and management of a whole avionics system, data computing, information processing, data storage, data communication and data loading and unloading services are achieved through the ICPs. According to the cross-connect IMA core computing/processing platform, on the basis of an open type system structure and software/hardware interface standard design of a unified high-speed network, the universality of an LRM module can be enhanced, mix and match using of products of different suppliers is supported, and safety is improved.
Description
Technical field
The present invention relates to airborne computer system field, particularly relate to a kind of IMA platform architecture based on AFDX network, open cross bonding of comprehensively modularized avionics system.
Background technology
Along with airborne computer, communication network and encapsulating structure technology development, large aircraft (transporter, passenger plane etc.) avionics and task system bulky complex day by day, its security requirement is higher: the safe class of IMA core calculations/processing platform requires to be not less than B level, and (namely failure rate is less than 10
-7), airborne communication network safety grade is not less than A level (failure rate is less than 10
-9).By the traction of this demand, a kind of high safe High Speed I MA core calculations/process, communication network, system in package and interfacing are developed rapidly and are applied.The system architecture of IMA platform, important component (equipment/module) and interconnection mode thereof, will produce significant impact to the overall system structure of avionics and task system, performance and fail safe, be the key technology of system.The architecture of a kind of non-crossing interconnection of the many employings of current IMA platform or non-open type architecture, there is the potential safety hazard of potential Single Point of Faliure, common mode failure and common cause fault (as namely when 1 group of resource failed in the design of this system architecture, when 1 design defect or 1 common mode failure occur, whole avionics system afunction will be caused), therefore airplane design of new generation is in the urgent need to a kind of cross bonding, open IMA platform architecture, to strengthen system robustness, improve system failure fault-tolerant ability, reliability and availability simultaneously.
Summary of the invention
In order to solve technical problem existing in background technology, the present invention proposes a kind of IMA core calculations/processing platform of cross bonding, based on open system framework, the design of software/hardware interface standard of unified express network, LRM module versatility can be strengthened, and support that different supplier products is mixed and take use, improve fail safe.
Technical solution of the present invention is: a kind of IMA core calculations/processing platform of cross bonding, and its special character is: comprise comprehensive core processor and the communications network system that communicates with comprehensive core processor ICP and remote data concentrator; Described comprehensive core processor ICP is two; Remote data concentrator RDC is two, correspondingly with comprehensive core processor ICP respectively connects; Comprehensive core processor ICP realizes the control of whole avionics system and management, data calculate, information processing, data store, data communication and data add offload services.
Above-mentioned communications network system comprises switch, terminal system ES and electrical transmission media; Adopt and meet two remaining AFDX network designs of ARINC664 standard, realize between each functional module of IMA internal system, connection communication between air equipment or subsystem.
Comprehensive core processor ICP defines 5 kinds of functional modules and 2 kinds of PMC backboards, 5 kinds of functional modules and general purpose processing block CPM, pattern process module GPM, mass memory module MMM, network exchange module NSM, power module PSM; 2 kinds of PMC backboards and massage storage daughter board MEM, graphics driver daughter board GEM; Pattern process module GPM adopts CPM+GEM daughter board form; Mass memory module MMM adopts CPM+MEM daughter board form.
Remote data concentrator RDC, adopts transducer/actuator/driving cabin installation form nearby, realizes low speed bus in system, analog quantity interface, discrete magnitude interface signal/data acquisition, preliminary treatment, data retransmission and system interface management function.
Above-mentioned switch is two, is assembled in 2 respectively physically completely independently on comprehensive core processor ICP, when wherein 1 switch lost efficacy, and whole system functional safety, and do not demote; Terminal system is embedded into respectively in the inner each functional module of comprehensive core processor ICP, and the AFDX network interface of two remaining is provided.
The network topology structure of cross bonding is each functional module in ICP, is cross connected to the remaining switch in local ICP switch and backup ICP respectively, provides two remaining communication structures of interconnection 2 switches.
Advantage of the present invention is:
1) unify the open system framework of express network, the design of software/hardware interface standard, LRM module versatility can be strengthened, and support that different supplier products is mixed and take use, improve fail safe;
2) design of the starshaped net topology of cross bonding, two remaining redundancy and distributed isolation packaging technology is adopted; the potential potential safety hazard of non-crossing interconnect architecture (as Single Point of Faliure, common mode failure, common cause fault) can be eliminated; strengthen tying robustness, improve its fail safe and Fault Tolerance;
3) adopt depth module synthesization, High Density Packaging, IMA system in package and interfacing design, achieve the design of single module synthetic function, make system synthesis degree height, and the volume of very big minimizing system, weight and power consumption;
4) by configurable modularized design, make system have autgmentability and maintainability flexibly, and meet the demand of different-scale systems or platform by the flexible configuration of functional module.
Accompanying drawing explanation
Fig. 1 is system configuration schematic diagram of the present invention;
Embodiment
Participate in Fig. 1, the present invention develop a kind of based on two remaining AFDX network, the IMA platform system structure of open cross bonding, this system is primarily of comprehensive core processor (ICP), high-speed network appliance (network switch, terminal system ES), remote data concentrator (RDC) composition, and its execution mode is as follows:
1.IMA plateform system architecture design: IMA platform is primarily of 2 ICP, 2 RDC, 2x2 network switchs and multiple embedded ES composition.Adopt " ICP+ express network+RDC " framework form design, wherein ICP controls as IMA plateform system and the core of management, and the control and management, the data that realize whole avionics system calculate, information processing, data store, data communication and data add offload services; Express network, as " nerve center " of system, adopts and meets two remaining AFDX network designs of ARINC664 standard, realize between each functional module of IMA internal system, connection communication between air equipment or subsystem; RDC is as a kind of multiplex roles unit of complexity, adopt transducer/actuator/driving cabin installation form nearby, realize low speed bus in system (as 429 buses, 1553B bus etc.), the interface signal/data acquisition of analog quantity interface, discrete magnitude, preliminary treatment, data retransmission (slow speed signal-express network, express network-slow speed signal) and system interface management function.
2. the AFDX network design of cross bonding: IMA platform AFDX communication network forms primarily of switch, terminal system (ES) and electrical transmission media (dedicated transmissions cable etc.).First adopt embedded-type modularized version, different supplier 2x2 switch module is assembled in respectively 2 physically in complete independent ICP, form the mixed two remaining ICP taking use, when wherein 1 inefficacy, whole system functional safety, and do not demote; Intellectual end system ES is embedded into respectively in the inner each functional module of ICP, and the AFDX network interface of two remaining is provided.Again by a kind of two remaining starshaped net topology of cross bonding, all devices in system and functional module are coupled together and becomes an organic whole, and by mutual data communication realization cooperation to each other, common completion system function and task.
3. system core assembly ICP designs: ICP, as the COMPREHENSIVE CALCULATING/processing platform of IMA system, is the core of Systematical control and management, realizes the function treatment of whole avionics system, data calculating, data storage, data communication and data and adds/offload services.Its design is as follows:
(1) ICP architecture design: adopt " integrated stand (containing backplane base plate IMB)+LRM module " system configurations, define 5 kinds of standard modules and 2 kinds of PMC backboards, i.e. general purpose processing block (CPM), pattern process module (GPM) mass memory module MMM), network exchange module (NSM), power module (PSM), and massage storage daughter board (MEM), graphics driver daughter board (GEM).The system of different disposal platform or different scales demand, the flexible configuration by difference in functionality module is realized.
(2) function module design: adopt " degree of depth synthesization " concept and the design of " general procedure substrate (CPM)+special function backboard " version, accommodation function module (as massive store, pattern process module) is realized by configuring different special backboards.
(3) encapsulation of module and Interface design, adopts modular avionics unit (AMU) form, and meets ARINC650 standard.IMA platform feature module definition is see table 1;
Table 1
Claims (6)
1. IMA core calculations/processing platform of cross bonding, is characterized in that: comprise comprehensive core processor and the communications network system that communicates with comprehensive core processor ICP and remote data concentrator; Described comprehensive core processor ICP is two; Remote data concentrator RDC is two, correspondingly with comprehensive core processor ICP respectively connects; Comprehensive core processor ICP realizes the control of whole avionics system and management, data calculate, information processing, data store, data communication and data add offload services.
2. the IMA core calculations/processing platform of cross bonding according to claim 1, is characterized in that: described communications network system comprises switch, terminal system ES and electrical transmission media; Adopt and meet two remaining AFDX network designs of ARINC664 standard, realize between each functional module of IMA internal system, connection communication between air equipment or subsystem.
3. the IMA core calculations/processing platform of cross bonding according to claim 1 and 2, it is characterized in that: comprehensive core processor ICP defines 5 kinds of functional modules and 2 kinds of PMC backboards, 5 kinds of functional modules and general purpose processing block CPM, pattern process module GPM, mass memory module MMM, network exchange module NSM, power module PSM; 2 kinds of PMC backboards and massage storage daughter board MEM, graphics driver daughter board GEM; Pattern process module GPM adopts CPM+GEM daughter board form; Mass memory module MMM adopts CPM+MEM daughter board form.
4. the IMA core calculations/processing platform of cross bonding according to claim 3, it is characterized in that: remote data concentrator RDC, adopt transducer/actuator/driving cabin installation form nearby, realize low speed bus in system, analog quantity interface, discrete magnitude interface signal/data acquisition, preliminary treatment, data retransmission and system interface management function.
5. the IMA core calculations/processing platform of cross bonding according to claim 4; it is characterized in that: described switch is two; be assembled in 2 respectively physically completely independently on comprehensive core processor ICP; when wherein 1 switch lost efficacy; whole system functional safety, and do not demote; Terminal system is embedded into respectively in the inner each functional module of comprehensive core processor ICP, and the AFDX network interface of two remaining is provided.
6. the IMA core calculations/processing platform of cross bonding according to claim 5, it is characterized in that: the network topology structure of cross bonding is each functional module in ICP, be cross connected to the remaining switch in local ICP switch and backup ICP respectively, two remaining communication structures of interconnection 2 switches are provided.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112380159A (en) * | 2020-11-17 | 2021-02-19 | 南京航空航天大学 | IMA core processing system structure configuration method |
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| CN101604162A (en) * | 2009-07-02 | 2009-12-16 | 北京航空航天大学 | A kind of comprehensively modularized core processing system for civil avionics |
| CN102541810A (en) * | 2011-12-29 | 2012-07-04 | 中国航空工业集团公司第六三一研究所 | Miniature low-power consumption comprehensive kernel processor based on avionics full duplex switched Ethernet (AFDX) |
| CN102567273A (en) * | 2011-12-29 | 2012-07-11 | 中国航空工业集团公司第六三一研究所 | Miniature integrated core processor based on fiber channel (FC) network |
| CN203276088U (en) * | 2012-11-30 | 2013-11-06 | 中国航空工业集团公司第六三一研究所 | Airborne computer integrated system structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101604162A (en) * | 2009-07-02 | 2009-12-16 | 北京航空航天大学 | A kind of comprehensively modularized core processing system for civil avionics |
| CN102541810A (en) * | 2011-12-29 | 2012-07-04 | 中国航空工业集团公司第六三一研究所 | Miniature low-power consumption comprehensive kernel processor based on avionics full duplex switched Ethernet (AFDX) |
| CN102567273A (en) * | 2011-12-29 | 2012-07-11 | 中国航空工业集团公司第六三一研究所 | Miniature integrated core processor based on fiber channel (FC) network |
| CN203276088U (en) * | 2012-11-30 | 2013-11-06 | 中国航空工业集团公司第六三一研究所 | Airborne computer integrated system structure |
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| CN112380159A (en) * | 2020-11-17 | 2021-02-19 | 南京航空航天大学 | IMA core processing system structure configuration method |
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