CN105118008A - Channel-level health management method of integrated communication navigation and recognition system - Google Patents
Channel-level health management method of integrated communication navigation and recognition system Download PDFInfo
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Abstract
The invention discloses a channel-level health management method of an integrated communication navigation and recognition system. The method includes the following steps that: step 1, a system-level logic device is built; and step 2, the attributes of the system-level logic device are utilized to monitor modules and the statuses of task channels of the modules in real time, and attribute values are stored in a system logic device attribute container. According to the channel-level health management method of the integrated communication navigation and recognition system of the invention, the system-level logic device and the types of related attributes are additionally adopted, management on the health states of the task channels in the system and real-time monitoring on the modules of the system and the statuses of the channels can be realized.
Description
Technical field
The present invention relates to the health control method in integrated communication navigation identification (hereinafter referred to as ICNI) system, particularly relate to the channel level health control method of the ICNI system based on software communications architecture (hereinafter referred to as SCA).
Background technology
Communication, navigation, identification (CNI) system are important component parts in avionics system, and along with electronic technology develop rapidly, its technology is to synthesization, modularization, digitizing future development.ICNI system is that a kind of hardware and software all adopts the configurable radio system of open architecture, Multiband-multimode, software programmable, hardware, achieve by the evolution of association type framework to synthesization framework, effectively reduce volume, weight, improve the reliability of system simultaneously.
Domestic and international polytype CNI overall planning all applies the concept of software radio (hereinafter referred to as SDR), and the thought of SDR meets avionics system synthesization, modularization, open developing direction.SCA is one group of rule being used for realizing SDR system, method and design standards, is made up of interface, behavioural norm, general rule, waveform application routine interface and required demand for security, in order to retrain SDR system to help to reach design object.Namely ICNI system involved in the present invention is the aviation integrated communication Navigation Identification System based on SCA framework.
Core frame (hereinafter referred to as CF) in SCA is the taproot collection of Freeware interface and Description, and these interfaces and Description are used for the configuration of the waveform application unit in embedded communication system, management, interconnected and communicate.CF realizes the operations such as registration to the waveform application resource of system inner assembly and hardware resource, cancellation, deployment and attribute configuration by domain manager and equipment manager.CORBA middleware Technology and hardware abstraction layer technology achieve effective decoupling zero of SDR software platform and concrete data processing, signal transacting and radio frequency related device, are the key elements that SDR system realizes Resourse Distribute, reconstruct and migration.
As shown in Figure 1, according to the feature of above-mentioned SCA, adopt the SDR system of SCA can manage depth requirements according to designer to system, utilize CF to realize the waveform soft and hardware Resourse Distribute meeting specific requirement.Because system adopts synthesization, standardization, General design on hardware resource, SDR platform individual module is made to possess multiple identical task passage.In large-scale complex SDR system, top layer management platform can according to resource allocation requirements, generates fixing resource allocation policy, by CF by waveform application resource deployment on different passages.As the important component part in avionics system, the running status of ICNI system directly concerns the flight safety of flying platform.Although there is multiple task passage based in the ICNI system of SCA, but generally only consider how Appropriate application channel resource is to meet waveform demand, after not relating to channel failure waveform application resource redistribute problem, namely do not have corresponding health control mechanism, mainly comprise following some:
1, the monitoring mechanism of system running state;
2, fault and warning information diagnosis mechanism;
3, the migration Reconstruction Mechanism of waveform components on fault isolation and faulty channel.
Summary of the invention
Goal of the invention of the present invention is the channel level health control method providing a kind of integrated communication Navigation Identification System, under the prerequisite meeting SCA specification, for the ICNI system having multiple same task passage, a kind of monitoring system running status is proposed, utilize corresponding fault diagnosis and algorithms for fault isolation, realize nonserviceabling the method for the migration reconstruct of lower waveform components on normal channel, solves the health control problem of ICNI system channel level.
Goal of the invention of the present invention is achieved through the following technical solutions
A channel level health control method for integrated communication Navigation Identification System, comprises following steps:
Step 1, set up system-level logical device;
Step 2, utilize the state of each attribute of system-level logical device to each task passage that module and module have to monitor in real time, and property value is stored in the middle of system-level logical device property container.
According to above-mentioned feature, each attribute kit of described system-level logical device contains the state of each task passage that the title of module, slot number, electric current, voltage, temperature and module have.
According to above-mentioned feature, described step 2 is realized by following steps:
Step 2.a, obtain domain manager object by CF, obtained the equipment manager object registered in territory by domain manager, and then obtain the equipment sequence registered in equipment manager;
Step 2.b, by device identifier comparison to equipment sequence, obtain system-level logical equipment object;
Step 2.c, attribute-identifier according to system-level logical equipment object, obtain the property value of each task passage that corresponding module and module have, be stored in the middle of system-level logical device property container.
Further, described channel level health control method also comprises following steps:
Step 3, require to form threshold value table for judging system health state according to corresponding index, the property value of each task passage module of acquisition and module had constantly compares with corresponding threshold value, and off-limits alarm prompt that carries out reports.
According to above-mentioned feature, described step 3 is realized by following steps:
Step 3.a, require to form threshold value table for judging system health state according to corresponding index;
Step 3.b, poll is carried out to the attribute in system-level logical device property container, extract corresponding property value according to attribute-bit;
Step 3.c, poll is carried out to threshold value table, extract threshold value according to respective identification;
Step 3.d, every for system-level logical device property value and threshold value to be compared, if normal, do not deal with, if go beyond the scope, provide alarm;
The health status of step 3.e, identification mission passage, identifies respectively to normal and malfunction;
Step 3.f, failure judgement status indicator, if the fault of being found to be, carry out corresponding fault handling.
Further, described channel level health control method also comprises following steps:
Step 4, carry out fault handling decision-making according to alarm prompt, realize faulty channel waveform function migration reconstruct.
According to above-mentioned feature, described step 4 realizes by the following method:
Step 4.a, judge available normal tasks passage;
Step 4.b, transmission command adapted thereto, call CF relevant interface, complete the unloading of waveform on fault task passage;
Step 4.c, transmission command adapted thereto, call CF relevant interface, waveform be loaded into current normal tasks passage, and be just in using state by this normal tasks path marking.
The present invention possesses following features:
(1) the present invention proposes a kind of under the prerequisite of complete compatible SCA specification, by increasing the method for system-level logical device and association attributes type, realize managing, for the real-time monitoring to system module and channel status the health status of task passage in system.
(2) the present invention is by real time contrast's monitor value and normality threshold, and realize ALM state recognition and warning information real-time report, user can carry out respective handling decision-making according to corresponding warning information, is conducive to safe handling and the maintenance of system equipment.
(3) the present invention is by arranging the method for multiple malfunction flag, realizes the isolation of system fault channel.When waveform application migration or new waveform application load, waveform components can be loaded on normal task passage, and fault task passage does not participate in Resourse Distribute.In conjunction with SCA and system multiplex passage feature, the present invention substantially increases ICNI security of system and stability.
(4) adopt OO thought, with the low coupling of function, high cohesion for principle, ICNI system channel level health control program be divided into status information of equipment to obtain and process, state recognition and Fault Tree Diagnosis Decision three functional modules.Each assembly can require to develop further or secondary development according to difference, improves the extensibility of system, reduces tomorrow requirement and change the system development and testing cost that bring.
Accompanying drawing explanation
Fig. 1 is the SDR system task access diagram based on SCA;
Fig. 2 is health control program class and association uml diagram; CHealthManagement class is used for the initialization of health control program, creates the associative operation that separate threads calls CDevStatus class object, completion system status real time monitor; CStatusIdentify class is carried out identification to the result of Real-Time Monitoring and is judged, provides alarm or failure message, and realizes algorithms for fault isolation; If produce fault, call CDiagnosisDecision class and realize fault diagnosis process, realize waveform function migration;
Fig. 3 is health control program operational scheme uml diagram;
Fig. 4 is fault isolation and Processing Algorithm flow process uml diagram;
Fig. 5 is the system chart of ICNI system channel level health control embodiment.
Embodiment
First provide as given a definition:
Definition 1: domain manager: the registration of waveform components resource, equipment manager and cancellation in management domain, establishment and the waveform function of being responsible for waveform application manage.
Definition 2: equipment manager: be responsible for the registration of logical device resource in territory in system, the configuration of cancellation and device attribute and inquiry.
Definition 3: logical device: the ageng of particular hardware equipment in SCA.Logical device is by hardware abstraction layer protocol realization to the operation of particular hardware interface, and CF realizes configuration and the inquiry of the loading and unloading of waveform application assembly on particular hardware equipment and the attribute such as place capacity, using state by logical device.
Definition 4: module: be the definition on physical structure, refers to concrete hardware module.
Definition 5: application: perform the program that is specifically deferred to SCA function, be made up of one or more resource.
Definition 6: resource: the component software with certain standard interface, can form specific application program, and these application programs will complete specific communication function and agreement, comprises software resource and logical device.
Definition 7: passage: the hardware path be made up of devices such as GPP, DSP, FPGA formed according to routing relation, for the deployment of waveform application assembly, realizes waveform function.Based in the ICNI system module of SCA, there is multiple identical passage, the flexible allocation of resource can be realized.
Definition 8: waveform moves: refer to that waveform components is under different deployment strategy or channel failure state, unloads from current channel and is loaded into other passages, again realizing the process of waveform function.
Definition 9: status monitoring: refer to the Real-Time Monitoring to equipment running status in passage, comprises electric current, voltage, temperature, channel status etc.
Definition 10: state recognition: the facility information collected is compared with setting threshold value, identifies running status, decision making function assembly is uploaded in alarm and failure message.
Definition 11: diagnosis decision-making: mainly comprise channel level fault diagnosis and fault isolation, produces fault handling decision-making and warning information disposal decision.
Definition 12: fault isolation: utilize logical algorithm to be got rid of from system allowable resource by the passage broken down, does not re-use this passage in waveform application migration and other waveform loading procedures.
The channel level health control method of a kind of integrated communication of the present invention Navigation Identification System realizes mainly through following step.Respectively devise status information of equipment according to each implementation step to obtain and processing components, state recognition assembly and Fault Tree Diagnosis Decision assembly.
In step 1, expansion SCA, the attribute of logical device, sets up system-level logical device.
In SCA standard, logical device property value that is configurable and inquiry comprises using state attribute (usageState), Authorization Attributes (adminState), mode of operation attribute (operationalState), capacity distributive property (allocateCapacity), capacity release property (deallocateCapacity).For meeting the demand of system equipment status monitoring, the attribute of logical device being expanded, sets up system-level logical device (SystemDevice).
The state of each task passage that the attribute expanded in system-level logical device comprises the title of module, slot number, electric current, voltage, temperature, module have.
Step 2, according to the system-level logical device attribute of the virtual condition real-time update of hardware device, and by realizing acquisition and the process of channel unit status information to the inquiry of system-level logical device association attributes.System-level logical device by status information of equipment obtain to processing components by relevant sensor data collection, be sent to system-level logical device by hardware abstraction layer, system-level logical device by after Data Analysis stored in corresponding property value.The expansion of system-level logical device attribute makes the health control of the ICNI system based on SCA have numerical basis, the monitoring of system running state can be realized, for Fault Identification afterwards and isolation, Processing Algorithm provide prerequisite under the prerequisite meeting SCA structure.
The operational scheme of status monitoring is as follows:
A. obtain domain manager object by CF, obtained the equipment manager object registered in territory by domain manager, and then obtain the equipment sequence registered in equipment manager;
B. by the comparison of equipment sequence device identifier, system-level logical equipment object is obtained;
C. according to electric current, voltage, temperature etc. the attribute-identifier of system-level logical device, obtain corresponding property value, be stored in the middle of container.
Step 3, require to form threshold value table for judging system health state according to corresponding index, constantly compared with corresponding threshold value by the system-level logical device every health status property value obtained, off-limits alarm prompt that carries out reports.According to the task channel status attribute in system-level logical device, the relevant treatment under utilizing respective algorithms to carry out malfunction.Idiographic flow is as follows:
A. the system logic device property container obtained by status information of equipment and obtain in processing components imports to state recognition assembly as parameter;
B. poll is carried out to the attribute in system logic device property container, extract corresponding property value according to attribute-bit;
C. poll is carried out to health status threshold value table, extract threshold value according to respective identification;
D. every for system-level logical device attribute relevant to system health state and threshold value are compared, if normal, do not deal with, if go beyond the scope, provide alarm;
E. identification mission passage health status, identifies respectively to normal and malfunction, for the isolation to fault task passage;
F. failure judgement status indicator, if the fault of being found to be, calls Fault Tree Diagnosis Decision assembly and carries out corresponding fault handling.
Step 4, the fault triggered according to passage health status carry out fault handling decision-making, realize faulty channel waveform function migration reconstruct.
Algorithms for fault isolation achieves faulty channel can arrange eliminating in resource in system, give current available passage simultaneously.According to triggered channel failure, provide corresponding interface to call for fault handling algorithm, realize the migration of waveform function at normal channel.Idiographic flow is as follows:
A. according to algorithms for fault isolation, judgement system can normal channel;
B. send command adapted thereto, call CF relevant interface, complete the unloading of waveform on fault task passage;
C. send command adapted thereto, call CF relevant interface, waveform is loaded into current normal tasks passage, and be just in using state by this normal tasks path marking.
Below by one group of experimental data, the present invention is described in further detail.
The following hardware module of SDR system of the present embodiment is formed:
1.PowerPCMPC8548CPU；
2. the digital signal processing module relevant to application component;
3. with application component correlated digital transceiver module.
4. the Switching Module relevant to routing configuration.
The block diagram of whole system as shown in Figure 5.This system possesses four task passages, and each task passage comprises 1 CPU, 1 DSP and 1 FPGA.The mutual access of each hardware device of task passage is realized by digital switch module.
As shown in Figure 2 and Figure 3, the startup implementation status of the first step, checking ICNI system health supervisory routine:
1., after system electrification, main control module loads real time operating system, loads CF, logical device and system platform management software simultaneously.The task control platform held by PC is completed and is connected with the telnet of ICNI operating system, observing system implementation status.
2. platform management software completes the initialization operation of health control program, and create health status Real-Time Monitoring task, task ID is healthManagement.
3. after task creation success, health control program starts to perform, and PC holds task control platform printout in real time to comprise the monitoring information of the title of module, slot number, voltage, electric current, temperature, clock, chip number, slot state, passage 1 state, passage 2 state, passage 3 state, passage 4 state.
Second step, checking channel status information obtain and processing capacity implementation status:
1. obtain system domain manager object by CF, obtain equipment manager object by domain manager, and then the logical device list of registering in acquisition system.
2. search name in logical device list and be called the logical device of SystemDevice, be i.e. system-level logical device.
3. obtain corresponding property value according to system-level logical device Property Name, such as the name attribute of Property Name DCE:CDPM1-NAME:1 acquisition module 1, passage 1 status attribute of DCE:CDPM2-CHANNEL1STATUS:1 acquisition module 2.
4. people is for implanting channel failure, and observe the situation of change of monitoring information, step is as follows:
First obtain the object of system-level logical device SystemDevice, arranging its Authorization Attributes is UNLOCKED, to obtain the change authority to its property value;
Change the module 1 that slot number is 5, the state of No. 2 passages is malfunction, obtaining system-level logical device Property ID corresponding with it according to the failure message implanted is DCE:CDPM1-CHANNEL2STATUS:1, property value is 1, represent malfunction, by the configure () interface of calling logic equipment, complete malfunction and implant;
Viewing console type information, No. 2 channel statuses 0 of module 1 become 1, represent fault-injection success, and health control program can the current health status of real-time acquisition system.
As shown in Figure 4, under the 3rd step, validation fault state, fault isolation and waveform move implementation status:
1. the passage 1,2,3,4 of module 1 is defaulted as normal condition, and all meets the loading demand of test waveform.The GPP waveform components of test waveform APP_TEST, DSP waveform components, FPGA waveform components are loaded on the passage 1 of module 1, waveform function normal operation.
2. according to the method in second step, the passage 1 of module 1 implants fault, module 1 passage 1 property value becomes 1, is malfunction.Isolated by the passage 1 of algorithms for fault isolation by module 1, and send fault handling instruction to diagnosis decision-making assembly.
3., after diagnosing decision-making assembly to obtain instruction, the APP_TEST waveform on faulty channel is unloaded.Obtained currently being loaded the passage 2 that passage is module 1 by algorithms for fault isolation, call CF waveform loading interface and complete the loading of waveform on 2 passages, and this passage using state is labeled as 1, represent occupied.
4.APP_TEST waveform function performs normal, achieves the waveform migration under malfunction.Repeat 2,3, implant fault at 2 passages, APP_TEST Successful migration to 3 passage.Continue to implant fault, APP_TEST Successful migration to 4 passage at 3 passages.Then implant fault at 4 passages, APP_TEST unloads from system, and reports module 1 fault.
It is more than the health control of ICNI system channel level produces waveform migration reconstruct whole process from startup execution, status information of equipment acquisition, Fault Identification, fault isolation to fault handling.Result shows meeting under SCA specification prerequisite, and health control program accurately can obtain the every running state information of system in real time; Task channel failure can be judged in time and trigger fault isolated algorithm realize faulty channel isolation; The migration of waveform in the available channel obtained by isolated algorithm can be realized, meet the requirement of ICNI system high stability, high security.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (7)
1. a channel level health control method for integrated communication Navigation Identification System, comprises following steps:
Step 1, set up system-level logical device;
Step 2, utilize the state of each attribute of system-level logical device to each task passage that module and module have to monitor in real time, and property value is stored in the middle of system-level logical device property container.
2. channel level health control method according to claim 1, is characterized in that the state of each task passage that the title of each attribute kit containing module of described system-level logical device, slot number, electric current, voltage, temperature and module have.
3. channel level health control method according to claim 1, is characterized in that described step 2 is realized by following steps:
Step 2.a, obtain domain manager object by CF, obtained the equipment manager object registered in territory by domain manager, and then obtain the equipment sequence registered in equipment manager;
Step 2.b, by device identifier comparison to equipment sequence, obtain system-level logical equipment object;
Step 2.c, attribute-identifier according to system-level logical equipment object, obtain the property value of each task passage that corresponding module and module have, be stored in the middle of system-level logical device property container.
4. the channel level health control method according to claim 1 or 3, is characterized in that also comprising following steps:
Step 3, require to form threshold value table for judging system health state according to corresponding index, the property value of each task passage module of acquisition and module had constantly compares with corresponding threshold value, and off-limits alarm prompt that carries out reports.
5. channel level health control method according to claim 4, is characterized in that described step 3 is realized by following steps:
Step 3.a, require to form threshold value table for judging system health state according to corresponding index;
Step 3.b, poll is carried out to the attribute in system-level logical device property container, extract corresponding property value according to attribute-bit;
Step 3.c, poll is carried out to threshold value table, extract threshold value according to respective identification;
Step 3.d, every for system-level logical device property value and threshold value to be compared, if normal, do not deal with, if go beyond the scope, provide alarm;
The health status of step 3.e, identification mission passage, identifies respectively to normal and malfunction;
Step 3.f, failure judgement status indicator, if the fault of being found to be, carry out corresponding fault handling.
6. the channel level health control method according to claim 4 or 5, is characterized in that also comprising following steps:
Step 4, carry out fault handling decision-making according to alarm prompt, realize faulty channel waveform function migration reconstruct.
7. channel level health control method according to claim 6, is characterized in that described step 4 realizes by the following method:
Step 4.a, judge available normal tasks passage;
Step 4.b, transmission command adapted thereto, call CF relevant interface, complete the unloading of waveform on fault task passage;
Step 4.c, transmission command adapted thereto, call CF relevant interface, waveform be loaded into current normal tasks passage, and be just in using state by this normal tasks path marking.
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Cited By (6)
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| CN105701605A (en) * | 2016-01-08 | 2016-06-22 | 中国航空无线电电子研究所 | Waveform list management module applied to integrated communication navigation identification system |
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| CN108776602A (en) * | 2018-06-08 | 2018-11-09 | 中国人民解放军国防科技大学 | SCA-based waveform dynamic switching method |
| CN108776602B (en) * | 2018-06-08 | 2021-03-02 | 中国人民解放军国防科技大学 | SCA-based waveform dynamic switching method |
| CN108900348A (en) * | 2018-07-09 | 2018-11-27 | 中国人民解放军国防科技大学 | Platform management service implementation method based on SCA |
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Application publication date: 20151202 |