CN109660406A - A method of based on blueprint and chained list implementation trade-off radio frequency system function remodeling - Google Patents
A method of based on blueprint and chained list implementation trade-off radio frequency system function remodeling Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 11
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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Abstract
The invention discloses a kind of methods for realizing comprehensive radio frequency system function remodeling based on blueprint and chained list.Wherein blueprint describes comprehensive radio frequency system function using XML language and operates normally set prediction scheme；Chained list is as prediction scheme survival carrier, configuration resource needed for successively mounting each function operation of current system by function priority orders.The present invention realizes the lower coupling of code and hardware plan, if internal system crosslinking relationship is changed, it is only necessary to blueprint prediction scheme is changed, without changing code.Meanwhile invention solves the problems, such as the control flow of comprehensive radio frequency system complexity, gives solution in terms of module protocol configuration, Waveform Reconstructing, communication node are established and reconstruct the process for using of prediction scheme.And can be controlled by artificially revising, more excellent prediction scheme is selected, the calculating time in system operation to reconstruct prediction scheme is saved.
Description
Technical field
The present invention relates to avionics radio frequency systems, more particularly to one kind to realize comprehensive radio frequency system function based on blueprint and chained list
The method of reconstruct.
Background technique
Since avionics radio frequency system integrated level and complexity are higher and higher, the necessity and importance of system synthesization also with
Promotion.Traditional association type system using multiple data processors complete low bandwidth data transmission and interact, each unit it
Between be crosslinked by number bus, resource-sharing only information chain rear end control and display link.And more advanced synthesis is penetrated
Display system then uses modularization, the interchangeable design philosophy in outfield, by shared hardware resource configuration, utilizes software dynamic weight
Structure realizes the radio-frequency enableds such as communication, navigation, identification, electronic warfare.
In association type system excessively to during the realization of Integrated system, mainly there is following difficult point:
First, how by scheduling to system resource, manage and control, hardware resource sharing is realized, to complete synthesization
The functions such as intra-system communication, navigation, identification, electronic warfare.
Second, since module hardware crosslinking relationship constantly changes, and under technical level at this stage, hardware component is still
It is difficult to reach completely general requirement, therefore unavoidably there is local otherness between module.If by program that difference is complete
Portion's description, size of code will be very huge, and the frequent change of development stage crosslinking relationship will lead to code and largely change, and software can
It is difficult to ensure by property and maintainability.
Third is crosslinked between processor by number bus in traditional association type system, and hardware state determines
It whether normal communicates.And in Integrated system, functional software waveform is provided virtual logical as communication node by interchanger
Road is communicated.Under the premise of herein, how equilibrium function reconstructs the opportunity established with communication node virtual channel, and rationally peace
The process flow of re-scheduling structure becomes the problem in Integrated system.
4th, in association type system, it is only necessary to carry out parameter configuration to the standalone module for realizing function, function can be normal
Operation.And in Integrated system, before configuration feature parameter, it is necessary to first configure common hardware resource, complete Waveform Reconstructing, beat
Logical function access.However, common hardware resource is numerous, the hardware attributes that need to be configured even more are difficult to count accurately, and different function institute
The hardware resource needed is different.If each attribute corresponds to a software protocol, attribute needed for when configuration feature issues this function is assisted
View, then number of protocols will be very huge.Such implementation is simultaneously unrealistic.It therefore, should be based on primary with the configuration-direct of module
The principle of allocation is sent.How by software design, the functional reconstruct configuration attribute of institute is extracted, it is primary to be concentrated to an agreement
Property allot and Integrated system reconstruct process one of difficult point.
Summary of the invention
In view of the above-mentioned problems of the prior art, the present invention proposes that one kind realizes comprehensive radio frequency system based on blueprint and chained list
The method of system function remodeling.Wherein blueprint describes comprehensive radio frequency system function using XML language and operates normally set prediction scheme；
As prediction scheme survival carrier, configuration needed for successively mounting each function operation of current system by function priority orders provides chained list
Source.
The technical solution adopted by the present invention is that: a kind of side realizing comprehensive radio frequency system function remodeling based on blueprint and chained list
Method, which is characterized in that the system comprises pre-process list for receiving external signal and carrying out pretreated sensor to signal
Member, including sensing data distribution switch, including the signal processing being made of internal signal administrative unit and multiple treatment channels
Module, including the data processing module being made of internal data management unit and multiple treatment channels, including as comprehensive radio frequency
The system of the backbone module of system controls management module；Wherein sensor pretreatment unit by sensing data distribution switch with
The signal processing channel of signal processing module carries out signal transmission connection；At the signal processing channel of signal processing module, data
The data processing channel and system control management module for managing module pass through data network switch and carry out data transmission connecting；
Sensor pretreatment unit, sensing data distribution switch, signal processing module, system control management module, data processing mould
Block is all connected to the comprehensive radio frequency system internal data bus.
Blueprint of the present invention describes comprehensive radio frequency system function using XML and operates normally set prediction scheme；Chained list is made
For prediction scheme survival carrier, configuration resource needed for successively mounting each function operation of current system by function priority orders, specifically
Steps are as follows:
One, firstly, parsing blueprint prediction scheme file, prediction scheme file is saved into the prediction scheme caching of system management software application.
Two, prediction scheme is successively extracted, and analyzes whether the prediction scheme can be used according to the health status of current system resource.
Three, it is put into if prediction scheme is available in reconstruct prediction scheme chained list, if unavailable continue the next prediction scheme of poll.
Four, the configuration relation of all prediction schemes in chained list is extracted, integrated, system resource relationship allocation list is formed.
Five, configuration-direct is issued to modules, and after module returns configuration successful, waveform node is added to data
In the network switch, primary reconstruct process is completed.
It is of the present invention that relationship is crosslinked according to internal system, and selection of the user to resource module needed for function is combined,
Single prediction scheme, or the configuration information of the Microsoft Excel file acquisition key modules resource from reconstruct prediction scheme are generated, table is automatically generated
Whole XML prediction schemes in lattice file.
XML file framework of the present invention includes: father node, level-one child node, second level child node, three-level child node；
Father node is function, and level-one child node is prediction scheme, and second level child node is waveform, and three-level child node is hardware resource blocks, level Four
Child node is that the set of required configuration when this waveform is run under the module.
Node configuration in level Four child node of the present invention is divided into two types: first is that itself belonging to be currently configured
Property；Second is why the configuration attribute of the corresponding module should be worth and the attribute value should map to software association in the operation of certain function
Which byte and bit of view, the i.e. specific location of agreement.
It is of the present invention when issuing agreement, in agreement respective byte and the position fill area attribute value of bit；In system
When carrying out function remodeling, multiple prediction schemes are traversed, the configuration of eligible prediction scheme is taken out, are filled respectively to the agreement of modules
In, system resource configuration relation table is formed, a centralized configuration is completed.
Selection symmetric encipherment algorithm 3DES algorithm of the present invention encrypts blueprint file；By encrypted blueprint
Prediction scheme is put into system FLASH；After system electrification, prediction scheme is decrypted, and all blueprint prediction schemes after decryption are loaded
Into caching, then implement system reconfiguration process.
System reconfiguration process of the present invention has the following steps:
The first step, creation system function reconstruct prediction scheme chained list, and reconstruct prediction scheme chained list is for storing the prediction scheme section for meeting reconstruction condition
Point, i.e. handle；Prediction scheme node data structures reconstruct the frequency of failure, Wave data knot by feature index number, prediction scheme call number, prediction scheme
Structure attribute composition；Whether Wave data structure is effective by the waveform and each module data structure forms；Module data structure is by mould
Block ID, channel call number, routing ID, module respectively configure in the prediction scheme whether effectively, configuration attribute value and the value be in agreement
In position composition；Wherein channel call number, routing two attribute of ID are only signal processing module or data processing mould in module
Effective when block, routing ID is that waveform is added to the virtual ID in data network switch.
Second step starts dynamic restructuring timer, and timing arrives, and execute automatic reconstruct step: system is excellent according to function
First grade, the blueprint prediction scheme data structure of poll from high to low, if the reconstruct frequency of failure of current prediction scheme less than 3 times, and institute
Resource is needed all to meet reconstruction condition, i.e., module health status supports reconstruct and module is not occupied by other function, or occupies
The function priority of the module is lower, then using the prediction scheme as can be added with prediction scheme node into function remodeling chained list, and marks
Required module resource has been occupied by the function；Second step is repeated, until the prediction scheme poll of lowest priority function is completed.
Third step, after all prediction scheme nodes that need to be reconstructed are added to chained list, system takes out all indigo plants in the chained list
Figure prediction scheme fills the configuration parameter in prediction scheme to agreement, issues agreement to modules by internal system data/address bus, and
Starting waits the timer of reconstruction result.
4th step after modules receive configuration protocol, if this time configuration is identical as last configuration, no longer carries out weight
Configuration, to prevent causing function to be interrupted due to reconstructed operation；If configuration is different from the last time, Waveform Reconstructing operation is carried out, and return
Pass reconstruction result.
5th step, after waiting the timer time of reconstruction result to arrive, system returns whether result judgement configures according to agreement
Success, if module needed for function is each configured to function, which is added in data network switch, completes virtual section
The route assignment of point, deletes the prediction scheme node if configuration failure, and the prediction scheme reconstruct frequency of failure is marked to add 1.
6th step deletes the reconstruct prediction scheme node of the function in chained list if function fails in system operation,
And delete waveform and waveform communication node.
Automatic reconstruct of the present invention executes once at regular intervals, and whether inquiry system currently has the function that need to be reconstructed
Can, to guarantee that higher-priority functions are executed as far as possible.
Comprehensive radio frequency system function remodeling principle: referring to figs. 1 to Fig. 5, sensor pretreatment unit utilizes each sensor
Component receives external signal, and pre-processes to signal；Sensing data distribution switch is responsible for closing by adjusting switch crosslinking
System, gets forwarded to corresponding signal processing module for pretreated signal；Signal processing module is by internal signal administrative unit and more
A treatment channel composition, internal signal administrative unit are responsible for interacting with intra-system bus, and control each channel reset and
The reconstruct of waveform, each channel load different software waveforms by reconstruct, realize that carrying out further decoding to data calculates；Number
Be made of according to processing module internal data management unit and multiple treatment channels, internal data management unit be responsible for it is total in system
Line interaction, and the reset in each channel and the reconstruct of waveform are controlled, each channel loads different software waveforms by reconstruct,
Realize the control and integration to signal processing module data；Data network switch is as software waveform communication bridge, software wave
Shape is added as communication node to interchanger, communicates between can realizing software waveform by virtual link；System control management mould
Backbone module of the block as comprehensive radio frequency system, by reading, analysis, integrates XML(extensible markup language) prediction scheme, in management
Hardware resource configuration is stated, the radio-frequency enableds such as system communication, navigation, identification are realized in the reconstruct of complete paired systems.
The invention has the advantages that: the present invention realizes the lower coupling of code and hardware plan, if in system
Portion's crosslinking relationship is changed, it is only necessary to blueprint prediction scheme is changed, without changing code.Secondly, invention solves comprehensive radio frequency system
The process for using side of prediction scheme is established and reconstructed to complicated control flow problem in module protocol configuration, Waveform Reconstructing, communication node
Face gives solution, provides the new approaches of comprehensive radio frequency system reconstruction model.The think of that the present invention trades space for time
Think, prediction scheme screening operation is carried out, and can be controlled by artificially revising before system is run, select more excellent prediction scheme, section
The calculating time in system operation to reconstruct prediction scheme is saved.Finally, such thinking is also applicable to other Integrated systems, without
It is only limitted to comprehensive radio frequency system.
Detailed description of the invention
Fig. 1 is present system function remodeling schematic diagram；
Fig. 2 is present system hardware resource composition figure；
Fig. 3 is that present system XML blueprint generates software figure；
Fig. 4 is present system blueprint XML schema figure；
Fig. 5 is present system addition reconstruct prediction scheme flow chart.
Specific embodiment
The present invention will be described in detail in the following with reference to the drawings and specific embodiments.
Embodiment: referring to figs. 1 to Fig. 5, realize that the method for comprehensive radio frequency system function remodeling is specific based on blueprint and chained list
Steps are as follows:
Step 1, module prediction scheme or the EXCEL file comprising whole prediction schemes according to selected by user, indigo plant needed for automatic creation system
Figure prediction scheme file.
Step 2, using 3DES algorithm by the prediction scheme file encryption, and encrypted prediction scheme file is stored to comprehensive radio frequency
In system FLASH.
Step 3, when system electrification, prediction scheme file is read, XML is decrypted according to Encryption Algorithm.
Step 4, the XML structure after decryption is parsed, critical parameter validity, and by effective prediction scheme XML structure
It saves into caching.
Step 5, after prediction scheme is parsed, system creation system function dynamic restructuring chained list, and it is fixed to start automatic reconstruct
When device；Timing arrives, system by according to the priority of function from order traversal whole function high to low, that pre- Reference Number is ascending
The prediction scheme of energy and function.
Step 6, system addition reconstruct prediction scheme process, takes highest priority function first, and judges that system function reconstructs chain
In table whether the existing function prediction scheme node, if in chained list do not exist this function remodeling prediction scheme, according to pre- Reference Number from it is small to
Big sequence obtains the prediction scheme of the function in the buffer.
Step 7, after obtaining a function prediction scheme, judge hardware resource needed for prediction scheme, i.e., believe with system resource health
Breath view compares: in the case where certain hardware resource malfunction does not influence the function remodeling, the hardware resource is not by other
The function priority that function occupied or occupied the resource is lower, then continues to judge whether other hardware resources in the prediction scheme are same
Sample meets above-mentioned condition；If whole hardware resources are all satisfied, required hardware resource is marked to be subordinated to current function, i.e. assignment
Respective attributes in prediction scheme node data structures, avoid other function from reusing, and using the prediction scheme node of the function as chained list section
Point is inserted according to function priority (function of highest priority as head node, priority is minimum for tail node, and so on)
Enter into reconstruct prediction scheme node linked list, waits reconstruct；If any hardware resource is unsatisfactory for, the prediction scheme is unavailable, and system continues
The lower prediction scheme of poll is until meet condition；If in ergodic process, current function find certain prediction scheme meet the requirements or function it is complete
Reconfiguration request is not satisfied in portion's prediction scheme, then continues the function prediction scheme of the low level-one of the current function priority of polling ratio, until whole function
It can traverse and finish.
Step 8, after above step, current all functions of meeting reconstruction condition have all been added to function remodeling chain
In table；The node in chained list is successively taken out, whole parameters in prediction scheme are obtained, corresponds to agreement corresponding position and assignment, does not assign
The position of value fills out 0；After the whole equal assignment of node prediction scheme to agreements in chained list, agreement is issued to modules, meanwhile, it opens
Dynamic reconstruction result waiting timer, after the stipulated time, processing module returns result.
Step 9, since signal processing module, data processing module reconstitution time are longer, and restructuring procedure will lead to function
It interrupts, therefore modules will judge after receiving agreement according to agreement: if this configuration attribute configured phase with last time
Together, then reconstruct process is not repeated, to avoid the interruption of unnecessary function；If current attribute is different from last time attribute configuration,
Signal processing module, data processing module internal control unit will reconstruct respective channel, and load new software waveform, pass
Sensor data distribution switch module only needs switching to switch；If module successfully reconstructs, passback is reconstructed successfully to system control module.
Step 10, the reconstruction result waiting timer time arrives, and program judges all agreements passback result: traversal weight
Whole nodes in structure function chained list, if the response status of module needed for functional node is consistent with the attribute configured before and again
Structure result is that successfully, then the software waveform node that the function is related to can be added in data network switch, establish software wave
The virtual channel that shape communicates in systems completes route assignment；If reconstruction result fails, the prediction scheme reconstruct frequency of failure is recorded
Add 1, and the node is deleted from function remodeling chained list, while the agreement in invocation step 8 allots function, removes reconstruct failure
Waveform and each attribute configuration, make pre- present in system Current software waveform state and attribute configuration and function remodeling chained list
Case node matches.
Step 11, after reconstruction cycle timer timing arrives, the process that step 5 arrives step 10 is repeated, is guaranteed
Timer executes function will start automatic reconstruct in the following two cases: first, if determining in step 8, reconstruct fails into
Function, after timing arrives, timing function, which continues to traversal, system to be reconstructed with prediction scheme, if module passback reconstruct
As a result failed three times, then it will the next prediction scheme of poll when timing function executes next time；Second, in comprehensive radio frequency system
It unites in operational process, the function being currently running, has occurred failure and the failure affects function execution, triggers reconstruct and deletes
This function, then after timing arrives, timing function will be the available prediction scheme of function poll, guarantee system function, especially
It is the normal operation of the function of high priority.
Claims (9)
1. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling, which is characterized in that the system
Including for receiving external signal and being assigned to the pretreated sensor pretreatment unit of signal progress, including sensing data
It closes, including the signal processing module being made of internal signal administrative unit and multiple treatment channels, including by internal data management
The data processing module of unit and multiple treatment channels composition, the system control including the backbone module as comprehensive radio frequency system
Management module；Wherein sensor pretreatment unit is logical by sensing data distribution switch and the signal processing of signal processing module
Road carries out signal transmission connection；The signal processing channel of signal processing module, the data processing channel of data processing module and
System control management module passes through data network switch and carries out data transmission connecting；Sensor pretreatment unit, sensor
Data distribution switch, signal processing module, system control management module, data processing module are all connected to the comprehensive radio frequency system
System internal data bus.
2. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 1,
It is characterized in that, the blueprint, which describes comprehensive radio frequency system function using XML language, operates normally set prediction scheme；Chained list is made
For prediction scheme survival carrier, configuration resource needed for successively mounting each function operation of current system by function priority orders, specifically
Steps are as follows:
One, firstly, parsing blueprint prediction scheme file, prediction scheme file is saved into the prediction scheme caching of system management software application；
Two, prediction scheme is successively extracted, and analyzes whether the prediction scheme can be used according to the health status of current system resource；
Three, it is put into if prediction scheme is available in reconstruct prediction scheme chained list, if unavailable continue the next prediction scheme of poll；
Four, the configuration relation of all prediction schemes in chained list is extracted, integrated, system resource relationship allocation list is formed；
Five, configuration-direct is issued to modules, and after module returns configuration successful, waveform node is added to data network
In interchanger, primary reconstruct process is completed.
3. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 2,
It is characterized in that, being crosslinked relationship according to internal system, and selection of the user to resource module needed for function is combined, generated single pre-
Case, or the configuration information of the Microsoft Excel file acquisition key modules resource from reconstruct prediction scheme, automatically generate in form document
Whole XML prediction schemes.
4. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 3,
It is characterized in that, XML file framework includes: father node, level-one child node, second level child node, three-level child node；Father node is function
Can, level-one child node is prediction scheme, and second level child node is waveform, and three-level child node is hardware resource blocks, and level Four child node is should
The set of required configuration when this waveform is run under module.
5. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 4,
It is characterized in that, the node configuration in level Four child node is divided into two types: first is that for the self attributes being currently configured；Second is that
When certain function is run, why the configuration attribute of the corresponding module should be worth and the attribute value should map to software protocol which
Byte and bit, the i.e. specific location of agreement.
6. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 5,
It is characterized in that, when issuing agreement, in agreement respective byte and the position fill area attribute value of bit；Function weight is carried out in system
When structure, multiple prediction schemes are traversed, take out the configuration of eligible prediction scheme, are filled respectively into the agreement of modules, system is formed
Resource distribution relation table completes a centralized configuration.
7. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 6,
Blueprint file is encrypted it is characterized in that, choosing symmetric encipherment algorithm 3DES algorithm；Encrypted blueprint prediction scheme is put into
Into system FLASH；After system electrification, prediction scheme is decrypted, and all blueprint prediction schemes after decryption are loaded onto caching,
Then implement system reconfiguration process.
8. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 7,
It is characterized in that, system reconfiguration process has the following steps:
The first step, creation system function reconstruct prediction scheme chained list
Reconstruct prediction scheme chained list is for storing the prediction scheme node for meeting reconstruction condition, i.e. handle；Prediction scheme node data structures are by function
Call number, prediction scheme call number, the prediction scheme reconstruct frequency of failure, Wave data structure attribute composition；Wave data structure is by the waveform
Whether effective and each module data structure composition；Module data structure is respectively matched by module I D, channel call number, routing ID, module
Set in the prediction scheme whether the position of effective, configuration attribute value and the value in the protocol forms；Wherein channel call number, routing
Two attribute of ID is only effective when module is signal processing module or data processing module, and routing ID is that waveform is added to data network
Virtual ID in network interchanger；
Second step starts dynamic restructuring timer, and timing arrives, and executes automatic reconstruct step: system according to function priority,
The blueprint prediction scheme data structure of poll from high to low, if currently the reconstruct frequency of failure of prediction scheme is less than 3 times, and required resource
All meet reconstruction condition, i.e., module health status supports reconstruct and module is not occupied by other function, or occupies the module
Function priority it is lower, then using the prediction scheme as can be added with prediction scheme node into function remodeling chained list, and mould needed for marking
Block resource has been occupied by the function；Second step is repeated, until the prediction scheme poll of lowest priority function is completed；
Third step, after all prediction scheme nodes that need to be reconstructed are added to chained list, it is pre- that system takes out all blueprints in the chained list
Case fills the configuration parameter in prediction scheme to agreement, issues agreement to modules by internal system data/address bus, and start
Wait the timer of reconstruction result；
4th step after modules receive configuration protocol, if this time configuration is identical as last configuration, is no longer reconfigured
It sets, to prevent causing function to be interrupted due to reconstructed operation；If configuration is different from the last time, Waveform Reconstructing operation is carried out, and return
Reconstruction result；
5th step, after waiting the timer time of reconstruction result to arrive, system according to agreement return result judgement whether configuration successful,
If module needed for function is each configured to function, which is added in data network switch, dummy node is completed
Route assignment deletes the prediction scheme node if configuration failure, and the prediction scheme reconstruct frequency of failure is marked to add 1；
6th step deletes the reconstruct prediction scheme node of the function in chained list if function fails in system operation, and deletes
Except waveform communication node.
9. a kind of method based on blueprint and chained list implementation trade-off radio frequency system function remodeling according to claim 8,
It is characterized in that, automatic reconstruct executes once at regular intervals, whether inquiry system currently has the function that need to be reconstructed, to guarantee
Higher-priority functions are executed as far as possible.
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