CN106294742B - A kind of space launching site security reliability database construction method and analysis and assessment system - Google Patents
A kind of space launching site security reliability database construction method and analysis and assessment system Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/242—Query formulation
- G06F16/2428—Query predicate definition using graphical user interfaces, including menus and forms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/242—Query formulation
- G06F16/2433—Query languages
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2453—Query optimisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2468—Fuzzy queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/284—Relational databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/80—Database-specific techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
Abstract
Space launching site security reliability database construction method and analysis and assessment system are mainly used for the foundation of database platform, this platform provides support with evaluation work for the analysis of space launching site security reliability.The method uses C/S model, mainly include two aspect: one is to design Storage is carried out to the data many kinds of, that total amount is huge from space launching site using open source relevant database mysql in server end, second is that utilize open-source cross-platform GUI developing instrument Qt in client, realize database additions and deletions are changed look into, data backup, the software development of the functions such as user information and rights management, log management and report generation.Database constructed by the present invention has fully considered the feature that space launching site data class is more, data volume is big, security requirement is high, and has the outstanding advantages such as cross-platform, high availability, ease for maintenance, high concurrent, high reliability, scalability.
Description
Technical field
The invention belongs to reliabilities and safety evaluation field, and in particular to a kind of space launching site security reliability database
Construction method and analysis and assessment system.
Background technique
Space launching site is a complicated system, is related to each profession such as mechanical, electrical, liquid, gas, and puts into big, engineering week
Phase is long, risk is high, once there is accident, can bring serious social influence and economic loss.In addition, China's space experiment
High density, high quality mission need also to the security reliability of space launching site, more stringent requirements are proposed.However it is right at present
In space launching site security reliability assessment there are the following problems: only security reliability assessment has been carried out to part subsystem,
It is not covered with entire transmitting field system；It is constructed without a complete database platform, it can not be to required when assessing
Data provide the support of simple and effective, seriously constrain the development of evaluation work.
Summary of the invention
The purpose of the present invention is to provide a kind of space launching site security reliability database construction method and analyzes and comment
Estimate system, consider the feature that space launching site data class is more, data volume is big, security requirement is high, there is cross-platform, High Availabitity
The outstanding advantages such as property, ease for maintenance, high concurrent, high reliability, scalability.
Technical scheme is as follows: as shown in Figure 1, a kind of space launching site security reliability database sharing side
Method, using C/S model, including server and client side；
In server end, using open source relevant database mysql to the number of the space launching site from data collection layer
It is the foundation of relationship between each data submodule according to design Storage is carried out, the method used is remembered with facilities and equipment library and rocket
Centered on recording library, experimental data base, reliability data library, fault tree database are associated with it, corresponding relationship mainly has one
To one, it is one-to-many, three kinds of multi-to-multi, finally obtain a close relation, efficiently, the low database purchase design of redundancy；Number
According to complexity and multi-data source be embodied in data collection layer system composition in, by taking loading system as an example, relate to liquid hydrogen,
The related datas such as physicochemical characteristic, the test feature of the pluralities of fuels such as liquid nitrogen, liquid oxygen, and the data source in database is in addition to having
Relevant standard system, picture, audio-video, personnel's operation note, equipment log etc., there are also relevant test datas, relate to
And file format multiplicity, size of data is different, all makes troubles to unified design Storage.
Based on above-mentioned database purchase design, open-source cross-platform GUI developing instrument Qt is used in client, is realized
Retrieval and management function to database, and friendly user interface is provided, for each database provide menu item with
Toolbar, main interface are shown in the form of Shipping Options Page, realize database retrieval and the management operation of convenient and efficient；Pipe
Reason function includes: newly-increased data, modification data, deletes data, imports data, backup and restore data, user information and permission
Management, log management, report generation, assisting software development, field extension；
To support that the correct of data uploads and downloads function between user and database, it is contemplated that Transmission Control Protocol provides super
Shi Chongfa, the excellent functions such as repeated data, inspection data and flow control are abandoned, therefore this agreement is used to carry out server end and visitor
The transmission of data between the end of family, meanwhile, it is the efficiency of speeding up data transmission, is optimized using sliding window algorithm.
The database acquisition layer carries out coded treatment to complex data type by the way of hierarchical coding, by coding
Data type afterwards can the range of the required retrieval data of positioning, retrieval of the elimination to extraneous data reduce money rapidly in retrieval
Source occupancy improves recall precision；Data set after coding is a tree construction, and the data set being located on the same floor possesses
Identical priority, the matching branch of retrieval data needed for being determined using breadth First mode, and then exactly matched
Data；Meanwhile other associated data Auto-matchings relevant to matched data and will be obtained by external key, realize retrieval data
Matching obtain and related data Auto-matching obtain function, ensure data accurately match while, also by associated number
According to matching displaying is carried out, the method is suitble to the application that space launch field data is many and diverse, data volume is big.
The client search function is realized: to provide more accurate retrieval, therefore using accurate matching and fuzzy matching
The cross-matched mode combined；Accurate matching is directed to the field that number, type, structural formula etc. are accurate, unique and short and small,
Fuzzy matching is directed to the more field of abstract, description, and both comprehensive matching result selects the strongest number of correlation
According to.
Search interface is provided in the client search function, search interface provides search key input frame, docuterm
Segment limit check box is arranged check box, every page of display number combobox, export search result function by entry time lifting/lowering sequence
Button, retrieval and search function button in the result；It supports display interface Pagination Display mechanism, page number switching is provided and jumps function
Energy button, user show number combobox by every page to select the record number when page need to be shown；It is multiple for search field range
Frame is selected, search field range is provided, user can match inputted keyword in the approximate range that can determine that；For by storage
Time lifting/lowering sequence arranges check box, provides and arranges by entry time lifting/lowering sequence, when user need to check newest typing in database
Data when, newest data can be obtained by choosing this；For exporting search result function button, support user to inspection
Rope data carry out export preservation, and there are mainly two types of modes: first is that text file directly is written in the data read from database
In, second is that exporting data by using sentence, tri- kinds of file formats of TXT, WORD, EXCEL, user are used for derived data
The file format of export data can be selected according to their own needs in export data session frame；For the data retrieved,
If desired user checks source file, in the case where itself level of confidentiality is not less than file level of confidentiality by double-clicking filename come preview source document
Only partial data is read from server end when part, i.e. user double-click preview to carry out being transmitted for user checking, and when user needs
When checking complete source file, realized by clicking download button.
In the management of the client, data are increased newly, i.e., add data into database and provide two kinds of channels: first is that straight
It connects and chooses source file to be added directly into database in batches on resource manager, then incomplete information is manually entered
Completion；Second is that addition new data is manually entered in the form of dialog box directly on interface, it can be simultaneous using both modes
The data addition under big data quantity and small data quantity situation is cared for, to promote data addition efficiency.
In the management of the client, Backup Data is backed up using navigation cat navicat database management language, can
Timed backup is realized by being arranged, and the backup that some timing node may be selected when needing to restore carries out data recovery, ensures
Data in server exception are not lost.
In the management of the client, user information and rights management use whether setting level of confidentiality and function button enable
Mode guarantees safety, uncertain whether the purpose that separately designs is the certainty and enabled function button for taking into account level of confidentiality
Property, i.e. level of confidentiality is five determining grades, and user is defaulted as secret, and source file is defaulted as interior text；And function button is related to difference
The permission of operation combines, and whether this combination can just cope with different user has the not true of operating right to different function button
It is qualitative.Meanwhile user can apply for higher permission, super keepe can carry out authorization or refusal processing to application.
In the management of the client, field extension function is to add extra field for the later period to provide support, space launch
The complexity of field decides that the composition of field in database can change according to actual needs, and the retrieval of client and pipe
Reason operation is all built upon on the basis of field.There are many attribute of field, for unessential attribute in the form of default value
Provide, and for important attribute, such as: field name, type, length, whether be empty, whether be that major key is not filled out with default value
It fills, user is needed to be manually entered.After newer field is added in success, user can be operated on it, and mode is the same with other fields.
Database supports the later period due to business demand and needs extra field to be added by the way of providing field extension interface, connects
Mouthful operated using friendly user session frame interface, especially to type, length, whether be empty, whether be primary key attribute into
It has gone and has highlighted.
A kind of analysis of space launching site security reliability and assessment system, space launching site security reliability database are located at
The analysis of space launching site security reliability and the third layer of assessment system structural block diagram, i.e. database sharing layer be data acquisition and
Risk assessment provides support.
Analysis includes that layer is assessed in Hazard Recognition layer, data collection layer, database sharing layer and analysis with assessment system,
In:
The main purpose of Hazard Recognition layer is: solving the problems, such as that purpose is indefinite, using hierarchical fusion method, specifically
Are as follows: then this big system layer by space launching site first the distribution pattern of product involved by dangerous discernment and is classified,
Finally the variable of acquisition needed for each distribution pattern is summarized and is merged, the variable strong for coupling only use it is one of or
It is several to substitute, finally obtain MDS minimum data set.
Data collection layer determines the system composition of space launching site first, as Fig. 2 space launching site security reliability is analyzed
With shown in the data collection layer in assessment system structural block diagram, then carried out according to the obtained MDS minimum data set of Hazard Recognition layer
Data acquisition, Fig. 3 give data class involved in data collection layer.To acquired data by the way of hierarchical coding
Coded treatment is carried out to complex data type, the data type after coding retrieves data needed for can positioning rapidly in retrieval
Range；
The main purpose of database sharing layer is: to many kinds of, data that total amount is huge from space launching site into
Row design Storage and provide GUI operation interface.Database sharing layer uses C/S model, and server end is using open source relationship type
Database mysql carries out design Storage to the data from data collection layer, and client uses open-source cross-platform GUI developing instrument
Qt, realization database additions and deletions are changed look into, data backup, the function such as user information and rights management, log management and report generation
The software development of energy.Client and server use TCP/IP communication transfer agreement, while accelerating number using sliding window algorithm
According to transmission.
The main purpose of analysis assessment layer is: using the method for such as " mishap tree/major break down tree ", in conjunction with constructed
Related data in database carries out qualitative and quantitative analysis to system, it is (such as uncertain, important to obtain network analysis index
Degree, sensibility), it is assessed according to security reliability of these indexs to system.
Space launching site security reliability database sharing of the present invention is huge by many kinds of, total amount from space launching site
Big data carry out design Storage and provide friendly GUI operation interface, for data acquisition and security reliability analysis and assessment
Support is provided.MDS minimum data set is obtained by hierarchical fusion method, it is more efficient to provide by coding and cross-matched mode
Retrieval mode provides higher safety by way of level of confidentiality and function button, is realized by way of providing interface
High scalability.
Space launching site constructs a complete database support platform not yet at present, seriously constrains security reliability
The development of analysis and evaluation work, what the present invention solved is exactly the Construct question of this database support platform.
The invention has the following beneficial effects:
(1) database sharing layer carries out software design using open-source cross-platform GUI developing instrument Qt in client, both provides
The functions such as data retrieval, management and backup, user information and rights management, log management and report generation, while again can prop up
Hold the use in domestic kylin operating system.
(2) the cross-matched mode that the data retrieval in database sharing layer is combined using accurate matching and fuzzy matching
To improve effectiveness of retrieval and accuracy.It is accurate, unique and short and small that accurate matching is directed to number, type, structural formula etc.
Field, fuzzy matching are directed to the more field of contents such as make a summary, illustrate, both comprehensive matching result selects correlation
Strongest data.
(3) whether the user information in database sharing layer and rights management are enabled using setting level of confidentiality and function button
Mode guarantees safety, and the purpose separately designed is to take into account the certainty of level of confidentiality (being 1-5 to level of confidentiality number) and function button
Uncertainty whether enabled.
(4) database sharing layer supports the later period to need due to business demand by the way of providing field extension interface
The extra field of addition.Interface is operated using friendly user session frame interface, especially to type, length, whether be it is empty,
It whether is that the attributes such as major key are highlighted.
(5) data transmission has been ensured using TCP/IP communications protocol between the client and server end of database sharing layer
Accuracy, while accelerating using sliding window algorithm the transmission of data.
(6) database acquisition layer carries out coded treatment to complex data type by the way of hierarchical coding, by coding
Data type afterwards can the range of the required retrieval data of positioning, retrieval of the elimination to extraneous data reduce money rapidly in retrieval
Source occupancy improves recall precision.
(7) the security reliability parameter in analysis assessment layer can be obtained directly from database sharing layer, database platform
Building support the development of analysis evaluation work, and the working efficiency of analysis personnel is improved, in conjunction with suitable analysis method
It can guarantee the credibility and availability of security reliability assessment result.
Detailed description of the invention
Fig. 1 is database sharing layer structural block diagram；
Fig. 2 is the analysis of space launching site security reliability and assessment system structural block diagram；
Fig. 3 is the data class of data collection layer；
Fig. 4 is analysis assessment layer flow chart；
Fig. 5 is qualitative quantitative analysis general principle flow chart.
Specific embodiment
The present invention will be described with reference to the accompanying drawings and detailed description.
As shown in Fig. 2, the analysis of space launching site security reliability is made of with assessment system structural block diagram four parts, respectively
Are as follows: Hazard Recognition layer, data collection layer, database sharing layer and analysis assessment layer.
Hazard Recognition layer solves the purpose in the multi-source heterogeneous data acquisition of space launching site not using hierarchical fusion method
It defines, acquire the problems such as Data duplication, inefficiency.Hierarchical fusion method refers to: this big system by space launching site first
System is layered, and then the distribution pattern of product involved by dangerous discernment and is classified, then will be adopted needed for each distribution pattern
The variable of collection is summarized, and is merged to the variable summarized, and the variable strong for coupling is only used one of or several
It substitutes, finally obtained MDS minimum data set can not only acquire the data for meeting this level, but also the lower coupling due between
Property effective solution repeated acquisition problem.Simultaneously for the later period data acquire due to this hierarchical fusion and realizing more has
Specific aim, more efficient data acquisition.
Analysis assessment layer flow chart from space launching site as shown in figure 4, choose what needs were studied first in this big system
Then object carries out qualitative analysis to this research object, determines risk source and required data class.Then according to qualitative/fixed
Amount analysis general principle (Fig. 5) judges whether that quantitative analysis need to be carried out, if desired, then obtains from database sharing layer reliable
Property parameter, then to research object carry out quantitative analysis, obtain quantification analysis index helpful (uncertainty, different degree, sensibility).Root
The weak link in design is determined according to the result that analysis obtains, the security reliability of system is assessed.Wherein, common weight
Spending has: structure importance (qualitative analysis), probabilistic compct (quantitative analysis) and critical different degree (quantitative analysis).
As shown in figure 5, passing through the risk source of qualitative analysis identification system first, then judge whether risk source is high risk
Source carries out quantitative analysis if so, judging whether there is corresponding dependability parameter in database again if having, if nothing, feeds back to
Database sharing layer, database can be updated content in library according to the information fed back to；If not high risk source, then judge
Whether expense is sufficient, if expense is insufficient, without quantitative analysis, and if expense is sufficient, then judges whether the time is sufficient, if when
Between it is insufficient, then without quantitative analysis, if whether ample time, then judgment accuracy require high, if it is desired to high, then determined
Amount analysis, if it is desired to which Gao Ze is not without quantitative analysis.This is judged as general principle, can be according to other in specific construction practice
Index carries out supplement judgement, has flexibility.
Data collection layer determines the system composition of space launching site first, as Fig. 2 space launching site security reliability is analyzed
It with shown in the data collection layer in assessment system structural block diagram, specifically includes: rocket system, Space Vehicle System, loading system, confession
Distribution system, for air distribution system, TT&C system, communication system, weather system, non-mark system, command, control, communication and intelligence system, technical channel,
For water fire fighting system, air conditioning warm air system, exhaust gas and sewage disposal system.Then according to the obtained minimum number of Hazard Recognition layer
Carry out data acquisition according to collection, Fig. 3 gives data class involved in data collection layer, it by safety analysis and assessment data,
Safety analysis and assessment models and auxiliary information three parts form.Wherein, safety analysis and assessment data include: probability statistics again
Data (rocket reliability data, launching site reliability data, field test data, Monte Carlo simulation data, external space flight thing
Therefore data), safety evaluation data (facilities and equipment distributed data, each stage personnel distributed data, navigating area density data of population, peace
Full interpretational criteria), harm calculate basic data (dangerous material physico-chemical attributes data, environmental data, all metadata of overall process, accident
Bound data, hazard area criteria for classifying, criteria data)；Safety analysis and assessment models include: Data Analysis Services model
(probability distribution density model, Monte Carlo simulation model, Bayesian model, stress intensity model), the Model for Safety Evaluation (set of data
Computation model, personnel's random perturbation model, survey hair procedural model, Logistics Process model), probability risk computation model (fault tree
Model, event tree-model), density of infection computation model (fire model, bang model, fragment model, fireball model, gas diffusion
Model, scintillation model)；Auxiliary information includes: standard document (standard system, emergency preplan, commander operating process, safety accident
Case) and all kinds of documents (data such as paper books, picture information, audio and video data).
Database sharing layer uses C/S model, as shown in Figure 1.
Server end carries out design Storage to the data from data collection layer using open source relevant database mysql.
Database mysql is configured first, due to needing to carry out transaction operation, so using InnoDb storage engines.Due to needing
The adverse effect of dirty reading and non-repeatable read is eliminated, therefore uses the default security isolation level RR (REPEATABLE of MySQL
READ, repeatable read).Due to that need to support certain concurrent requirements for access, therefore parameter max_connections value is set as
1000.Then the logical relation mutual to more or less a hundred database from space launching site combs, and passes through external key
Form will be joined to one another.It not only can guarantee the reasonability of data storage in this way, but also the excellent of relevant database can be given full play to
Gesture, meanwhile, when needing to increase the data in database, modifying, delete, external key provides more conveniences.For
The efficiency for accelerating data retrieval is arranged certain fields and indexes.
The TCP/IP communication subprogram of server end and the TCP/IP communication subprogram of client are corresponding, realize client
With the interaction of servers' data.It can guarantee the accuracy of data transmission using TCP/IP communication transfer agreement, meanwhile, to accelerate
The efficiency of data transmission, can be used sliding window algorithm to optimize.
Client carries out software development using open-source cross-platform GUI developing instrument Qt, there are two the main reason for Qt:
First is that because it is excellent GUI developing instrument, second is that because cross-platform can support in domestic kylin operating system
It uses.
Client mainly includes retrieval and management two large divisions, this two parts provides menu item and work for each database
Has column, main interface is shown in the form of Shipping Options Page.To provide more accurate retrieval, therefore uses accurate matching and obscure
Match the cross-matched mode combined.It is accurate, unique and short and small that accurate matching is directed to number, type, structural formula etc.
Field, fuzzy matching are directed to the more field of contents such as make a summary, illustrate, both comprehensive matching result selects correlation
Strongest data.Search interface provides search key input frame, search field range check box, by entry time lifting/lowering
Sequence arranges check box, every page of display number of pages combobox, export search result function button, retrieval and search function is pressed in the result
Button.Since data volume is huge, display interface need to use Pagination Display mechanism, provide page number switching and turn function button, user
Number of pages combobox can be shown by every page to select the record number when page need to be shown.The purpose for providing search field range is: using
Family can match inputted keyword in the approximate range that oneself can determine that, can simplify SQL statement in this way, while also reducing
Inquiry and the field and data that compare needed in the database.Purpose by entry time lifting/lowering sequence arrangement check box is provided
It is: when user need to check the data of newest typing in database, newest data can be obtained by choosing this.Export inspection
There are mainly two types of modes for hitch fruit function: first is that will directly be written in text file from the data read in database, second is that logical
It crosses and exports data using SELECT...INTO OUTFILE sentence, TXT, WORD (03/ is mainly used for derived data
07), (03/07) three kind of file format of EXCEL, user can select to export according to their own needs in export data session frame
The file format of data.For the data retrieved, if desired user checks source file, can be close not less than file in itself level of confidentiality
By double-clicking filename come preview source file in the case where grade.Herein in such a way that file part preview+file is integrally downloaded
To take into account bandwidth and preview demand.Only partial data is read from server end when i.e. user double-clicks preview to carry out being transmitted for user
It checks, and when user needs to check complete source file, it can be realized by clicking download button.And it is close for being higher than itself
The source file of grade, user can not carry out preview and downloading.
The management function of client specifically include that newly-increased data, modification data, delete data, import data, backup with it is extensive
Multiple, user information and rights management, log management, report generation, auxiliary software, field extension.
This software provides two kinds of channels to add data into database: first is that directly selecting in batches on resource manager
Middle source file is added directly into database, then carries out that completion is manually entered to incomplete information；Second is that directly on interface
Addition new data is manually entered in the form of dialog box, big data quantity and small data quantity feelings can be taken into account using both modes
Data addition under border, to promote data addition efficiency.User can be in the modification dialog box of pop-up to the number of required modification
Item record handoff functionality button up and down is provided according to being operated, while at modification interface, user is facilitated not exit modification pair
It modifies operation under the premise of words frame to proximity data.User can carry out delete operation to unwanted data, support batch
Delete function.Operation of this software for data, the especially use of shortcut key are similar to the operation of WORD document, can be convenient
The faster upper hand of user uses.Backup Data using navigation cat navicat database management language backed up, can by be arranged come
Realize timed backup, the backup that some timing node may be selected when needing to restore carries out data recovery, has ensured in server
Data under abnormal conditions are not lost.
User information and rights management are designed using essential information+level of confidentiality+permission mode, wherein user password is adopted
It is encrypted with MD5 algorithm.Level of confidentiality includes: that disclosure, interior text, secret, secret and top-secret five grades are adopted to guarantee safety
File protection is carried out with user's level of confidentiality+file level of confidentiality mode, it is interior text that source file, which defaults level of confidentiality, and it is secret that user, which defaults level of confidentiality,
It is close.It just can be carried out previewing file and down operation when user's level of confidentiality is not less than file level of confidentiality, for being lower than file
The user of level of confidentiality can be by filing an application, receiving application, processing application process from user to administrator if wanting to check source file
It files an application, administrator carries out application processing after receiving application, and application status becomes processed from untreated at this time, authorized
User afterwards can carry out preview and the down operation of source file, and uncommitted application, user still can not carry out correlation
Operation.Permission generally refers to import data, newly-increased data, modification data and deletes four function buttons of data, and if only if
When user right is " Y ", corresponding function button is just enabled, and is then in non-enabled shape for the function button that permission is " N "
State, user can only operate the function of having enabled, and cannot operate the function being not enabled on.Mutually divided using level of confidentiality with permission
From design method be because, although there is proportional relationship to a certain extent in level of confidentiality and permission, i.e., hot user institute
The operating right possessed is also more, but and absolute linear relationship is not present, separately design can take into account the certainty of level of confidentiality (to close
Grade number be 1-5) and function button enable whether uncertainty.Meanwhile level of confidentiality and permission application and authorization it is identical,
The efficiency that software uses is not influenced.
Log management essential record time point of login user and the operation note carried out, while in log management circle
Face provides the function of being retrieved by user and time range, and provides the function button for deleting log.Report generation function
It can be the functional interface that needs to carry out report generation to the data retrieved in order to facilitate user and provide.Assist software dish
Individual event provides downloading portal for the user of the certain popular softwares of needs.
In view of the feature that space launching site data class is various, for those currently without it is considered that and being needed in future
Field to be added needs to provide extension of the interface to support later period field for it.Word is provided in new field dialog box
Section name, data type, field length, whether be empty, whether be major key and the input frame and choice box for whether having default value, and
Whether there is or not the attributes such as symbol to be filled with default value for other, such setting be according to user when field is arranged
It is fixed that the frequency of attribute modification is come, only provide high-frequency attribute information input frame can be improved user operating efficiency and
Actual software operation is not influenced.User can operate on it after newer field is added successfully, and mode of operation is the same as other fields.
For the data and field newly increased, server end and client moment keep synchronous regime, cause to avoid data are inconsistent
Adverse effect.New database subsystem module is constructed rapidly in the database support that the present invention constructs on the basis of existing, full
Can scalability demand.
The software of client helps part mainly to provide Operating Guideline using the user of this software, first is that it is soft to introduce this
The composition of part and the function of modules, second is that providing explanatory note and picture signal for the concrete operations of each module.
The exploitation of client software follows six basic principles (the single responsibility principle, open closing of object-oriented development
Principle, Richter scale replacement principle, rely on reverse principle, principle is isolated in Di meter Te rule and interface), while use singleton pattern,
The design of the design patterns such as Iterator Design Pattern and ornamenter's mode progress software configuration.
Above embodiments are provided just for the sake of the description purpose of the present invention, and are not intended to limit the scope of the invention.This
The range of invention is defined by the following claims.It does not depart from spirit and principles of the present invention and the various equivalent replacements made and repairs
Change, should all cover within the scope of the present invention.
Claims (9)
1. a kind of space launching site security reliability database construction method, it is characterised in that: use C/S model, including service
Device and client；
In server end, using open source relevant database mysql to the data of the space launching site from database acquisition layer
Design Storage is carried out, is the foundation of relationship between each data submodule, the method used is recorded with facilities and equipment library and rocket
Centered on library, experimental data base, reliability data library, fault tree database are associated with it, corresponding relationship have it is one-to-one, one
To it is more, three kinds of multi-to-multi；
Based on the design of above-mentioned database purchase, open-source cross-platform GUI developing instrument Qt is used in client, is realized to data
The search function and management function in library, and friendly user interface is provided, menu item and work are provided for each database
Has column, main interface is shown in the form of Shipping Options Page；Management function include: newly-increased data, modification data, delete data,
It imports data, backup and restores data, user information and rights management, log management, report generation, assisting software development, word
Section extension；
The transmission of data between server end and client is carried out using Transmission Control Protocol, meanwhile, it is the efficiency of speeding up data transmission,
It is optimized using sliding window algorithm.
2. space launching site security reliability database construction method according to claim 1, it is characterised in that: the number
Coded treatment is carried out to complex data type by the way of hierarchical coding according to library acquisition layer, the data type after coding can
The range of retrieval data needed for being positioned rapidly in retrieval；Specifically: the data set after coding is a tree construction, is located at
Data set on same layer possesses identical priority, the matching point of retrieval data needed for being determined using breadth First mode
Branch, and then the data exactly matched；It simultaneously will other associated data Auto-matchings relevant to matched data by external key
And obtain, the matching for realizing retrieval data obtains and the Auto-matching of related data obtains function, is ensureing data accurate
With while, associated data is also subjected to matching displaying.
3. space launching site security reliability database construction method according to claim 1, it is characterised in that: described right
The realization of the search function of database: the cross-matched mode combined using accurate matching and fuzzy matching；Accurate matching needle
Pair be number, type, structural formula etc. are accurate, unique and short and small field, fuzzy matching be directed to abstract, description compared with
More fields, both comprehensive matching result select the strongest data of correlation.
4. space launching site security reliability database construction method according to claim 1, it is characterised in that: the number
According to providing search interface in the search function in library, search interface provide search key input frame, search field range check box,
By entry time lifting/lowering sequence arrangement check box, every page of display number combobox, export search result function button, retrieve and
As a result middle search function button；It supports display interface Pagination Display mechanism and page number switching and turn function button, user is provided
Number combobox can be shown by every page to select the record number when page need to be shown；Search field range check box supports that user can
Inputted keyword is matched in the approximate range that can determine that；User is supported to look by entry time lifting/lowering sequence arrangement check box
See the data in newest input database；Export search result function button supports user to carry out export guarantor to the data retrieved
Deposit operation.
5. space launching site security reliability database construction method according to claim 1, it is characterised in that: the visitor
In the management at family end, data are increased newly, i.e., add data into database and provide two kinds of channels: first is that directly in resource manager
Upper batch chooses source file to be added directly into database, then carries out that completion is manually entered to incomplete information；Second is that directly
Addition new data is manually entered in the form of dialog box on interface, big data quantity and small can be taken into account using both modes
Data addition under data volume situation, to promote data addition efficiency.
6. space launching site security reliability database construction method according to claim 1, it is characterised in that: the visitor
In the management at family end, Backup Data is backed up using navigation cat navicat database management language, can be realized by being arranged
Timed backup, the backup that some timing node may be selected when needing to restore carry out data recovery, have ensured in server exception
In the case of data do not lose.
7. space launching site security reliability database construction method according to claim 1, it is characterised in that: the visitor
In the management at family end, user information and rights management guarantee safety in such a way that whether setting level of confidentiality and function button enable
Property.
8. space launching site security reliability database construction method according to claim 1, it is characterised in that: the visitor
In the management at family end, field extension function is to add extra field for the later period to provide support, for unessential attribute to default
The form of value provides, and for important attribute, comprising: field name, type, length, whether be empty, whether be that major key needs to use
Family is manually entered；After newer field is added in success, user can be operated on it, and mode is the same with other fields.
9. a kind of space launching site security reliability analysis and assessment system, it is characterised in that: adopted including Hazard Recognition layer, data
Collect layer, database sharing layer and analysis assessment layer, in which:
Hazard Recognition layer solves the problems, such as that purpose is indefinite, using hierarchical fusion method, specifically: first by space launch
Field system layering, then the distribution pattern of product involved by dangerous discernment and classifies, will finally adopt needed for each distribution pattern
The variable of collection is summarized and is merged, the variable strong for coupling only with it is one of or it is several substitute, finally obtain most
Small data set；
Data collection layer, it is first determined the system of space launching site forms, then according to the obtained minimum number of Hazard Recognition layer
Data acquisition is carried out according to collection, coded treatment is carried out to complex data type by the way of hierarchical coding to acquired data,
The range of retrieval data needed for data type after coding can position rapidly in retrieval；
Database sharing layer, the i.e. database of building described in claim 1, using C/S model, including server and client side；
In server end, the data of the space launching site from data collection layer are deposited using open source relevant database mysql
Storage design；Client uses open-source cross-platform GUI developing instrument Qt, realizes retrieval and management function to database, and provide
Friendly user interface provides menu item and toolbar for each database, main interface use the form of Shipping Options Page into
Row display realizes database retrieval and the management operation of convenient and efficient；Management function includes: newly-increased data, modification data, deletes
Except data, imports data, backup and restore data, user information and rights management, log management, report generation, auxiliary software
Exploitation；The TCP/IP communication subprogram of server end and the TCP/IP communication subprogram of client are corresponding, realize client with
The interaction of servers' data can guarantee the accuracy of data transmission using TCP/IP communication transfer agreement, meanwhile, to accelerate number
According to the efficiency of transmission, sliding window algorithm can be used to optimize；
Analysis assessment layer, using the method for " mishap tree/major break down tree ", in database constructed by the structure layer of combined data library
Related data, the big system of space launching site is analyzed, obtains network analysis index, including uncertain, different degree and
Sensibility is assessed according to security reliability of these network analysis indexs to the big system of space launching site.
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| CN107992551A (en) * | 2017-11-28 | 2018-05-04 | 北京航天试验技术研究所 | A kind of engine historical data management and analysis system and method |
| SG10201803391SA (en) * | 2018-04-23 | 2019-11-28 | Trident Corporate Services Singapore Pte Ltd As Trustee For The Oneplace Unit Trust | Method and system for managing a new record |
| CN109935154B (en) * | 2019-03-12 | 2021-09-14 | 中国原子能科学研究院 | Fire simulation test method for isotope heat source launching field |
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