CN105956118B - A method of realizing real time information quality stamp distribution global data base - Google Patents
A method of realizing real time information quality stamp distribution global data base Download PDFInfo
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Abstract
The present invention relates to the methods of distribution global data base, a kind of method for realizing real time information quality stamp distribution global data base is disclosed, based on DCS system, using the autonomous structure type of multi-layer classification, cooperation, realize centralized management and decentralised control, in a distributed manner based on engineering object primary database, using multi-process and multi-thread design mode, bridge by real time high-speed Industrial Ethernet as information communication between active station primary database and control station makes the physical dispersion between each control station and engineering；Using hierarchical storage pond administrative mechanism, under the premise of guaranteeing process industry magnanimity real time data requirement of real-time, the quality condition of mark data real value is stabbed by quality.Use the present invention that can increase memory node dynamically to realize the linear expansion of memory capacity；Distributed data base must timely respond to the read/write requests of large-scale consumer；It can be realized the redundancy backup to data, guarantee data reliability.
Description
Technical field
The present invention relates to the method for distribution global data base more particularly to a kind of stamp distribution of realization real time information quality are global
The method of database.
Background technique
DCS focuses on controlling all the time, it is using " dispersion " as keyword.But modern development is more focused on complete set
System information comprehensive management, " synthesis " will become its keyword, Xiang Shixian control system, operation architecture, the system of planning, pipe again from now on
Body scheduling, management are managed, so that top strategic decision, forming one has the comprehensive of flexible, supermatic piping
Automation direction development is closed, implements to rise to production control integral system from the real-time control of the bottom, optimal control.With work
The rapid development of industry automation, industrial process prompting message amount is increasingly huge, real-time property is multifarious, data storage mechanism
It is different, quality of data situation is fast changing, to the scale of primary database, operational efficiency, memory mechanism, the quality of data distinguish etc. mention
Harsh requirement is gone out, the mistake of any link all will affect the safety of entire control system.For modern industrial enterprises, such as
What can make policymaker check production process data at any time, be company information rapidly to make more flexible business decision
Change the key of construction, in enterprise MES every resource of interest, production process information is still important resource, if not
It can solve the problem of production process information effectively uploads in real time, will still be unable to fully utilize and ensure MES and ERP management system
Investment.In industrial automation industry, largely using master data bank system carry out control system monitoring, system Dynamic matrix control and
Optimal control, and production management for enterprise and scheduling, data analysis, decision support and remote online browsing provide real time data
Service and a variety of data management functions.The basic data that primary database has become industrial automation industry and enterprise informationization is flat
Platform can be acquired directly in real time, obtain various data during enterprise operation, is translated into effectively public to all kinds of business
Information, while scene is directly controlled by the real-time operation to database, meet industrial production management, process monitoring, manage pipe
Reason, data monitoring and between directly controlling to real time information integrality, consistency, safely shared demand, can be automatic for industry
The bridge of information communication is set up between networked control systems and management information system.Each departments that are in charge of manging enterprises of enterprise are helped to utilize this
A little crucial real time information, improve the operation efficiency of production and sales.One key property of primary database is exactly real-time, including
Real-time property and affairs real-time.Real-time property is the update cycle of live I/O data, as primary database, must be examined
Consider real-time property.The real-time of general data is mainly restricted by field device, especially for some than older system
For, situation is even more in this way.Affairs real-time refers to database to the speed of its issued transaction.It can be event triggered fashion
Or clocked flip mode.Event triggering is the event once occurring immediately obtained to dispatch, and this kind of event is available immediately
Processing, but compare consumption system resource；And clocked flip is that scheduling power is obtained within the scope of certain time.It is complete as one
Primary database, for the stability and real-time of system, it is necessary at the same provide two kinds of scheduling modes.For industrial automation
For system, the data of slave computer are mainly derived from DCS control system, and database becomes the bridge for linking up slave computer and active station
Beam.With the continuous development of industrial automation, Distributed Control System is widely used in various occasions, including thermoelectricity, chemical industry, system
Medicine, oil refining, steel, the energy, environmental protection etc..For automation industry data number of test points is more, amount of storage is big, timeliness is strong etc. spies
Point, this just certainly will all bring various challenges to the performance requirement of primary database various aspects.
Summary of the invention
The present invention is restricted serious disadvantage by field device for real-time property in the prior art, and it is real to provide a kind of realization
When information quality stamp distribution global data base method.
A method of realize real time information quality stamp distribution global data base, be based on DCS system, using multi-layer classification,
Cooperate autonomous structure type, realize centralized management and decentralised control, in a distributed manner based on engineering object primary database, uses
Multi-process and multi-thread design mode, include the following steps:
(1) bridge of information communication between primary database and control station is realized as active station by real-time industrial ethernet
Beam makes the physical dispersion between each control station and engineering；
(2) process control station set to plant information layer stores the data of multiple physical dispersions in a communication manner
Unit, which connects, forms distributed data base unified in logic, manipulates the son on these nodes for providing access means
Database；
(3) hierarchical storage pond administrative mechanism is used, the quality condition of mark data real value is stabbed by quality；
(4) quality stamp is packaged with real value is stored in historical data base, and quality stamp graphically indicates respective institute
The meaning of representative, icon are shown in the module of restriction；
(5) when data acquire, the initial data of encapsulation of data current value and quality of data stamp breaks to input signal
Even, disconnected resistance, broken string and signal detection；
(6) signal back production, deviation comparative approach are used when controlling data output, forms real time data quality and stabs situation.
Preferably, stabbing mark data real value by quality in step (3) is counted in real time in guarantee process industry magnanimity
It is carried out under the premise of according to requirement of real-time.
Preferably, step (5) believes the quality stamp display in input/output procedure by control system into step (6)
Breath, information include channel position, working condition and abnormal jump.
Preferably, channel position is respectively, channel is offline, signal is inconsistent, using deviation, fault diagnosis, and blue is positive
Often display, red representation signal is inconsistent, and green represents network failure, diagnoses for channel；Working condition have normal, broken string,
Disconnected even, disconnected resistance, upper spilling, lower spilling, working condition are detected to obtain by actual hardware；Abnormal jump is digital quantity path setting,
It is divided into no setting, Low value anomaly, high-value sector, variation abnormality, abnormal jump numerical value can be set about analog quantity, module is corresponding
Value top/bottom latitude exceed abnormal hop value after there is abnormal jump quality stamp.
Preferably, primary database defines the variable information of each website in step (1), component devices including each station and
Attribute, data acquisition and the conversion, alarm, historical record and safety zone attribute of each point allow the unified interface of system data and complete
Office is consistent.
Preferably, step (5) further includes primary database editing machine into step (6), including internet off-line shows quality
Stamp and warning message quality stamp, to choosing record point that can carry out the editor of warning message, when record point real value relative to
When setting value generates alarm, by checking that watch window sees that the network, version information and corresponding quality of engineering stab meaning.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals: the present invention proposes a kind of reality
The method of information quality stamp distribution global data base when real, meets the real time information to mass data and handles.Collecting and distributing control system
System is scattered control system, the fundamental design idea concentrated using control dispersion, the good management of operation, using multi-layer classification, cooperation
Autonomous structure type, using centralized management and decentralised control as main feature.Distributed data base system is suitable for unit dispersion
Department, allow each department that its common data is stored in local, implement that storage on the spot is local to be used, to improve response
Speed reduces communication cost.Distributed data base system has scalability compared with centralized data base system, passes through increase
Data redundancy appropriate improves the reliability of system.Distributed data base has flexible architecture；Adapt to distributed pipe
Reason and control mechanism；Economic performance is superior；High reliablity, the availability of system are good；The fast response time of topical application；It is expansible
Property is good, is easily integrated existing system.
Detailed description of the invention
Fig. 1 is block schematic illustration of the invention.
Fig. 2 is that quality stabs block schematic illustration in Fig. 1.
Specific embodiment
Present invention is further described in detail with embodiment with reference to the accompanying drawing.
A method of realize real time information quality stamp distribution global data base, be based on DCS system, using multi-layer classification,
Cooperate autonomous structure type, realize centralized management and decentralised control, in a distributed manner based on engineering object primary database, uses
Multi-process and multi-thread design mode, include the following steps:
(1) information communication between primary database and control station is realized as active station by real time high-speed Industrial Ethernet
Bridge makes the physical dispersion between each control station and engineering；
(2) process control station set to plant information layer stores the data of multiple physical dispersions in a communication manner
Unit, which connects, forms distributed data base unified in logic, manipulates the son on these nodes for providing access means
Database；
(3) hierarchical storage pond administrative mechanism is used, is guaranteeing that process industry magnanimity real time data (200,000 scales) is real
Under the premise of when property (1ms~1s) requires, the quality condition of mark data real value is stabbed by quality；
(4) quality stamp is packaged with real value is stored in historical data base, and quality stamp graphically indicates respective institute
The meaning of representative, icon are shown in the module of restriction；
(5) when data acquire, the initial data of encapsulation of data current value and quality of data stamp breaks to input signal
Even, disconnected resistance, broken string and signal detection；
The methods of (6) compared when controlling data output using signal back production, deviation, it forms real time data quality and stabs shape
Condition.
Step (5) is into step (6) by control system to the quality stamp display information in input/output procedure, packet
Include channel position, working condition and abnormal jump.
Channel position is respectively that channel is offline, signal is inconsistent, using deviation, fault diagnosis, and blue is normal display, red
Color representation signal is inconsistent, and green represents network failure, diagnoses for channel；Working condition have normal, broken string, disconnected even, disconnected resistance,
Upper spilling, lower spilling etc., working condition is detected to obtain by actual hardware；Abnormal jump is digital quantity path setting, is divided into nothing and sets
Four kinds of modes such as fixed, Low value anomaly, high-value sector, variation abnormality can set abnormal jump numerical value, module pair about analog quantity
There is abnormal jump quality stamp after exceeding abnormal hop value in the value top/bottom latitude answered.
Primary database defines the variable information of each website, component devices and attribute including each station, each point in step (1)
Data acquisition and conversion, alarm, historical record and safety zone attribute, allow the unified interface of system data with it is globally consistent.
Step (5) further includes primary database editing machine into step (6), including internet off-line shows quality stamp and alarm signal
Quality stamp is ceased, to the editor for choosing record point that can carry out warning message, when the real value of record point is generated relative to setting value
When alarm, by checking that watch window sees that the network, version information and corresponding quality of engineering stab meaning.
Have enhanced scalability using the method that real time information quality stabs distribution global data base: distributed data base is necessary
With enhanced scalability, memory node can be increased dynamically to realize the linear expansion of memory capacity；High concurrent: distributed
Database must timely respond to the read/write requests of large-scale consumer, can carry out random read/write to mass data；High availability: point
Cloth database must provide fault tolerant mechanism, can be realized the redundancy backup to data, guarantee the highly reliable of data and service
Property.
Distribution primary database proposed by the present invention is guaranteeing that process industry magnanimity real time data (200000 scales) is real
Under the premise of when property (1ms~1s) requires, quality stamp concept, the quality condition of mark data are proposed.It is existing for Industry Control
The features such as field signal is changeable, and interference source is more carries out validity, doomed dead, out-of-limit, jump, abnormal state etc. effectively to monitoring data
Processing is even more important.Be to improve control system to the fault-detecting ability of on-site signal, I/O module channel realize the isolation of point point,
Point point is mutually every the malfunctions such as being provided simultaneously with the disconnected resistance of real-time detection, disconnected even, broken string, overflow up and down.Newly-increased I/O digital quantity module
Channel value jump setting function extremely is further improved the fault-detecting ability in the channel I/O, is met in conjunction with record point mass stamp
Stop in emergency contour reliable and secure domain requirement.
In conjunction with the application field for automatically controlling industry Distributed Control System, primary database proposed by the present invention has both following several
A basic characteristics:
Measuring point quantity is more: Distributed Control System is widely used in the super-sized enterprises such as petrochemical industry, chemical industry, steel, needs to handle
Measuring point number be more than 10000 points, the period of change of these measuring points is usually within 1 second, that is to say, that needs will be more than
10000 points of data are saved in database within 1 second.
Amount of storage is big: since data year in year out will occupy a large amount of hard drive space, primary database is realized to a large amount of
Real time information carry out perfect processing.Such as 10,000 points of system, storage in every 1 second is primary, and each single-point occupies 8 words
Section, then 10000*8*10*365*86400=25228800000000 byte will be had by saving 10 years data volumes, that is,
23TGB.If needing to store 293 pieces of hard disks with the hard disk storing of 80GB.
Timeliness is strong: the value and time correlation of each measuring point to be treated, the data after one second with one second
Data before may be just different, therefore, while saving measuring point value, it is necessary to when by some way that its is corresponding
Between also record get up.
The present invention is devised and is stabbed with quality for the feature that Distributed Control System measuring point is more, capacity is big and timeliness is strong
Distributed primary database, realize the real-time communication and monitoring control between active station and dcs controller.
The present invention uses hierarchical storage pond administrative mechanism, is guaranteeing process industry magnanimity real time data (200,000 points of rule
Mould) real-time (1ms~1s) require under the premise of, pass through quality stab mark data real value quality condition.Real time data matter
Amount stamp cover channel failure, sampling deviation, range transfinite, the quality informations such as network state, not only comprising indicate itself authenticity,
The absolute mass of completeness etc., and include that use and storage are indicated in the process using quality, storage quality and transmission quality etc.
Procedure quality, ensure that the reliability and availability of data, improve the safety of data referencing.Quality stamp follows closely in real time
Value, there is high timeliness (500ms).Quality stamp is packaged with real value is stored in historical data base, convenient for field data
Analysis.Quality stamp can graphically indicate respective representative meaning, but these icons can only be shown in restriction
In module.When user needs to check that quality stabs information, but enters these modules without permission again, user can be on man-machine boundary
Diagnostic message is checked by reference quality stamp in face.In practical applications, if user needs to check the alarm shape of record point
State, then can in man-machine interface reference record point alarm state information, user can be to judge the record point with this
No generation alarm.
It supports to count with 200000 scales of historical data, support tendency chart in real time using the database of the method for the present invention
Table, components of data analysis etc.；Using multi-process and multi-thread design mode, database, device drives, network communication, man-machine boundary
The program process independent operating such as face, and can any combination operate on same or different machine, such as important control is transported
Function is calculated to be put on safer machine, it can reasonable dispensation machines load；Real time data, historical data, process alarm,
Action event etc. can be shared as the shared resource of whole system；Support equipment packages library abundant and succinct Graphic thinking function
Energy；It supports local online configuration, online lower dress, in-service monitoring, the on-line monitoring of remote system is realized by ICP/IP protocol, is examined
Disconnected and operation；Support multiple fieldbus and the Industrial Ethernet networks such as RS485, CAN, Ethernet, Modbus, Modbus/TCP
Form of communication or equipment interface so that system have stronger opening.Realize that the networks such as Modbus, Profibus DP drive
Dynamic model block is realized using transparent network administrative skill and is set with third party by the OPC client and server interface of open specification
Standby data communication constructs ARCHITECTURE OF DISTRIBUTED ENGINEERING DBMS object overall situation primary database, realizes the overall situation of system data and external device data
Unanimously and unified interface, meet the more real-times of industrial data, multi-semantic meaning, multi-space, multiple dimensioned property information integration with connect
Mouth is open to be required；The information of multiplicity is supported to import and export, completion of works figure, channel table, real time data table, Realtime Alerts table, report
Table etc. can be imported and exported indiscriminately ad. as one wishes with Excel form.
The present invention is devised and is stabbed with quality for the feature that Distributed Control System measuring point is more, capacity is big and timeliness is strong
Distributed primary database, realize the real-time communication and monitoring control between active station and dcs controller.Distribution
Formula primary database, which refers to, connects composition one for the multiple data storage cells physically dispersed using information autobahn
A unified database in logic.The accessible number for being distributed in diverse geographic location of connection that one application program passes through network
According to library.The data of its distributivity performance in the database are not stored in Same Site.More precisely, it is not stored in same
In the storage equipment of computer.From the point of view of user, a distributed data base system is logically and centralized data base
System is the same, and user can execute global application in any one place.It just look like that those data are stored in same calculating
On machine, there is individual data base management system (DBMS) management the same, there is no what to feel different by user.Basic thought be by
It is bigger to obtain in data dispersion storage to multiple data memory nodes by network connection in original centralized database
Memory capacity and higher concurrent amount of access.
Primary database software module of the invention uses hierarchical storage pond administrative mechanism, with global unified ARCHITECTURE OF DISTRIBUTED ENGINEERING DBMS
Based on object primary database, using multi-process and multi-thread design mode, database, device drives, network communication, man-machine boundary
The program process independent operating such as face, and can any combination operate on same or different machine, such as important control is transported
Function is calculated to be put on safer machine, it can be with reasonable distribution machine burden.The quality of real time data quality stamp mark data
Situation, in conjunction with hardware redundancy state, cover channel failure, sampling deviation, range transfinite, the information such as network state, guarantee real-time
The reliabilty and availability of data improves the safety of data referencing；The historical record of quality stamp and real value is supported simultaneously
It is analyzed with recollecting.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (6)
1. a kind of method for realizing real time information quality stamp distribution global data base, is based on DCS system, using multi-layer classification, closes
Make autonomous structure type, centralized management and decentralised control is realized, in a distributed manner based on engineering object primary database, using more
Process and multi-thread design mode, which comprises the steps of:
(1) by bridge of the real-time industrial ethernet as information communication between active station primary database and control station, make each
Physical dispersion between control station and engineering；
(2) in a communication manner process control station set to plant information layer, the data storage cell of multiple physical dispersions
It connects and forms distributed data base unified in logic, manipulate the subdata on these nodes for providing access means
Library；
(3) hierarchical storage pond administrative mechanism is used, the quality condition of mark data real value is stabbed by quality；
(4) quality stamp is packaged with real value is stored in historical data base, and quality stamp graphically indicates respectively representative
Meaning, icon is shown in the module of restriction；
(5) when data acquire, the initial data of encapsulation of data current value and quality of data stamp, to input signal carry out it is disconnected even,
Disconnected resistance, broken string and signal detection；
(6) signal back production, deviation comparative approach are used when controlling data output, forms real time data quality and stabs situation.
2. a kind of method for realizing real time information quality stamp distribution global data base according to claim 1, feature exist
In: stabbing mark data real value by quality in step (3) is to guarantee process industry magnanimity real time data requirement of real-time
Under the premise of carry out.
3. a kind of method for realizing real time information quality stamp distribution global data base according to claim 1, feature exist
In: step (5) shows that information, information include logical to the quality stamp in input/output procedure by control system into step (6)
Road serial number, working condition and abnormal jump；Channel position is respectively that channel is offline, signal is inconsistent, is examined using deviation, failure
It is disconnected.
4. a kind of method for realizing real time information quality stamp distribution global data base according to claim 3, feature exist
In: blue is normal display, and red representation signal is inconsistent, and green represents network failure, is diagnosed for channel；Working condition packet
Include normal, broken string, disconnected even, disconnected resistance, it is upper overflow, lower spilling, working condition detects to obtain by actual hardware；Abnormal jump is number
Path setting is measured, is divided into no setting, Low value anomaly, high-value sector, variation abnormality, abnormal number of transitions can be set about analog quantity
There is abnormal jump quality stamp after exceeding abnormal hop value in value, the corresponding value top/bottom latitude of module.
5. a kind of method for realizing real time information quality stamp distribution global data base according to claim 1, feature exist
In: primary database defines the variable information of each website in step (1), component devices and attribute including each station, the number of each point
According to acquisition and conversion, alarm, historical record and safety zone attribute, allow the unified interface of system data with it is globally consistent.
6. a kind of method for realizing real time information quality stamp distribution global data base according to claim 1, feature exist
In: step (5) further includes primary database editing machine into step (6), including internet off-line shows quality stamp and warning message matter
Amount stamp, to the editor for choosing record point that can carry out warning message, when the real value of record point generates alarm relative to setting value
When, by checking that watch window sees that the network, version information and corresponding quality of engineering stab meaning.
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| CN111131477B (en) * | 2019-12-28 | 2022-01-11 | 杭州和利时自动化有限公司 | Data processing method, device and equipment |
| CN114416714B (en) * | 2022-01-18 | 2022-09-02 | 军事科学院系统工程研究院后勤科学与技术研究所 | Data management system |
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| CN104636352A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | SCADA system historical data complement and query processing method based on quality stamp |
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| CN101964081A (en) * | 2010-09-13 | 2011-02-02 | 中国恩菲工程技术有限公司 | Production information system based on factory management infrastructure platform |
| CN104636352A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | SCADA system historical data complement and query processing method based on quality stamp |
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