CN109933026A - The synchronous safe cognitive method for importing virtual DCS of DCS man-machine interface operation - Google Patents
The synchronous safe cognitive method for importing virtual DCS of DCS man-machine interface operation Download PDFInfo
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- CN109933026A CN109933026A CN201910094237.3A CN201910094237A CN109933026A CN 109933026 A CN109933026 A CN 109933026A CN 201910094237 A CN201910094237 A CN 201910094237A CN 109933026 A CN109933026 A CN 109933026A
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Abstract
The present invention provides a kind of DCS man-machine interfaces to operate the synchronous safe cognitive method for importing virtual DCS, the operational order of true DCS man-machine interface and virtual DCS man-machine interface is innovatively synchronized using single operation double pass system, so that the operation of true DCS system man-machine interface can synchronize and imported into virtual DCS operation interface, realize true DCS and virtual DCS accurate perceived effect obtained by the side of operation parallel, subsequent comparative analysis can be carried out to the control logic operation result of true DCS and its virtual DCS of isomery, finally make judgement whether system safety, it sends a warning when system is dangerous or system is switched to manual operation automatically.The present invention can the true DCS network security of real-time perception, and be not involved in and interfere true DCS system, avoid same security breaches while influencing true DCS and virtual DCS, improve safety and reliability conscientiously.
Description
Technical field
The invention belongs to industrial control system technical field of network security, are related to Virtual DCS Technology, and in particular to true
DCS and the virtual DCS man-machine interface of its isomery simultaneously and concurrently operate operation and realize industrial control system network security real-time perception
Method and the platform that can be realized this method.
Background technique
The main Types of industrial control system include DCS (dcs), SCADA (data acquisition and monitoring system
System), PLC (programmable logic controller (PLC)) etc., they have been widely used in each industrial circle, are to promote national economy
Development and the critical system for ensureing society's normal operation.
With information-based and industrialized high-level depth integration, the various innovation and applications such as " internet+" and artificial intelligence
It continues to develop and deeply, it is then the peace that industrial control system is faced that industrial control network is more and more open, and following
Full blast is nearly also being growing.In recent years, industrial control system security breaches frequency is existing, for the attack of industrial control system network
It gradually increases, industrial control system network security totality situation allows of no optimist.
Currently, some mechanisms design and develop such as industry control firewall, industry control exception monitoring system, industry control security audit
A series of products such as management system and industrial control host securing software.Ye You mechanism proposes the Industry Control of virtual DCS simultaneously
System emulation safety implementation method.
Virtual DCS is a kind of system that DCS is reproduced in non-DCS computer, use algorithm identical with DCS,
Module, configuration figure, time step and position number etc. can preferably reproduce the function of true DCS.But existing virtual DCS system and true
Real DCS not can simultaneously operating operation, therefore be not possible to realize real-time security perception and monitoring at present.Therefore, work as industry
When Control System NetWork is attacked, data are tampered, operation operator can not real-time perfoming accurately determine.
Summary of the invention
To solve the above problems, the present invention is transported from industrial control system internal control configuration in conjunction with virtual DCS online
Row technology discloses a kind of by the actual time safety synchronous sensing method of the virtual DCS of true DCS man-machine interface operation importing and flat
Platform judges the security risk that finally can confirm that true DCS and its brought influence by contrast.
In the present invention, virtual DCS and true DCS are mutually independent heterogeneous system, in conjunction with by man-machine interface operation signal
The single operation binary channels synchronizing device being divided into two is synchronized, can safely and effectively realize the real-time security perception of industrial control system
And monitoring.
In order to achieve the above object, the invention provides the following technical scheme:
The synchronous safe cognitive method for importing virtual DCS of DCS man-machine interface operation, includes the following steps:
Step 1, according to the control configuration of true DCS, its virtual DCS system is realized in design, and is realized in heterogeneous platform, is obtained
To the virtual DCS system based on heterogeneous platform；
Step 2, the man-machine interface for analyzing real industrial control system DCS obtains its interface composition and operation logic, accordingly
The operation interface of virtual DCS is realized in design, makes the compatible true DCS man-machine interface operation of the operation interface of virtual DCS；
Step 3, single operation binary channels synchronizing device is designed, using the defeated of single operation binary channels synchronizing device and true DCS
Enter equipment connection；Single operation binary channels synchronizing device includes main control chip and two asynchronous receiving-transmitting control chips, single operation bilateral
Main control chip can save operation data caused by input equipment as operation signal controller in road synchronizing device, and divide
It is not sent to the interface of two asynchronous receiving-transmitting control chips, it is man-machine that asynchronous receiving-transmitting control chip forwards the data to true DCS again
Interface and virtual DCS operation interface realize the single operation binary channels synchronization control function of true DCS and virtual DCS；
Step 4, start true DCS and virtual DCS, real-time monitoring and the control system for analyzing truer DCS and virtual DCS
Whether operation result of uniting is consistent；When monitoring that virtual DCS and operation result of the true DCS control system under same operation are different
When cause, decision-making system is dangerous, alarms, and in emergency circumstances automatically switches manual operation；When monitoring virtual DCS and true
When DCS control system operation result is consistent, decision-making system safety.
Further, it is designed in the step 1 by following procedure and realizes its virtual DCS system:
The control function design drawing and corresponding DCS system configuration figure of acquisition target industrial control system DCS first, and according to
This designs virtual each function algorithm of DCS, and carries out functional result test comparison and adjustment to virtual DCS and true DCS, it is ensured that empty
Quasi- DCS is consistent with the function of true DCS.
Further, the function algorithm is realized in the form of hardware circuit.
Further, in the step 2, when the operation interface of virtual DCS is realized in design, according to the man-machine boundary of true DCS
Face is realized, guarantees that operation unique identification's is complete correct.
Further, the step 4 is monitored by safety monitoring system, further includes matching between step 3 and step 4
It sets safety monitoring system and tests the step of wherein whether module works normally.
The present invention also provides the synchronous and heterogeneous platforms of true DCS industrial control system and its virtual system, comprising: true
DCS system, the man-machine interface connecting with true DCS system, input equipment, virtual DCS system, virtual DCS operation interface are single to grasp
Make binary channels synchronizing device and safety monitoring system, virtual DCS is that the isomery of true DCS is realized, real industrial control system
Respectively with the connection of safety monitoring system, the control result of industrial control system DCS can be timely for DCS and its virtual DCS system
It is input to safety monitoring system, the calculated result of virtual DCS can also be input to safety monitoring system in time, and the single operation is double
Channel synchronizer includes main control chip and two asynchronous receiving-transmitting control chips, and the main control chip is controlled as operation signal
Device can save operation data caused by input equipment, and be separately sent to the interface of two asynchronous receiving-transmitting control chips, different
Step transmitting-receiving control chip forwards the data to true DCS man-machine interface and virtual DCS operation interface again；The safety monitoring system
Whether the control system operation result for real-time monitoring and the truer DCS and virtual DCS of analysis is consistent；It is virtual when monitoring
DCS and when inconsistent operation result of the true DCS control system under identical man-machine interface operation, decision-making system is dangerous, into
Row alarm, in emergency circumstances automatically switches manual operation；When monitoring virtual DCS and true DCS control system operation result one
When cause, decision-making system safety.
Further, single operation binary channels synchronizing device and true DCS man-machine interface are in same operation operating position, and
Pass through connection independent current source power supply.
Further, the quantity of the single operation binary channels synchronizing device is identical as the quantity of the input equipment.
Further, the input equipment includes: keyboard, mouse.
Further, the safety monitoring system includes data analysis module and abnormal alarm module；Data analysis module
For being compared analysis to true DCS and virtual DCS system operation signal and implementing result, if the two implementing result is different
It causes, then sends abnormal data to abnormal alarm module；If the two implementing result is consistent, only the data analyzed are protected
It deposits for auditing；Abnormal alarm module is for issuing different alarms according to different abnormal datas, when necessary certainly by DCS system
It is dynamic to be switched to manual operation.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
1. the present invention is innovatively using single operation binary channels synchronizing device for synchronizing true DCS man-machine interface and virtual
The operational order of DCS man-machine interface, so that the operation of true DCS system man-machine interface can synchronize and imported into virtual DCS operation and connect
Mouthful, uniqueness realizes true DCS and virtual DCS accurate perceived effect obtained by the side of operation parallel, and can
Analysis is compared to the control logic operation result of true DCS and its virtual DCS of isomery, whether finally making system safely
Determine, and sends a warning when system is dangerous or system is switched to manual operation automatically.
2. the present invention can the true DCS network security of real-time perception, and true DCS system is not intervened and interferes, true
Without installing any software package on real DCS, on true DCS Industry Control function and reliability without influence, strong applicability is theoretical
On be applicable to all kinds of brand DCS industrial control systems, it is applied widely, it is easy to spread.
3. the realization of virtual DCS uses the software and hardware system different from true DCS, virtual DCS is that the isomery of true DCS is real
Existing, the two is run parallel, is avoided same security breaches while being influenced true DCS and virtual DCS, improves entire system conscientiously
The safety and reliability of system.
Detailed description of the invention
Fig. 1 is the master-plan process and architecture diagram of the embodiment of the present invention.
Fig. 2 is single operation binary channels synchronizing device hardware design schematic diagram provided by the invention.
Specific embodiment
Technical solution provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
The master-plan process and its heterogeneous platform framework that the method for the present invention is realized are as shown in Figure 1, its overall structure includes
True DCS system, the man-machine interface being connect with true DCS system, the input equipment of the industrial control systems such as keyboard, mouse DCS,
Virtual DCS system, virtual DCS operation interface (receiving and processing equipment of operational order) and safety monitoring system.Virtually DCS is
The isomery of true DCS is realized.Real industrial control system DCS and its virtual DCS system respectively with the connection of safety monitoring system,
The control result of industrial control system DCS can be input to safety monitoring system in time, the calculated result of virtual DCS also can and
When be input to safety monitoring system.In addition, the present invention innovatively use a kind of single operation binary channels synchronizing device respectively with it is defeated
Enter equipment connection, specifically, keyboard and mouse are separately connected a single operation binary channels synchronizing device arrival end, operation signal
It is divided into two by the device, two outlet ends of the device are respectively connected to the human-computer interface computer of industrial control system DCS
And its virtual DCS system operation interface, to realize two systems (true DCS system and virtual DCS system) simultaneously and concurrently
Operation.It should be noted that keyboard and mouse are examples relatively common in input equipment, as needed, can also replace or
Increase other easily operated input equipments.
As shown in Fig. 2, single operation binary channels synchronizing device includes that selection main control chip and two asynchronous receiving-transmittings control chip,
Chip programming is controlled to main control chip and asynchronous receiving-transmitting respectively, realizes that main control chip as operation signal controller, can save it
Operation data caused by upstream device, and it is separately sent to the interface of two asynchronous receiving-transmitting control chips, asynchronous receiving-transmitting control
Chip forwards the data to its up-stream system (true DCS man-machine interface/virtual DCS operation interface) again, is achieved in downstream and sets
Standby single operation binary channels synchronization control function.
It will be apparent that the present invention can be realized by the mode of software and/or hardware.Based on this understanding, of the invention
Technical solution can embody the contribution part that the prior art is made in the form of software and/or hardware product.
DCS man-machine interface operation provided by the invention synchronizes the safe cognitive method for importing virtual DCS, including walks as follows
It is rapid:
Step 1: its virtual DCS system is realized in design, and is realized in heterogeneous platform according to the control configuration of true DCS,
Obtain the virtual DCS system based on heterogeneous platform.
Specifically, control function design drawing and the corresponding DCS system configuration of acquisition target industrial control system DCS first
Figure, and each function algorithm of virtual DCS is designed accordingly, and functional result test comparison and tune are carried out to virtual DCS and true DCS
It is whole, it is ensured that virtual DCS is consistent with the function of true DCS, realizes in heterogeneous platform.Due to the control parameter and algorithm of virtual DCS
From the configuration file of true DCS engineer station downloading or the control design case figure of true DCS, therefore it is fully able to reproduce true
Real DCS, in addition, further to promote the safety of virtual DCS, all control algolithm blocks are realized in the form of isomery.
Step 2: the man-machine interface of analysis real industrial control system DCS, obtains its interface composition and operation logic, according to
The operation interface of virtual DCS is realized in this design, makes the compatible true DCS man-machine interface operation of the operation interface of virtual DCS.It is designing
It when realizing the man-machine interface of virtual DCS, should be realized according to the man-machine interface of true DCS, especially operate unique identification's
It is complete correct, including some necessary requirements such as Interface design, operation logic and hardware configuration (such as display screen size),
Virtual DCS should be consistent with true DCS, to achieve the purpose that synchronously control.
Step 3: design single operation binary channels synchronizing device, is connected using single operation binary channels synchronizing device and input equipment
It connects, the quantity of single operation binary channels synchronizing device is identical as the quantity of input equipment.Single operation binary channels synchronizing device includes master
It controls chip and two asynchronous receiving-transmittings controls chip, main control chip is controlled as operation signal in single operation binary channels synchronizing device
Device can save operation data caused by equipment (input equipment) downstream, and be separately sent to two asynchronous receiving-transmitting control cores
The interface of piece, asynchronous receiving-transmitting control chip forward the data to its up-stream system again, i.e., true DCS man-machine interface and virtual DCS
Operation interface is achieved in the single operation binary channels synchronization control function of upstream device.
Single operation binary channels synchronizing device and true DCS man-machine interface are in same operation operating position, only by connecting
Vertical power supply power supply, can not only obtain timely operational feedback, but also while lifting system safety not in man-machine interface
Increase the operating burden of operator.The device is responsible for acquiring operation signal, and operation signal is divided into two parts, is respectively sent to true
Real DCS man-machine interface and virtual DCS operation interface.The device is " transparent " for up-stream system, and up-stream system is only capable of
The device downstream connected equipment is perceived, does not influence identification of the up-stream system to upstream device, keeps true DCS synchronous with virtual DCS
Independent operating.
Step 4: whether configuration safety monitoring system, test data analysis module work normally with abnormal alarm module.Number
According to analysis module for being compared analysis to true DCS and virtual DCS system operation signal and implementing result, if the two executes
As a result inconsistent, then send abnormal data to abnormal alarm module；If the two implementing result is consistent, the number that will only be analyzed
According to being saved for auditing.Abnormal alarm module when necessary may be used for issuing different alarms according to different abnormal datas
DCS system is automatically switched into manual operation.Safety monitoring system and modular structure therein are preferred implementation, according to need
It wants, also can change module architectures, need to only realize identical function.In addition, this step is preferred steps, safety monitoring is configured
System and test module whether normal operating conditions can further improve method provided by the invention and platform safety, can
By property.
Step 5: activation system (including true DCS and virtual DCS), safety monitoring system analyzes truer DCS in real time
With the control system operation result of virtual DCS.When safety monitoring system monitors virtual DCS with true DCS control system in phase
When operation result under biconditional operation is inconsistent, decision-making system is dangerous, and notice abnormal alarm module is alarmed, in emergency circumstances
Automatically switch manual operation；When safety monitoring system monitors that virtual DCS is consistent with true DCS control system operation result,
Decision-making system safety.
Based on correlative study inside industrial control system as a result, platform provided by the invention, method, exist in conjunction with virtual DCS
Line running technology and single operation binary channels synchronizing device are effectively used for the actual time safety perception of industrial control system, significantly
Raising industrial control system safety.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
- The synchronous safe cognitive method for importing virtual DCS of 1.DCS man-machine interface operation, which comprises the steps of:Step 1, according to the control configuration of true DCS, its virtual DCS system is realized in design, and is realized in heterogeneous platform, obtains base In the virtual DCS system of heterogeneous platform；Step 2, the man-machine interface for analyzing real industrial control system DCS obtains its interface composition and operation logic, designs accordingly The operation interface for realizing virtual DCS makes the compatible true DCS man-machine interface operation of the operation interface of virtual DCS；Step 3, single operation binary channels synchronizing device is designed, is set using single operation binary channels synchronizing device and the input of true DCS Standby connection；Single operation binary channels synchronizing device includes main control chip and two asynchronous receiving-transmitting control chips, and single operation binary channels is same Main control chip can save operation data caused by input equipment as operation signal controller in step device, and send out respectively It is sent to the interface of two asynchronous receiving-transmitting control chips, asynchronous receiving-transmitting control chip forwards the data to true DCS man-machine interface again And virtual DCS operation interface, realize the single operation binary channels synchronization control function of true DCS and virtual DCS man-machine interface；Step 4, start true DCS and virtual DCS, real-time monitoring and the control system fortune for analyzing truer DCS and virtual DCS Whether row result is consistent；When monitoring that virtual DCS and operation result of the true DCS control system under same operation are inconsistent When, decision-making system is dangerous, alarms, and in emergency circumstances automatically switches manual operation；When monitoring virtual DCS and true When DCS control system operation result is consistent, decision-making system safety.
- 2. DCS man-machine interface operation according to claim 1 synchronizes the safe cognitive method for importing virtual DCS, feature It is, is designed in the step 1 by following procedure and realize its virtual DCS system:The control function design drawing and corresponding DCS system configuration figure of target industrial control system DCS are obtained first, and are set accordingly Each function algorithm of virtual DCS is counted, and functional result test comparison and adjustment are carried out to virtual DCS and true DCS, it is ensured that is virtual DCS is consistent with the function of true DCS.
- 3. DCS man-machine interface operation according to claim 2 synchronizes the safe cognitive method for importing virtual DCS, feature It is, the function algorithm is realized in the form of isomery.
- 4. DCS man-machine interface operation according to claim 1 synchronizes the safe cognitive method method for importing virtual DCS, special Sign is, in the step 2, when the operation interface of virtual DCS is realized in design, realizes, protects according to the man-machine interface of true DCS Card operation unique identification's is complete correct.
- 5. DCS man-machine interface operation according to claim 1 synchronizes the safe cognitive method method for importing virtual DCS, special Sign is that the step 4 is monitored by safety monitoring system, further includes configuration safety monitoring between step 3 and step 4 System and test the step of wherein whether module works normally.
- 6. the synchronous and heterogeneous platform of true DCS industrial control system and its virtual system characterized by comprising true DCS system System, the man-machine interface connecting with true DCS system, input equipment, virtual DCS system, virtual DCS operation interface, single operation are double Channel synchronizer and safety monitoring system, virtual DCS be true DCS isomery realize, real industrial control system DCS and Respectively with the connection of safety monitoring system, the control result of industrial control system DCS can be input to its virtual DCS system in time Safety monitoring system, the calculated result of virtual DCS can also be input to safety monitoring system in time, and the single operation binary channels is same Step device includes main control chip and two asynchronous receiving-transmitting control chips, and the main control chip, can as operation signal controller Operation data caused by input equipment is saved, and is separately sent to the interface of two asynchronous receiving-transmitting control chips, asynchronous receiving-transmitting Control chip forwards the data to true DCS man-machine interface and virtual DCS operation interface again；The safety monitoring system is for real When monitor and analyze truer DCS and virtual DCS control system operation result it is whether consistent；When monitor virtual DCS with When really operation result of the DCS control system under same operation is inconsistent, decision-making system is dangerous, alarms, urgent feelings Automatically switch manual operation under condition；When monitoring that virtual DCS is consistent with true DCS control system operation result, decision-making system Safety.
- 7. the synchronous and heterogeneous platform of true DCS industrial control system and its virtual system according to claim 6, feature It is, single operation binary channels synchronizing device and true DCS man-machine interface are in same operation operating position, and independent by connection Power supply power supply.
- 8. the synchronous and heterogeneous platform of true DCS industrial control system and its virtual system according to claim 6, feature It is, the quantity of the single operation binary channels synchronizing device is identical as the quantity of the input equipment.
- 9. the synchronous and heterogeneous platform of true DCS industrial control system and its virtual system according to claim 6, feature It is, the input equipment includes: keyboard, mouse.
- 10. the synchronous and heterogeneous platform of true DCS industrial control system and its virtual system according to claim 6, special Sign is that the safety monitoring system includes data analysis module and abnormal alarm module；Data analysis module is used for true DCS and virtual DCS system operation signal and implementing result are compared analysis, will be abnormal if the two implementing result is inconsistent Data transmission gives abnormal alarm module；If the two implementing result is consistent, the data analyzed only are subjected to preservation and are used to audit； DCS system is automatically switched to hand when necessary for issuing different alarms according to different abnormal datas by abnormal alarm module Dynamic operation.
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Application publication date: 20190625 |