CN111142484A - Industrial control system and control method - Google Patents
Industrial control system and control method Download PDFInfo
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- CN111142484A CN111142484A CN201911348695.1A CN201911348695A CN111142484A CN 111142484 A CN111142484 A CN 111142484A CN 201911348695 A CN201911348695 A CN 201911348695A CN 111142484 A CN111142484 A CN 111142484A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31088—Network communication between supervisor and cell, machine group
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an industrial control system and a control method, which comprises a control room and a plurality of industrial workshops, wherein a main control console is arranged in the control room, a command module, a first warning module, a first call talkback module, a main controller module, a video display module and a working state display module are arranged on the main control console, a dynamic data encryption module is connected to the main control console, a network module and a secondary network module are connected to one side of the dynamic data encryption module, the secondary network module is connected with the dynamic data encryption module through a network link control switch module, and the network module and the secondary network module are respectively connected with a data packet analysis frequency recording module. The control of external related personnel to the industrial control system can be effectively prevented, the economic loss of a factory is effectively reduced, whether a feedback command can be timely replaced or not is judged, the loss can be timely stopped, the feedback command is difficult to crack and timely is added, multiple protection measures are taken, and the accuracy of the control command is protected.
Description
Technical Field
The invention relates to the field of industrial control, in particular to an industrial control system and a control method.
Background
Because the field devices of the industrial Ethernet control system are connected by using Ethernet and are connected to an external network through the industrial Ethernet, a user can conveniently access the field devices through the industrial Ethernet. But also facilitates illegal users to use mature Ethernet technology to carry out malicious destruction, thus causing the field devices and the industrial Ethernet control system to face serious security risks and threats.
If the control system is invaded by the outside, the economic loss of a factory can be caused greatly, so that an industrial control system capable of stopping the loss in time is needed.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention provides an industrial control system and a control method for solving the above-mentioned problems of the related art.
The technical scheme of the invention is realized as follows:
according to one aspect of the invention, an industrial control system is provided, which comprises a control room and a plurality of industrial workshops, wherein a main control console is arranged in the control room, a command module, a first warning module, a first call intercommunication module, a main controller module, a video display module and a working state display module are arranged on the main control console, a dynamic data encryption module is connected to the main control console, a network module and a secondary network module are connected to one side of the dynamic data encryption module, wherein the secondary network module is connected to the dynamic data encryption module through a network link control switch module, the network module and the secondary network module are respectively connected to a data packet analysis times recording module, the data packet analysis times recording module is connected to a data packet decoding module, the data packet decoding module is connected to the secondary controller modules in the industrial workshops, the secondary controller module is connected with the industrial mechanical module, the industrial mechanical module is connected with the working state detection module, and the secondary controller module is respectively connected with the video acquisition module, the second calling talkback module and the second warning module.
In a further embodiment, the first warning module and the second warning module each comprise one or more combinations of a warning lamp and a warning buzzer.
In a further embodiment, the network module and the secondary network module are respectively connected with a network signal on-off detection module.
In a further embodiment, the operation status display module displays one of operation, pause, failure and maintenance.
In a further embodiment, the dynamic data encryption module includes a dynamic data encryption method generation module, a dynamic data encryption method sending module, a dynamic data encryption packaging module and an encrypted data sending module.
In a further embodiment, the data packet decoding module includes a dynamic data encryption method receiving module, a dynamic data encryption method parsing module, an encrypted data receiving module, and a dynamic data decryption and unpacking module.
According to another aspect of the present invention, a control method of an industrial control system is provided.
The method comprises the following steps:
sending a command through the main control console to enter a dynamic data encryption module;
dynamic data encryption a group of encryption methods are generated by a dynamic data encryption method generation module;
encrypting the command by the encryption method to obtain an encrypted command;
transmitting the encryption method into a data packet decoding module through a network module;
packaging the encrypted command through a dynamic data encryption packaging module to obtain a data packet;
the data packet is sent to a data packet decoding module through an encrypted data sending module;
the data packet decoding module decrypts and unpacks the data packet through the encryption method to obtain a decoding command;
sending the decoding command to a secondary controller module in the industrial workshop, wherein the secondary controller module works through the decoding command;
when the industrial mechanical module works, the working state of the industrial mechanical module is fed back through the working state detection module;
the working state of the industrial machine can be judged whether to accord with the command sent by the command module or not through the feedback information of the working state detection module and the video information collected by the video collection module.
The method further comprises the step of detecting the working state, wherein the detection result comprises one of working, suspending, failure and maintenance.
The method further comprises the step of replacing the secondary network module with the dynamic data encryption module and the data packet decoding module through the network link control switch module to connect if the industrial mechanical module does not work or the working state does not accord with the command due to the fault of the network module.
The method further comprises the step of judging whether a command executed by the work of the industrial mechanical module is a command sent by the command module if the data packet analysis frequency recording module detects that the analysis frequency is greater than 1, wherein if the command executed by the work of the industrial mechanical module is the command sent by the command module, the first warning module in the control room warns, relevant personnel check whether the command is invaded into the control system by the outside, and if the command executed by the work of the industrial mechanical module is not the command, the first warning module in the control room and the second warning module in the industrial workshop both send warning information, and the relevant personnel check whether the command is invaded into the control system by the outside and stop the work of the industrial mechanical module.
The invention has the beneficial effects that:
(1) the control of external relevant personnel to the industrial control system can be effectively prevented, the economic loss of a factory is effectively reduced, whether a feedback command which can be timely is replaced or not is judged, the loss can be timely stopped, the feedback command which is difficult to crack and timely is added, multiple protection measures are taken, and the accuracy of the control command is protected.
(2) Therefore, during the maintenance of the network module, the information paralysis of the factory can not be generated, the continuous work can be carried out, and the loss is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a system block diagram of an industrial control system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a dynamic data encryption module in an industrial control system according to an embodiment of the present invention;
FIG. 3 is a block diagram of a data packet decoding module in an industrial control system according to an embodiment of the present invention;
FIG. 4 is one of the flow charts of a control method of an industrial control system according to an embodiment of the present invention;
fig. 5 is a second flowchart of a control method of an industrial control system according to an embodiment of the present invention.
Reference numerals;
a control room 1, an industrial workshop 2, a master console 3, a command module 4, a first warning module 5, a first call talkback module 6, a master controller module 7, a video display module 8, a working state display module 9, a dynamic data encryption module 10, a network module 11, a secondary network module 12, a network link control switch module 13, a data packet analysis frequency recording module 14, a data packet decoding module 15, a secondary controller module 16, an industrial machine module 17, a working state detection module 18, a video acquisition module 19, a second call talkback module 20, a second warning module 21, a network signal on-off detection module 22, a dynamic data encryption method generation module 23, a dynamic data encryption method transmission module 24, a dynamic data encryption packaging module 25, an encrypted data transmission module 26, a dynamic data encryption method reception module 27, a dynamic data encryption method analysis module 28, An encrypted data receiving module 29 and a dynamic data decryption and unpacking module 30.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The first embodiment is as follows:
as shown in fig. 1, according to an embodiment of the present invention, an industrial control system is provided, which includes a control room 1 and a plurality of industrial workshops 2, a console 3 is disposed in the control room 1, a command module 4, a first warning module 5, a first call intercom module 6, a host controller module 7, a video display module 8 and a working status display module 9 are disposed on the console 3, a dynamic data encryption module 10 is connected to the console 3, a network module 11 and a secondary network module 12 are connected to one side of the dynamic data encryption module 10, wherein the secondary network module 12 is connected to the dynamic data encryption module 10 through a network link control switch module 13, the network module 11 and the secondary network module 12 are respectively connected to a packet parsing times recording module 14, wherein the packet parsing times recording module 14 is connected to a packet decoding module 15, the data packet decoding module 15 is connected with secondary controller modules 16 in a plurality of industrial workshops 2, the secondary controller modules 16 are connected with industrial mechanical modules 17, the industrial mechanical modules 17 are connected with working state detection modules 18, and the secondary controller modules 16 are respectively connected with a video acquisition module 19, a second call talkback module 20 and a second warning module 21.
According to the technical scheme, the dynamic encryption method is generated in a dynamic encryption mode, due to the adoption of the dynamic encryption mode, workers who are not in a factory cannot know the encryption mode through a professional method, and the encryption method is variable, so that the control of external related personnel on an industrial control system can be effectively prevented, the economic loss of the factory is effectively reduced, whether a feedback command can be timely changed or not can be timely prevented, the loss can be timely prevented, the command is difficult to crack and timely fed back, multiple protection measures are taken, and the accuracy of the control command is protected.
Example two:
as shown in fig. 1, the first warning module 5 and the second warning module 21 each include one or more combinations of a warning lamp and a warning buzzer. The network module 11 and the secondary network module 12 are respectively connected with a network signal on-off detection module 22. The working state display module 9 displays one of working, suspending, failure and maintenance.
Example three:
as shown in fig. 2, the dynamic data encryption module 10 includes a dynamic data encryption method generation module 23, a dynamic data encryption method transmission module 24, a dynamic data encryption packaging module 25 and an encrypted data transmission module 26. The dynamic data encryption method generation module 23 is used to produce an encryption method that encrypts the command to obtain a packet, and the packet is entered into the packet decoding module 15 along with the encryption method.
Example four:
as shown in fig. 3, the data packet decoding module 15 includes a dynamic data encryption method receiving module 27, a dynamic data encryption method parsing module 28, an encrypted data receiving module 29, and a dynamic data decryption and unpacking module 30. The packet decoding module 15 receives the encryption method first and decrypts the packet according to the encryption method.
As shown in fig. 4 to 5, according to an embodiment of the present invention, there is also provided a control construction method of an industrial system.
The method comprises the following steps:
step S101, a command is sent through a master console, and the dynamic data encryption module is entered;
step S103, encrypting the dynamic data and generating a group of encryption methods by a dynamic data encryption method generating module;
step S105, encrypting the command by the encryption method to obtain an encrypted command;
step S107, the encryption method is transmitted into a data packet decoding module through a network module;
step S109, packaging the encrypted command through a dynamic data encryption packaging module to obtain a data packet;
step S111, the data packet is sent to a data packet decoding module through an encrypted data sending module;
step S113, the data packet decoding module decrypts and unpacks the data packet by the encryption method to obtain a decoding command;
step S115, sending the decoding command to a secondary controller module in the industrial workshop, wherein the secondary controller module works through the decoding command;
step S117, when the industrial mechanical module works, the working state is fed back through the working state detection module;
and step S119, judging whether the working state of the industrial machine accords with the command sent by the command module or not through the feedback information of the working state detection module and the video information collected by the video collection module.
In addition, in the specific application, the detection result of the working state comprises one of working, suspending, failure and maintenance. If the network module 11 fails, causing the industrial machine module 17 not to work or the working state does not conform to the command, the network link control switch module 13 is replaced with the secondary network module 12 to connect the dynamic data encryption module 10 and the data packet decoding module 15. If the data packet analysis frequency recording module 14 detects that the analysis frequency is greater than 1, it is first determined whether the command executed by the industrial machine module 17 is the command sent by the command module, if so, the first warning module 5 in the control room 1 warns, and the relevant personnel checks whether the command is invaded into the control system by the outside, and if not, the first warning module 5 in the control room 1 and the second warning module 21 in the industrial workshop 2 both send warning information, and the relevant personnel check whether the command is invaded into the control system by the outside, and simultaneously stop the work of the industrial machine module 17.
In summary, with the above technical solution of the present invention, a dynamic encryption method is generated by a dynamic encryption method, then, the command is encrypted by the encryption method to obtain a data packet, and as the encryption method enters the data packet decoding module 15 along with the encrypted packet, the data packet decoding module 15 receives the encryption method first, when the data packet is decrypted according to the encryption method, because the dynamic encryption mode is adopted, the worker who is not in the factory can not know the encryption mode through a professional method, moreover, the encryption method is variable, so that the control of external related personnel on the industrial control system can be effectively prevented, the economic loss of a factory is effectively reduced, and whether the command can be timely fed back is changed or not, the loss can be timely prevented, the command is difficult to crack and timely fed back, multiple protection measures are taken, and the accuracy of the control command is protected. Through network signal break-make detection module 22, can be timely feedback out whether network module 11 goes wrong, and then can be timely through changing into secondary network module 12 and communicate for during the maintenance network module, the mill can not produce information paralysis, can continue carry out work, reduce the loss.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An industrial control system is characterized by comprising a control room (1) and a plurality of industrial workshops (2), wherein a main control console (3) is arranged in the control room (1), a command module (4), a first warning module (5), a first call talkback module (6), a main controller module (7), a video display module (8) and a working state display module (9) are arranged on the main control console (3), a dynamic data encryption module (10) is connected to the main control console (3), a network module (11) and a secondary network module (12) are connected to one side of the dynamic data encryption module (10), the secondary network module (12) is connected with the dynamic data encryption module (10) through a network link control switch module (13), the network module (11) and the secondary network module (12) are respectively connected with a data packet analysis time recording module (14), the system comprises a data packet analyzing frequency recording module (14), a data packet decoding module (15), a secondary controller module (16) in a plurality of industrial workshops (2), a secondary controller module (16) and an industrial mechanical module (17), wherein the industrial mechanical module (17) is connected with a working state detection module (18), and the secondary controller module (16) is respectively connected with a video acquisition module (19), a second calling talkback module (20) and a second warning module (21).
2. An industrial control system according to claim 1, characterized in that the first warning module (5) and the second warning module (21) each comprise one or more combinations of warning lights and warning buzzers.
3. An industrial control system according to claim 2, characterized in that the network module (11) and the secondary network module (12) are respectively connected with a network signal on-off detection module (22).
4. An industrial control system according to claim 3, characterized in that the operation status display module (9) displays one of operation, pause, malfunction and maintenance.
5. An industrial control system according to claim 4, wherein the dynamic data encryption module (10) comprises a dynamic data encryption method generation module (23), a dynamic data encryption method transmission module (24), a dynamic data encryption packaging module (25) and an encrypted data transmission module (26).
6. An industrial control system according to claim 5, wherein the data packet decoding module (15) comprises a dynamic data encryption method receiving module (27), a dynamic data encryption method parsing module (28), an encrypted data receiving module (29) and a dynamic data decryption and unpacking module (30).
7. A control method for an industrial control system, characterized in that for the use of the industrial control system according to claim 6, the following steps are included:
sending a command through the main control console to enter a dynamic data encryption module;
dynamic data encryption a group of encryption methods are generated by a dynamic data encryption method generation module;
encrypting the command by the encryption method to obtain an encrypted command;
transmitting the encryption method into a data packet decoding module through a network module;
packaging the encrypted command through a dynamic data encryption packaging module to obtain a data packet;
the data packet is sent to a data packet decoding module through an encrypted data sending module;
the data packet decoding module decrypts and unpacks the data packet through the encryption method to obtain a decoding command;
sending the decoding command to a secondary controller module in the industrial workshop, wherein the secondary controller module works through the decoding command;
when the industrial mechanical module works, the working state of the industrial mechanical module is fed back through the working state detection module;
the working state of the industrial machine can be judged whether to accord with the command sent by the command module or not through the feedback information of the working state detection module and the video information collected by the video collection module.
8. The method as claimed in claim 7, wherein the operation status is detected, and the detection result includes one of operation, suspension, failure and maintenance.
9. The method as claimed in claim 7, wherein if the network module fails, causing the industrial machine module to not operate or the operating status is not compliant with the command, the network link control switch module is replaced with a secondary network module to connect the dynamic data encryption module and the data packet decoding module.
10. The method as claimed in claim 7, wherein if the data packet parsing time recording module detects that the parsing time is greater than 1, it is determined whether the command executed by the industrial machine module is a command sent by the command module, if yes, the first warning module in the control room warns, and the related personnel checks whether the external intrusion into the control system occurs, and if not, the first warning module in the control room and the second warning module in the industrial workshop both send warning information, and the related personnel checks whether the external intrusion into the control system occurs, and stops the operation of the industrial machine module.
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| CN201911348695.1A CN111142484B (en) | 2019-12-24 | 2019-12-24 | Industrial control system and control method |
| PCT/CN2020/078895 WO2021128594A1 (en) | 2019-12-24 | 2020-03-12 | Industrial control system and control method |
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| WO2021128594A1 (en) | 2021-07-01 |
| CN111142484B (en) | 2021-04-30 |
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