Security sensing method for synchronously importing DCS human-machine interface operation into virtual DCS
A human-machine interface, operation synchronization technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve problems such as the inability to realize perception and monitoring, and the inability of operators to make accurate judgments in real time, and achieve industrial control functions and No impact on reliability, improved safety and reliability, wide range of effects
Inactive Publication Date: 2019-06-25
SOUTHEAST UNIV
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Problems solved by technology
However, the existing virtual DCS system and the real DCS cannot operate synchronously, so it is not yet possible to realize safe real-time perception and monitoring
Therefore, when the industrial control system network is attacked and data is tampered with, operators cannot make accurate judgments in real time
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[0030] The technical solutions provided by the present invention will be described in detail below in conjunction with specific examples. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.
[0031] The overall design process and its heterogeneous platform architecture realized by the method of the present invention are as follows: figure 1 As shown, its overall structure includes the real DCS system, the man-machine interface connected with the real DCS system, the input devices of the industrial control system DCS such as keyboard and mouse, the virtual DCS system, the virtual DCS operation interface (receiving and processing equipment for operating instructions) and Safety monitoring system. A virtual DCS is a heterogeneous realization of a real DCS. The real industrial control system DCS and its virtual DCS system are respectively connected to th...
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The invention provides a security sensing method for synchronously importing DCS human-machine interface operation into virtual DCS. A single-operating dual-channel device is innovatively adopted to synchronize operation instructions of a real DCS human-machine interface and a virtual DCS human-machine interface, so that the operation of the real DCS system human-machine interface can be synchronously imported into a virtual DCS operation interface. Accurate sensing can be acquired through parallel operation of real DCS and virtual DCS. Subsequent comparative analysis is carried out on the control logic operation results of real DCS and heterogeneous virtual DCS thereof, and finally whether a system is safe or not is determined. If the system is not safe, an alarm message is issued or the system automatically switches to manual operation. According to the invention, real DCS network security can be sensed in real time without intervening in and interfering with a real DCS system; real DCS and virtual DCS are prevented from being affected by the same security flaw at the same time; and the security and reliability are effectively improved.
Description
technical field [0001] The invention belongs to the technical field of industrial control system network security, and relates to virtual DCS technology, in particular to a method for synchronously operating a real DCS and its heterogeneous virtual DCS man-machine interface to realize real-time perception of industrial control system network security and a platform capable of realizing the method. Background technique [0002] The main types of industrial control systems include DCS (Distributed Control System), SCADA (Data Acquisition and Monitoring System), PLC (Programmable Logic Controller), etc., which have been widely used in various industrial fields and are important for promoting national economic development. and critical systems that ensure the normal functioning of society. [0003] With the high-level and deep integration of informatization and industrialization, various innovative applications such as "Internet +" and artificial intelligence continue to develop...
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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 冷杉张家璐黄远远胡浩熊立红
Owner SOUTHEAST UNIV