Method and system for detecting safety of industrial process control technological process
A technology for industrial process control and process flow, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve problems such as lack of safety detection methods and systems
Active Publication Date: 2015-03-25
ZHEJIANG UNIV
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At present, there is a lack of such security detection methods and systems
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[0080] The core of the present invention is to provide a method and system for detecting the safety of industrial process control process flow, by respectively obtaining the data flow of the process control of the target industrial process control system and the real-time process control data flow, drawing the trend curve and real-time data flow of the safety monitoring point Trend curve: By comparing the trend curve of the safety monitoring point with the real-time trend curve, it can be judged whether the target industrial process control system is safe.
[0081] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0082] The embodiment of the present invention discloses a detection method for industrial process control process safety, see figure 1 , the detection method of industrial proc...
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The invention discloses a method and system for detecting the safety of the industrial process control technological process. The method includes the steps that process control data flows of a target industrial process control system are acquired and analyzed; state values and time stamps of safety monitoring points in the analyzed process control data flow are extracted; according to the state values and the time stamps of the safety monitoring points, a trend curve of the safety monitoring points is generated; real-time process control data flows of the target industrial process control system are acquired and analyzed; state values and time stamps of safety monitoring points in the analyzed real-time process control data flows are extracted; according to the state values and the time stamps of the safety monitoring points in the real-time process control data flows, a trend curve of the real-time safety monitoring points is generated; the trend curve of the safety monitoring points is compared with the trend curve of the real-time safety monitoring points, whether the target industrial process control system is in a safety state or not is judged, and if not, an alarm is given. Process control interactive data flows are combined with a specific control law for content depth detection.
Description
technical field [0001] The invention relates to the technical field of industrial process control system safety, in particular to a method for detecting the safety of an industrial process control process flow and a system thereof. Background technique [0002] With the rapid development of my country's industrial modernization, the degree of industrial automation is getting higher and higher, and the industrial control system is becoming more and more perfect. [0003] Industrial process control systems are widely used in petrochemical, metallurgy, pharmaceutical and other important production fields. In recent years, with the development of informatization and networking of industrial control systems, information security has gradually become a new research topic in the field of industrial control. Functional safety, extended to network safety, and further extended to production process process safety. [0004] Process security has an important impact on the quality of p...
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IPC IPC(8): G05B19/418
CPCY02P90/02G05B19/418
Inventor 冯冬芹许剑新
Owner ZHEJIANG UNIV