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Demand analysis and integration method for function safety and information safety of industrial control system

An industrial control system and information security technology, applied in the field of industrial control system security control, to achieve the effect of improving demand fusion efficiency, lowering design thresholds, and avoiding conflicts and redundancy

Active Publication Date: 2015-11-11
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no set of requirements analysis and integration methods for comprehensive functional safety and information security of industrial control systems at home and abroad.

Method used

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  • Demand analysis and integration method for function safety and information safety of industrial control system
  • Demand analysis and integration method for function safety and information safety of industrial control system

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Embodiment Construction

[0052] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0053] see figure 1 as shown, figure 1 The optimized overall system security requirement set in is the final result that needs to be obtained in the application of the present invention.

[0054] The invention relates to a demand analysis and fusion method for functional safety and information safety of an industrial control system. This method can provide a set of rapid and complete process ...

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Abstract

The invention discloses a demand analysis and integration method for the function safety and information safety of and industrial control system, and the method comprises the steps: analyzing assets in a system, determining related properties of assets, and forming an asset list of the system; determining the possibility of accidents according to the relevance between the assets of the system and the accidents; determining the accidents which needs further function safety guarantee measures, and further determining a function safety demand set of the system; analyzing an inherent bug of the assets and the possible information safety throat and corresponding protection measures of the assets; judging the assets needing to be protected in a reinforced manner, and further determining the information safety protection measure of the assets, wherein the protection measures needed by the assets form an information safety demand set of the system; carrying out the conflict coordination of the function safety demand set and the information safety demand set, and obtaining an overall safety demand set of the system; and optimizing the overall safety demand set of the system through combining with the total cost constraint of the system according to the implementation cost of all safety measurements.

Description

technical field [0001] The invention relates to the field of safety control of industrial control systems, and more specifically, to a demand analysis and fusion method for functional safety and information safety of industrial control systems. Background technique [0002] The industrial control system belongs to the production operation system. It is the brain and central nervous system of the country's key infrastructure and various industrial productions. It is very important to ensure its safe operation. The analysis of industrial control system security protection requirements is the premise and basis for ensuring the safe operation of the system. [0003] In industrial control systems, functional safety is an important aspect of safety control. In the IEC61508 standard, functional safety is mainly aimed at equipment and control systems related to E / E / PE, so as to prevent the controlled object from being damaged when the system fails or fails. / process or other relat...

Claims

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0259
Inventor 周纯杰黄双秦元庆张琦李璇
Owner HUAZHONG UNIV OF SCI & TECH
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