Integrated Functional Safety and Security Diagnosis Mechanism of CPS Based on Blockchain

被引：0

作者：

Gu A. ^{[1
,2
]}

Yin Z. ^{[1
,2
]}

Cui C. ^{[3
,4
]}

Li Y. ^{[1
,2
]}

机构：

[1] School of Computer Science and Technology, University of Chinese academy of Sciences, Beijing

[2] Shenyang Institute of Computing Technology, Chinese academy of Sciences, Shenyang

[3] Institute of Metal Research, Chinese academy of Sciences, Shenyang

[4] School of Materials Science and Technology, University of Science and Technology of China, Hefei

来源：

IEEE Access | 2020年 / 8卷

关键词：

Blockchain; CPS; functional safety; smart contract;

D O I：

10.1109/aCCESS.2020.2967453

中图分类号：

学科分类号：

摘要：

This paper proposes a functional safety and information security protection mechanism based on blockchain technology. The design of the basic level and integration level blockchain structure of CPS distributed architecture and related functional safety and information security measures are introduced. an effective communication judgment mechanism based on functional safety error threshold is proposed, which is stored and judged by smart contract. and a refund transaction with a clock is proposed to ensure the effective execution of the functional safety error threshold mechanism. The article takes cyber physical machine tool system as an example to describe the SIL judgment method of CPS physical equipment and functional safety loop and combines SIL with fault diagnosis and risk protection. Finally, the rationality of our proposed mechanism is proved by information security, functional security, real-time and maintainability. © 2013 IEEE.

引用

页码：15241 / 15255

页数：14

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