面向区块链环境的CPS系统可靠性分析

来源 :第十二届中国可信计算与信息安全学术会议 | 被引量 : 0次 | 上传用户:l190207100
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  CPS 系统架构逐渐成为工业互联网建构的重要途径,对于未来智联网建设也具有重要研究价值。由于区块链环境下,CPS系统呈现高度分布式、异构耦合等特点,如何对异构耦合的CPS 面临的级联失效等过程进行可靠性分析变得至关重要。迄今为止,该问题尚无有效而彻底的解决方案。本文首先对耦合异构CPS 系统进行了建模,并给出该系统模式下级联失效过程的理论分析;在此基础上,基于仿真实验对比分析,给出影响异构耦合CPS 系统可靠性的主要因素及分析;最后,本文探讨了区块链环境下CPS 系统的可靠性分析的挑战和下一步研究工作的延伸方向。
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