信息物理系统理论的范畴语义

IF 2 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Georgios Bakirtzis, C. Fleming, Christina N. Vasilakopoulou
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引用次数: 17

摘要

网络物理系统需要各种模型的构建和管理,以确保其正确、安全和安全的运行。这些不同的模型是必要的,因为网络物理系统中存在耦合的物理和计算动力学。然而,到目前为止,网络物理系统的不同模型视图在很大程度上是非正式的,这引发了需求、系统行为和系统架构的各种模型之间形式一致性的问题。我们提出了一个范畴论框架,在网络物理系统的建模和分析中明确不同类型的组成,这有助于验证整个系统。这种网络物理系统的组成框架产生了统一的系统模型,其中系统行为被分层分解,并使用系统作为代数范式与系统架构相关。作为这一范式的一部分,我们表明,(安全)契约代数概括了现有技术,提供了更统一的数学工具来约束一组更丰富的复合网络物理系统模型上的行为,这有可能最大限度地减少或消除危险行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Categorical Semantics of Cyber-Physical Systems Theory
Cyber-physical systems require the construction and management of various models to assure their correct, safe, and secure operation. These various models are necessary because of the coupled physical and computational dynamics present in cyber-physical systems. However, to date the different model views of cyber-physical systems are largely related informally, which raises issues with the degree of formal consistency between those various models of requirements, system behavior, and system architecture. We present a category-theoretic framework to make different types of composition explicit in the modeling and analysis of cyber-physical systems, which could assist in verifying the system as a whole. This compositional framework for cyber-physical systems gives rise to unified system models, where system behavior is hierarchically decomposed and related to a system architecture using the systems-as-algebras paradigm. As part of this paradigm, we show that an algebra of (safety) contracts generalizes over the state of the art, providing more uniform mathematical tools for constraining the behavior over a richer set of composite cyber-physical system models, which has the potential of minimizing or eliminating hazardous behavior.
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来源期刊
ACM Transactions on Cyber-Physical Systems
ACM Transactions on Cyber-Physical Systems COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
CiteScore
5.70
自引率
4.30%
发文量
40
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