On modeling of electrical cyber-physical systems considering cyber security

Wang, Yinan; Lin, Zhiyun; Liang, Xiao; Xu, Wenyuan; Yang, Qiang; Yan, Gangfeng

doi:10.1631/fitee.1500446

Cited by 44 publications

(17 citation statements)

References 21 publications

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“…A graph consists of a set of vertices ( ) and edges ( ). Based on the principle of graph theory technique the physical components are considered as vertices and the transmission line connecting the physical components are considered as an edges which form the directed sparsely connected graph, = ( , ) [67][68][69]. Similarly, the cyber components like routers, servers, computing clusters in cyber systems are considered as vertices and the wireless/wired communication between the cyber components is considered as an edges which form the directed sparsely connected graph = ( , ) [70][71].…”

Section: (I) Graph Theory-based Modelmentioning

confidence: 99%

Cyber-Physical Power System (CPPS): A Review on Modeling, Simulation, and Analysis With Cyber Security Applications

Yohanandhan

Elavarasan²,

Premkumar³

et al. 2020

IEEE Access

206

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Cyber-Physical System (CPS) is a new kind of digital technology that increases its attention across academia, government, and industry sectors and covers a wide range of applications like agriculture, energy, medical, transportation, etc. The traditional power systems with physical equipment as a core element are more integrated with information and communication technology, which evolves into the Cyber-Physical Power System (CPPS). The CPPS consists of a physical system tightly integrated with cyber systems (control, computing, and communication functions) and allows the two-way flows of electricity and information for enabling smart grid technologies. Even though the digital technologies monitoring and controlling the electric power grid more efficiently and reliably, the power grid is vulnerable to cybersecurity risk and involves the complex interdependency between cyber and physical systems. Analyzing and resolving the problems in CPPS needs the modelling methods and systematic investigation of a complex interaction between cyber and physical systems. The conventional way of modelling, simulation, and analysis involves the separation of physical domain and cyber domain, which is not suitable for the modern CPPS. Therefore, an integrated framework needed to analyze the practical scenario of the unification of physical and cyber systems. A comprehensive review of different modelling, simulation, and analysis methods and different types of cyber-attacks, cybersecurity measures for modern CPPS is explored in this paper. A review of different types of cyber-attack detection and mitigation control schemes for the practical power system is presented in this paper. The status of the research in CPPS around the world and a new path for recommendations and research directions for the researchers working in the CPPS are finally presented.

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Section: (I) Graph Theory-based Modelmentioning

confidence: 99%

Cyber-Physical Power System (CPPS): A Review on Modeling, Simulation, and Analysis With Cyber Security Applications

Yohanandhan

Elavarasan²,

Premkumar³

et al. 2020

IEEE Access

206

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“…As we have introduced in Reference [13], the proposed framework compressively considers the characteristics of the power grids, communication facilities, and their interdependent relationships.…”

Section: Framework Of Ecpssmentioning

confidence: 99%

“…For this purpose, we have developed our study from three aspects in Figure 1: model, platform, and assessment. The model approach is suitable for large-scale systems (as shown in References [13,38]). In this paper, we will first go on with the study of the simulation platform with advantages of easy programming, fast calculation, and no damage to systems, and secondly, propose a convincing and comprehensive vulnerability assessment from five aspects.…”

Section: Introductionmentioning

confidence: 99%

Vulnerability Assessment of Electrical Cyber-Physical Systems against Cyber Attacks

2018

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“…Complex network theory provides a powerful tool in modelling the different CPS layers and their interactions, e.g., they can be used to analyze the effects of cyberattacks or how cascading failures progress from the cyber to the physical layer and vice versa [8,19]. Cyberattacks result in compromised measurement signals from sensors or control signals from actuators, e.g., via communication package losses, creating the need for attack-resilient power systems through the development of novel cybersecurity methods and technologies [20,21]. The control and measurement signals close the loop between the cyber and the physical layers, thus representing the key technologies for achieving a stable, reliable, and resilient CPS-based power system architecture [22,23].…”

Section: Introductionmentioning

confidence: 99%

Towards the Integration of Modern Power Systems into a Cyber–Physical Framework

2020

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The cyber–physical system (CPS) architecture provides a novel framework for analyzing and expanding research and innovation results that are essential in managing, controlling and operating complex, large scale, industrial systems under a holistic insight. Power systems constitute such characteristically large industrial structures. The main challenge in deploying a power system as a CPS lies on how to combine and incorporate multi-disciplinary, core, and advanced technologies into the specific for this case, social, environmental, economic and engineering aspects. In order to substantially contribute towards this target, in this paper, a specific CPS scheme that clearly describes how a dedicated cyber layer is deployed to manage and interact with comprehensive multiple physical layers, like those found in a large-scale modern power system architecture, is proposed. In particular, the measurement, communication, computation, control mechanisms, and tools installed at different hierarchical frames that are required to consider and modulate the social/environmental necessities, as well as the electricity market management, the regulation of the electric grid, and the power injection/absorption of the controlled main devices and distributed energy resources, are all incorporated in a common CPS framework. Furthermore, a methodology for investigating and analyzing the dynamics of different levels of the CPS architecture (including physical devices, electricity and communication networks to market, and environmental and social mechanisms) is provided together with the necessary modelling tools and assumptions made in order to close the loop between the physical and the cyber layers. An example of a real-world industrial micro-grid that describes the main aspects of the proposed CPS-based design for modern electricity grids is also presented at the end of the paper to further explain and visualize the proposed framework.

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On modeling of electrical cyber-physical systems considering cyber security

Cited by 44 publications

References 21 publications

Cyber-Physical Power System (CPPS): A Review on Modeling, Simulation, and Analysis With Cyber Security Applications

Cyber-Physical Power System (CPPS): A Review on Modeling, Simulation, and Analysis With Cyber Security Applications

Vulnerability Assessment of Electrical Cyber-Physical Systems against Cyber Attacks

Towards the Integration of Modern Power Systems into a Cyber–Physical Framework

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