doi: 0.17586/2226-1494-2020-20-5-770-772


RISK IDENTIFICATION OF SECURITY INFORMATION VIOLATIONS IN CYBER-PHYSICAL SYSTEMS BASED ON ANALYSIS OF DIGITAL SIGNALS

V. V. Semenov, S. A. Arustamov


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Semenov V.V., Arustamov S.A. Risk identification of security information violations in cyber-physical systems based on analysis of digital signals. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2020, vol. 20, no. 5, pp. 770–772 (in Russian). doi: 10.17586/2226-1494-2020-20-5-770-772


Abstract
Subject of Research. The paper presents an approach to the analysis of digital signal sequences related to cyber-physical systems functioning. The proposed solution combines a set of machine learning methods for analyzing heterogeneous external data of digital signals coming from various system sensors. Method. The methods based on artificial neural networks and the k-nearest neighbors algorithm were studied for the analysis of digital signals. Main Results. The proposed approach has been tested using the signals received from a digital three-axis accelerometer located on an unmanned vehicle prototype. The processing of digital signals by the methods under study has been carried out in the MATLAB R2020a environment. The accuracy of the researched methods has been compared and, as a result, the k-nearest neighbors algorithm reached the value of 96.1 %, whereas artificial neural networks showed the result of 95.0 %. Practical Relevance. The proposed approach makes it possible to detect the risks of information security violations of the cyber-physical systems with acceptable accuracy and can be used in systems for the state monitoring of objects.

Keywords: information security, cyber-physical systems, risk identification, signal analysis, monitoring systems

Acknowledgements. The paper was prepared with the financial support of the Ministry of Science and Higher Education of the Russian Federation under the agreement No. 075-15-2019-1707 dated from 22.11.2019 (identifier RFMEFI60519X0189, internal number 05.605.21.0189).

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