Probability-guaranteed secure consensus control for time-varying stochastic multi-agent systems under mixed attacks |
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| Institution: | 1. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China;2. School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China;1. Zhejiang University of Technology, Zhengzhou, China;2. Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil;3. Communications Group, Department of Electronic Engineering, University of York, United Kingdom;1. School of Computer and Control Engineering, Yantai University, Yantai, Shandong 264005, China;2. Department of Mathematics, Harbin Institute of Technology, Weihai 264209, China;3. Department of Electrical Engineering, Yeungnam University, 280 Daehak-Ro, Kyongsan 38541, Republic of Korea;4. School of Control Science and Engineering, Dalian University of Technology, Dalian 116024, China;5. School of Mathematics and Information Sciences, Weifang University, Weifang, Shandong 261061, China;1. School of Intelligent Systems Engineering, Sun Yat-sen University, Guangzhou 510006, China;2. College of Information Science and Engineering, Huaqiao Univesity, Xiamen 361002, China;3. School of Information Science, Guangzhou Xinhua University, Dongguan 523133, China;4. Marcau Centre for Mathematical Sciences, Macau University of Science and Technology, Macau, China;1. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China;2. Research Institute for Frontier Science, Beihang University, Beijing 100191, China;3. Science and Technology on Aircraft Control Laboratory, Beihang University, Beijing 100191, China;4. Ningbo Institute of Technology, Beihang University, Ningbo 315800, China;1. Federal University of São João del-Rei, 170 Frei Orlando, São João del-Rei |
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| Abstract: | In this paper, the secure consensus control issue is investigated for a class of discrete time-varying stochastic multi-agent systems (MASs) subject to cyber-attacks. In order to give a comprehensive characterization of malicious threats against communication networks, a generic model is presented to take into account both random false data injection attacks (FDIAs) and replay attacks. The main objective of the problem under study is to design a control protocol via output feedback such that, despite the existence of mixed attacks, all the individual agents can be driven to reside within a desired ellipsoidal region in a pre-specified probability. Sufficient conditions are provided for the existence of the requested controller and the feedback gains are formulated in terms of the solution to certain matrix inequalities. Within the established framework, two optimization problems are considered with the aim to ensure the sub-optimal consensus performances from different perspectives. Finally, a simulation example is employed to illustrate the validity of the proposed control scheme. |
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