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Distributed Secure Consensus Control of Nonlinear Multi-agent Systems Under Sensor and Actuator Attacks by Sergey Gorbachev; Yang Yang; Qidong Liu; Jingzhi Ge; Dong Yue; Ashish Mani; Dmytro Shevchuk is a Engineering article available to read on EtoBox.

What is Distributed Secure Consensus Control of Nonlinear Multi-agent Systems Under Sensor and Actuator Attacks about?

In this paper, we focus on an output secure consensus control issue for nonlinear multi-agent systems (MASs) under sensor and actuator attacks. Followers in an MAS are in strict-feedback form with unknown control directions and unknown dead-zone input, where both sensors and nonlinear characteristics of dead-zone in actuators are paralyzed by malicious attacks. To deal with sensor attacks, uncertain dynamics in individual follower are separated by a separation theorem, and estimation parameters are introduced for compensating and mitigating the influence from adversaries. The influence from actuator attacks are treated as a total displacement in a dead-zone nonlinearity, and an upper bound, as well as its estimation, is introduced for this displacement. The dead-zone nonlinearity, sensor attacks and unknown control gains are gathered together regarded as composite unknown control directions, and Nussbaum functions are utilized to address the issue of unknown control directions. A distributed secure consensus control strategy is thus developed recursively for each follower in the framework of surface control method. Theoretically, the stability of the closed-loop MAS is analyzed, an

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Author

Sergey Gorbachev; Yang Yang; Qidong Liu; Jingzhi Ge; Dong Yue; Ashish Mani; Dmytro Shevchuk

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)