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Distributed event-triggered H∞ filtering over sensor networks with sensor saturations and cyber-attacks
Jinliang Liu1, Yuanyuan Gu2, Jie Cao2
1College of Information Engineering, Nanjing University of Finance and Economics, Nanjing, Jiangsu, PR China; Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing, Jiangsu, PR China.
Abstract:
This paper investigates the problem of distributed event-triggered H∞ filtering over sensor networks with sensor saturations and cyber-attacks. By taking the effects of sensor saturations existing in spatially distributed sensors and randomly occurring cyber-attacks into consideration, a distributed event-triggered filtering error system is firstly established. Then, sufficient conditions guaranteeing the system asymptotically stable with H∞ performance are obtained by means of Lyapunov stability theory. Moreover, the explicit expressions of distributed H∞ filters and the weighting matrices of distributed event-triggered scheme are achieved by solving a set of linear matrix inequalities (LMIs). Finally, two examples are given to illustrate the usefulness of the designed distributed event-triggered H∞ filters.
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