Abstract It is one of the most important research topics in the field of automatic control to ensure stability of networked control system and keep controlled parameters unchanged in the presence of data injection attacks. On the basis of linear system state feedback, a linear quadratic (LQ) method keeping output error close to zero is presented. Stability condition of closed-loop system is given. Using integral control and LQ infinite time tracking strategy, a protective closed-loop control system is illustrated in detail. Simulation results show that the control strategy can reduce or remove the influence of illegal injecting data at sensor’s output terminal in some degree. Controlled parameters are limited within small variation range. The control method has certain application prospect and popularization value.
Networked Control System Based on LQ Tracking and Response Strategy Under Data Injection Attack
2017-01-01
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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