Event-based feedforward control of linear systems with input time-delay

Rodríguez, Carlos ; Aranda-Escolástico, Ernesto ; Guinaldo, Maria ; Guzmán, José Luis ; Dormido, Sebastián

International Journal of Applied Mathematics and Computer Science, Tome 29 (2019) no. 3, pp. 541-553.

Résumé

This paper proposes a new method for the analysis of continuous and periodic event-based state-feedback plus static feedforward controllers that regulate linear time invariant systems with time delays. Measurable disturbances are used in both the control law and triggering condition to provide better disturbance attenuation. Asymptotic stability and L₂-gain disturbance rejection problems are addressed by means of Lyapunov–Krasovskii functionals, leading to performance conditions that are expressed in terms of linear matrix inequalities. The proposed controller offers better disturbance rejection and a reduction in the number of transmissions with respect to other robust event-triggered controllers in the literature.

Détail

Keywords: time delay system, linear system, process control, control system design
Mots-clés : układ z opóźnieniem, układ liniowy, sterowanie procesem, układ regulacji

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