Event-Triggered Robust W_∞ Control for Networked Flight Control Systems with Actuator Failures

摘要

This paper studies the problem of event-triggered robust H-infinity control for a class of networked flight control systems (NFCSs), in which parameter uncertainties and actuator failures are jointly involved. Firstly, under networked environments, we design an adaptive event-triggered mechanism (AETM) in order to reduce the data transmissions, whose triggering thresholds can be dynamically adjusted to real-time variations of NFCSs. Secondly, based on AETM and state feedback controller, a closed-loop model can be obtained and an augmented Lyapunov-Krasovskii functional can be further constructed. Thirdly, by means of two effective inequalities, some sufficient conditions on designing the AETM and controller are expressed via linear matrix inequalities, which can ensure the NFCSs to achieve control target and lead to less conservatism. Finally, a numerical example is presented to illustrate the proposed results.