Open AccessEvent‐triggered output‐feedback ℋ ∞ control for networked control systems with time‐varying sampling
Author(s) -
Peng Chen,
Zhang Jin
Publication year - 2015
Publication title -
iet control theory and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.059
H-Index - 108
eISSN - 1751-8652
pISSN - 1751-8644
DOI - 10.1049/iet-cta.2014.0876
Subject(s) - control theory (sociology) , sampling (signal processing) , networked control system , bandwidth (computing) , computer science , bounded function , event (particle physics) , control system , stability (learning theory) , instant , control (management) , uniform boundedness , sampling time , mathematics , engineering , detector , statistics , telecommunications , physics , quantum mechanics , artificial intelligence , electrical engineering , mathematical analysis , machine learning
This study investigates the problem of event‐triggered output‐feedback ℋ ∞ control for networked control systems (NCSs) with non‐uniform sampling. First, an event‐triggered communication scheme is proposed, in which the output of the system is taken sample with a non‐uniform sampling period, while whether or not the sampled data should be transmitted is determined by a predetermined well‐designed event‐triggering condition. Second, the event‐triggered NCSs are modelled as a time‐delay system, which regards the measured output‐error between the output at the current sampling instant and the output at the last transmitted sampling instant. As a result, the stability and synthesis criteria are derived to guarantee the uniform ultimate bounded stability and the desired performance while using the less communication bandwidth. Finally, three illustrative examples are used to show the effectiveness of the proposed method.