Controller synthesis for networked control systems

This paper presents a discrete-time model for networked control systems (NCSs) that incorporates all network phenomena: time-varying sampling intervals, packet dropouts and time-varying delays that may be both smaller and larger than the sampling interval. Based on this model, constructive LMI condi...

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Veröffentlicht in:	Automatica (Oxford) 2010-10, Vol.46 (10), p.1584-1594
Hauptverfasser:	Cloosterman, M.B.G., Hetel, L., van de Wouw, N., Heemels, W.P.M.H., Daafouz, J., Nijmeijer, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Automatic Computer science control theory systems Computer systems and distributed systems. User interface Control system synthesis Control systems Control theory. Systems Delay Engineering Sciences Exact sciences and technology Intervals Linear matrix inequalities Lyapunov functions Mathematical models Modelling and identification Networked control systems Networks Process control. Computer integrated manufacturing Sampled-data control Sampling Software Stability analysis Synthesis Time-varying delay
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Beschreibung
Zusammenfassung:	This paper presents a discrete-time model for networked control systems (NCSs) that incorporates all network phenomena: time-varying sampling intervals, packet dropouts and time-varying delays that may be both smaller and larger than the sampling interval. Based on this model, constructive LMI conditions for controller synthesis are derived, such that stabilizing state-feedback controllers can be designed. Besides the proposed controller synthesis conditions a comparison is made between the use of parameter-dependent Lyapunov functions and Lyapunov–Krasovskii functions for stability analysis. Several examples illustrate the effectiveness of the developed theory.
ISSN:	0005-1098 1873-2836
DOI:	10.1016/j.automatica.2010.06.017