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Sporadic event-based control of first-order linear stochastic systems

In English

Författare

Summary, in English

The standard approach in computer-controlled systems is to sample and control periodically. In certain applications, such as networked control systems orenergy-constrained systems, it could be advantageous to instead use event-based control schemes. Aperiodic event-based control of first-order stochastic systems has been investigated in previous work. In any real implementation, however, it is necessary to have a well-defined minimum inter-event time. In this paper, we explore two such sporadic control schemes for first-order linear stochastic systems and compare the achievable performance to both periodic and aperiodic control. The results show that sporadic control can give better performance than periodic control in terms of both reduced process state variance and reduced control action frequency. (C) 2008 Elsevier Ltd. All rights reserved.

Publiceringsår

2008

Språk

Engelska

Sidor

2890-2895

Publikation/Tidskrift/Serie

Automatica

Volym

44

Issue

11

Dokumenttyp

Artikel i tidskrift

Förlag

Pergamon Press Ltd.

Ämne

  • Control Engineering

Nyckelord

  • Networked control systems
  • Event-based control
  • Hybrid systems
  • Real-time systems
  • Stochastic optimal control

Status

Published

Forskningsgrupp

  • LCCC

ISBN/ISSN/Övrigt

  • ISSN: 0005-1098