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

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Author

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.

Publishing year

2008

Language

English

Pages

2890-2895

Publication/Series

Automatica

Volume

44

Issue

11

Document type

Journal article

Publisher

Pergamon Press Ltd.

Topic

  • Control Engineering

Keywords

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

Status

Published

Research group

  • LCCC

ISBN/ISSN/Other

  • ISSN: 0005-1098