Response Time Driven Design of Control Systems

Yang Xu, Karl-Erik Årzén, Enrico Bini, Anton Cervin

Research output: Contribution to conferencePaper, not in proceedingpeer-review

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Abstract

A correct design of controllers must necessarily account for the schedule of the controller task over the processor. Existing design techniques are based on the assumption that there is no delay, or the delay is constant over time. However, in practice, almost all controllers have time-varying delay, hence invalidating this assumption. In this paper, we introduce a period design policy, in which the controller delay is modelled by the distribution of the task response time. We show, via simulation, that our method can reduce the control cost compared to the state-of-art methods.
Original languageEnglish
Publication statusPublished - 2014
Event19th IFAC World Congress, 2014 - Cape Town, South Africa
Duration: 2014 Aug 242014 Aug 29
Conference number: 19

Conference

Conference19th IFAC World Congress, 2014
Country/TerritorySouth Africa
CityCape Town
Period2014/08/242014/08/29

Bibliographical note

project=elliit-sched

Subject classification (UKÄ)

  • Control Engineering

Free keywords

  • Real-time systems
  • scheduling algorithms
  • control systems
  • LQG control
  • time delay

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