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Dynamic Scheduling and Control-Quality Optimization of Self-Triggered Control Applications

Författare:
  • Soheil Samii
  • Petru Eles
  • Zebo Peng
  • Paulo Tabuada
  • Anton Cervin
Publiceringsår: 2010
Språk: Engelska
Dokumenttyp: Konferensbidrag

Sammanfattning

Time-triggered periodic control implementations are over provisioned for many execution scenarios in which the states of the controlled plants are close to equilibrium. To address this inefficient use of computation resources, researchers have proposed self-triggered control approaches in which the control task computes its execution deadline at runtime based on the state and dynamical properties of the controlled plant. The potential advantages of this control approach cannot, however, be achieved without adequate online resource-management policies. This paper addresses scheduling of multiple self-triggered control tasks that execute on a uniprocessor platform, where the optimization objective is to find tradeoffs between the control performance and CPU usage of all control tasks. Our experimental results show that efficiency in terms of control performance and reduced CPU usage can be achieved with the heuristic proposed in this paper.

Nyckelord

  • Control Engineering

Övriga

31st IEEE Real-Time Systems Symposium
Published
  • ELLIIT-sched
  • LCCC-lup-obsolete

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