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The Control Server: A Computational Model for Real-Time Control Tasks

Publiceringsår: 2003
Språk: Engelska
Sidor: 113-120
Publikation/Tidskrift/Serie: Proceedings 15th Euromicro Conference on Real-Time Systems, 2003.
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


The paper presents a computational model for real-time controltasks, with the primary goal of simplifying the control andscheduling co-design problem. The model combines time-triggered I/Oand inter-task communication with dynamic, reservation-based taskscheduling. To facilitate short input-output latencies, a task maybe divided into several segments. Jitter is reduced by allowingcommunication only at the beginning and at the end of a segment. Akey property of the model is that both schedulability and controlperformance of a control task will depend on the reservedutilization factor only. This enables controllers to be treated asscalable real-time components. The model has been implemented in areal-time kernel and validated in a real-time control application.


  • Control Engineering
  • real-time application
  • inter-task communication
  • real-time control task
  • control server
  • computational model
  • scheduling problem
  • control performance
  • codesign problem
  • reservation-based scheduling
  • real-time systems
  • processor scheduling
  • task scheduling
  • utilization factor
  • input-output latency


  • ISBN: 0-7695-1936-9

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