Multiprocessor scheduling in supervisory control of discrete-event systems framework

  • Authors:
  • V. Janarthanan;P. Gohari

  • Affiliations:
  • Concordia University, Montréal, Canada;Concordia University, Montréal, Canada

  • Venue:
  • Control and Intelligent Systems
  • Year:
  • 2007

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Abstract

We present a framework for designing schedulers for hard real-time systems upon uniform multiprocessors based on Supervisory Control Theory (SCT) for timed discrete-event systems (TDES). The contribution of this work lies in the development of a formal constructive method for controlling the preemptive and migrative execution of real-time tasks on a set of uniform processors. This approach allows a unified view of scheduling theory based on the timing analysis of models of real-time applications, i.e., the complications of checking schedulability and determining a scheduling algorithm are considered as dual problems: a solution to the former implies a solution to the latter and vice versa.