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On Dynamic Real-Time Scheduling of Model Predictive Controllers

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Author

Summary, in English

The paper discusses dynamic real-time scheduling in the context ofmodel predictive control (MPC). Dynamic scheduling in this settingis motivated by the highly varying execution times associated withMPC controllers. Premature termination of the optimization algorithmis exploited to trade off prolonged computations versuscomputational delay. A feedback scheduling strategy for multiple MPCcontrollers is also proposed, where the scheduler allocates CPU timeto the tasks according to the current values of the cost functions.Simulated examples show how the overall control performance maybenefit from the application of the proposed schemes.

Publishing year

2002

Language

English

Pages

1325-1330

Publication/Series

Proceedings of the 41st IEEE Conference on Decision and Control, 2002

Volume

2

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Control Engineering

Keywords

  • optimisation
  • feedback
  • processor scheduling
  • predictive control
  • delays
  • real-time systems

Status

Published

ISBN/ISSN/Other

  • ISSN: 0191-2216
  • ISBN: 0-7803-7516-5