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Object-Oriented Modeling and Optimal Control: A Case Study in Power Plant Start-Up

Författare:
  • Francesco Casella
  • Filippo Donida
  • Johan Åkesson
Publiceringsår: 2011
Språk: Engelska
Dokumenttyp: Konferensbidrag

Sammanfattning

Modeling and optimization of complex systems traditionally have required significant programming efforts in order to encode the model dynamics, the cost functions and the constraints in a format suitable for state of the art numerical algorithms. The availability of dedicated languages for physical modeling has made the design process simpler, but often tools have been limited to a particular optimization algorithm. In this paper, we present a case study where a combined cycle power plant model has been developed using first principles in the modeling language Modelica. Based on the model, an optimal control problem for the start-up of the power plant has been formulated in the Optimica extension and solved using the open source software JModelica.org. The results demonstrate how high-level modeling languages and tools can be used to bridge the gap between the engineering need for intuitive description formats and the interfaces of efficient numerical algorithms.

Nyckelord

  • Control Engineering

Övriga

18th IFAC World Congress, 2011
Published
  • LCCC
  • LCCC-lup-obsolete

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