• DocumentCode
    2047416
  • Title

    Dynamic optimization of dissipative PDE systems using empirical eigenfunctions

  • Author

    Armaou, Antonios ; Christofides, Panagiotis D.

  • Author_Institution
    Dept. of Chem. Eng., California Univ., Los Angeles, CA, USA
  • Volume
    2
  • fYear
    2002
  • fDate
    2002
  • Firstpage
    1040
  • Abstract
    We propose a computationally efficient method for the solution of dynamic constraint optimization problems arising in the context of spatially-distributed processes governed by highly-dissipative nonlinear partial differential equations (PDEs). The method is based on spatial discretization using a combination of the method of weighted residuals with spatially-global empirical eigenfunctions as basis functions. We use a diffusion-reaction process with nonlinearities and spatially-varying coefficients to demonstrate the implementation and evaluate the effectiveness of the proposed optimization method.
  • Keywords
    chemical engineering computing; dynamic programming; eigenvalues and eigenfunctions; finite difference methods; nonlinear differential equations; nonlinear programming; partial differential equations; diffusion-reaction process; dynamic constraint optimization problems; empirical eigenfunctions; highly-dissipative nonlinear partial differential equations; nonlinearities; spatial discretization; spatially-varying coefficients; weighted residuals; Chemical engineering; Couplings; Differential equations; Distributed computing; Dynamic programming; Eigenvalues and eigenfunctions; Finite difference methods; Optimization methods; Partial differential equations; Steady-state;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    American Control Conference, 2002. Proceedings of the 2002
  • ISSN
    0743-1619
  • Print_ISBN
    0-7803-7298-0
  • Type

    conf

  • DOI
    10.1109/ACC.2002.1023155
  • Filename
    1023155