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
Link To Document :
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