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Computing optimal control With a hyperbolic partial differential equation

Published online by Cambridge University Press:  17 February 2009

V. Rehbock ,
S. Wang  and
K.L. Teo
V. Rehbock
Affiliation:
School of Mathematics and Statistics, Curtin University of Technology, GPO Box U1987, Perth, 6845, Australia
S. Wang
Affiliation:
School of Mathematics and Statistics, Curtin University of Technology, GPO Box U1987, Perth, 6845, Australia
K.L. Teo
Affiliation:
School of Mathematics and Statistics, Curtin University of Technology, GPO Box U1987, Perth, 6845, Australia
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Abstract

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We present a method for solving a class of optimal control problems involving hyperbolic partial differential equations. A numerical integration method for the solution of a general linear second-order hyperbolic partial differential equation representing the type of dynamics under consideration is given. The method, based on the piecewise bilinear finite element approximation on a rectangular mesh, is explicit. The optimal control problem is thus discretized and reduced to an ordinary optimization problem. Fast automatic differentiation is applied to calculate the exact gradient of the discretized problem so that existing optimization algorithms may be applied. Various types of constraints may be imposed on the problem. A practical application arising from the process of gas absorption is solved using the proposed method.

Type
Research Article
Information
The ANZIAM Journal , Volume 40 , Issue 2 , October 1998 , pp. 266 - 287
Copyright
Copyright © Australian Mathematical Society 1998

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