Journal
OPTIMAL CONTROL APPLICATIONS & METHODS
Volume 26, Issue 5, Pages 229-254Publisher
WILEY-BLACKWELL
DOI: 10.1002/oca.759
Keywords
population dynamics; Hamilton-Jacobi-Bellman equation; viscosity solution; finite difference scheme; optimal feedback control
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This paper is concerned with the optimal birth control of a McKendrick-type age-structured population dynamic system. We use the dynamic programming approach in our investigation. The Hamilton-Jacobi-Bellman equation satisfied by the value function is derived. It is shown that the value function is the viscosity solution of the Hamilton-Jacobi-Bellman equation. The optimal birth feedback control is found explicitly through the value function. A finite difference scheme is designed to obtain the numerical solution of the optimal birth feedback control. The validity of the optimality of the obtained control is verified numerically by comparing with different controls under the same constraint. All the data utilized in the computation are taken from the census of the population of China in 1989. Copyright (c) 2005 John Wiley & Sons, Ltd.
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