Efficient Output Solution for Nonlinear Stochastic Optimal Control Problem with Model-Reality Differences

Sie Long Kek, Kok Lay Teo and Mohd Ismail Abdul Aziz

Mathematical Problems in Engineering, 2015, vol. 2015, 1-9

Abstract:

A computational approach is proposed for solving the discrete time nonlinear stochastic optimal control problem. Our aim is to obtain the optimal output solution of the original optimal control problem through solving the simplified model-based optimal control problem iteratively. In our approach, the adjusted parameters are introduced into the model used such that the differences between the real system and the model used can be computed. Particularly, system optimization and parameter estimation are integrated interactively. On the other hand, the output is measured from the real plant and is fed back into the parameter estimation problem to establish a matching scheme. During the calculation procedure, the iterative solution is updated in order to approximate the true optimal solution of the original optimal control problem despite model-reality differences. For illustration, a wastewater treatment problem is studied and the results show the efficiency of the approach proposed.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:659506

DOI: 10.1155/2015/659506

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