On the Extremum Control Problem with Pointwise Observation for a Parabolic Equation

Author:

Astashova I. V.,Lashin D. A.,Filinovskiy A. V.

Abstract

Abstract In this paper we consider a control problem with pointwise observation for a one-dimensional parabolic equation which arises in a mathematical model of climate control in industrial greenhouses. We study a general equation with variable diffusion coefficient, convection coefficient, and depletion potential. For the extremum problem of minimizing an integral weighted quadratic cost functional, we establish the existence and uniqueness of a minimizing function. We also study exact controllability and dense controllability of the problem. Necessary conditions for an extremum are obtained, and qualitative properties of the minimizing function are studied.

Publisher

Pleiades Publishing Ltd

Subject

General Mathematics

Reference25 articles.

1. I. V. Astashova, A. V. Filinovskiy, and D. A. Lashin, “On maintaining optimal temperatures in greenhouses,” WSEAS Trans. Circuits Syst. 15 (23), 198–204 (2016).

2. I. Astashova, A. Filinovskiy, and D. Lashin, “On optimal temperature control in hothouses,” Proceedings of International Conference on Numerical Analysis and Applied Mathematics 2016, AIP Conf. Proc. (2017), pp. 4–8.

3. A. G. Butkovskiy, “Optimal processes in systems with distributed parameters,” Avtomat. Telemekh. 22 (1), 17–26 (1961).

4. A. I. Egorov, Optimal Control of Thermal and Diffusion Processes (Nauka, Moscow, 1978) [in Russian].

5. Yu. V. Egorov, “Some problems in the theory of optimal control,” USSR Comput. Math. Math. Phys. 3 (5), 1209–1232 (1963).

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