Relaxation methods for mixed-integer optimal control of partial differential equations
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Publication:354639
DOI10.1007/S10589-012-9518-3zbMATH Open1272.49026arXiv1202.5479OpenAlexW3123752291MaRDI QIDQ354639
Author name not available (Why is that?)
Publication date: 19 July 2013
Published in: (Search for Journal in Brave)
Abstract: We consider integer-restricted optimal control of systems governed by abstract semilinear evolution equations. This includes the problem of optimal control design for certain distributed parameter systems endowed with multiple actuators, where the task is to minimize costs associated with the dynamics of the system by choosing, for each instant in time, one of the actuators together with ordinary controls. We consider relaxation techniques that are already used successfully for mixed-integer optimal control of ordinary differential equations. Our analysis yields sufficient conditions such that the optimal value and the optimal state of the relaxed problem can be approximated with arbitrary precision by a control satisfying the integer restrictions. The results are obtained by semigroup theory methods. The approach is constructive and gives rise to a numerical method. We supplement the analysis with numerical experiments.
Full work available at URL: https://arxiv.org/abs/1202.5479
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