Volume 27, 2021
|Number of page(s)||24|
|Published online||04 June 2021|
A sequential quadratic Hamiltonian scheme to compute optimal relaxed controls
Dipartimento di Fisica “E. R. Caianiello”, Università degli Studi di Salerno,
Via G. Paolo II 132,
2 Institut für Mathematik, Universität Würzburg, Emil-Fischer-Strasse 30, 97074 Würzburg, Germany.
* Corresponding author: firstname.lastname@example.org
Accepted: 6 April 2021
A new sequential quadratic Hamiltonian method for computing optimal relaxed controls for a class of optimal control problems governed by ordinary differential equations is presented. This iterative approach is based on the characterisation of optimal controls by means of the Pontryagin maximum principle in the framework of Young measures, and it belongs to the family of successive approximations schemes. The ability of the proposed optimisation framework to solve problems with regular and relaxed controls, including cases with oscillations and concentration effects, is demonstrated by results of numerical experiments. In all cases, the sequential quadratic Hamiltonian scheme appears robust and efficient, in agreement with convergence results of the theoretical investigation presented in this paper.
Mathematics Subject Classification: 49J15 / 49K15 / 49M05 / 65K10
Key words: Young measure / optimal relaxed controls / Pontryagin maximum principle / sequential quadratic Hamiltonian method / Kullback-Leibler divergence / numerical optimisation
© EDP Sciences, SMAI 2021
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