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A Variational Discretization Concept in Control Constrained Optimization: The Linear-Quadratic Case

Abstract : A new discretization concept for optimal control problems with control constraints is introduced which utilizes for the discretization of the control variable the relation between adjoint state and control. Its key feature is not to discretize the space of admissible controls but to implicitly utilize the first order optimality conditions and the discretization of the state and adjoint equations for the discretization of the control. For discrete controls obtained in this way an optimal error estimate is proved. The application to control of elliptic equations is discussed. Finally it is shown that the new concept is numerically implementable with only slight increase in program management. A numerical test confirms the theoretical investigations.
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https://hal.archives-ouvertes.fr/hal-01395598
Contributor : Mathias Legrand <>
Submitted on : Friday, November 11, 2016 - 3:03:43 AM
Last modification on : Thursday, January 7, 2021 - 2:30:03 PM
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M Hinze. A Variational Discretization Concept in Control Constrained Optimization: The Linear-Quadratic Case. Computational Optimization and Applications, Springer Verlag, 2005, 30, pp.45 - 61. ⟨10.1007/s10589-005-4559-5⟩. ⟨hal-01395598⟩

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