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We obtain a generalization of Noether's invariance principle for optimal control problems with equality and inequality state-input constraints. The result relates the invariance properties of the problems with the existence of conserved…

Optimization and Control · Mathematics 2007-05-23 Delfim F. M. Torres

We study in optimal control the important relation between invariance of the problem under a family of transformations, and the existence of preserved quantities along the Pontryagin extremals. Several extensions of Noether theorem are…

Optimization and Control · Mathematics 2007-05-23 Delfim F. M. Torres

We extend Noether's theorem to dynamical optimal control systems being under the action of nonconservative forces. A systematic way of calculating conservation laws for nonconservative optimal control problems is given. As a corollary, the…

Optimization and Control · Mathematics 2007-05-23 Gastao S. F. Frederico , Delfim F. M. Torres

We extend the second Noether theorem to optimal control problems which are invariant under symmetries depending upon k arbitrary functions of the independent variable and their derivatives up to some order m. As far as we consider a…

Optimization and Control · Mathematics 2007-05-23 Delfim F. M. Torres

We present analytic computational tools that permit us to identify, in an automatic way, conservation laws in optimal control. The central result we use is the famous Noether's theorem, a classical theory developed by Emmy Noether in 1918,…

Optimization and Control · Mathematics 2012-11-06 Paulo D. F. Gouveia , Delfim F. M. Torres

We begin by reporting on some recent results of the authors (Frederico and Torres, 2006), concerning the use of the fractional Euler-Lagrange notion to prove a Noether-like theorem for the problems of the calculus of variations with…

Optimization and Control · Mathematics 2010-10-25 Gastao S. F. Frederico , Delfim F. M. Torres

We prove a generalization of Noether's theorem for optimal control problems defined on time scales. Particularly, our results can be used for discrete-time, quantum, and continuous-time optimal control problems. The generalization involves…

Optimization and Control · Mathematics 2014-06-04 Agnieszka B. Malinowska , Moulay Rchid Sidi Ammi

We study, in a unified way, the following questions related to the properties of Pontryagin extremals for optimal control problems with unrestricted controls: i) How the transformations, which define the equivalence of two problems,…

Optimization and Control · Mathematics 2009-09-19 Delfim F. M. Torres

We prove a Noether-type symmetry theorem for invariant optimal control problems with unrestricted controls. The result establishes weak conservation laws along all the minimizers of the problems, including those minimizers which do not…

Optimization and Control · Mathematics 2010-03-04 Delfim F. M. Torres

We establish a generalization of Noether theorem for stochastic optimal control problems. Exploiting the tools of jet bundles and contact geometry, we prove that from any (contact) symmetry of the Hamilton-Jacobi-Bellman equation associated…

Optimization and Control · Mathematics 2021-05-04 Francesco C. De Vecchi , Elisa Mastrogiacomo , Mattia Turra , Stefania Ugolini

We extend the DuBois-Reymond necessary optimality condition and Noether's symmetry theorem to the time delay variational setting. Both Lagrangian and Hamiltonian versions of Noether's theorem are proved, covering problems of the calculus of…

Dynamical Systems · Mathematics 2012-07-23 Gastao S. F. Frederico , Delfim F. M. Torres

The study of fractional variational problems with derivatives in the sense of Caputo is a recent subject, the main results being Agrawal's necessary optimality conditions of Euler-Lagrange and respective transversality conditions. Using…

Optimization and Control · Mathematics 2008-01-16 Gastao S. F. Frederico , Delfim F. M. Torres

A general study of symmetries in optimal control theory is given, starting from the presymplectic description of this kind of system. Then, Noether's theorem, as well as the corresponding reduction procedure (based on the application of the…

Mathematical Physics · Physics 2016-08-16 A. Echeverría-Enríquez , J. Marín-Solano , M. C. Muñoz-Lecanda , N. Román-Roy

We approach higher-order variational problems of Herglotz type from an optimal control point of view. Using optimal control theory, we derive a generalized Euler-Lagrange equation, transversality conditions, a DuBois-Reymond necessary…

Optimization and Control · Mathematics 2015-11-24 Simao P. S. Santos , Natalia Martins , Delfim F. M. Torres

In this paper, we study a class of fractional optimal control problems. A necessary condition for the existence of an optimal control is provided in the literature. It is commonly given as the existence of a solution of a fractional…

Optimization and Control · Mathematics 2012-03-08 Loïc Bourdin

Noether's theorem and the invariances of the Willmore functional are used to derive conservation laws that are satisfied by the critical points of the Willmore energy subject to generic constraints. We recover in particular previous results…

Differential Geometry · Mathematics 2014-09-25 Yann Bernard

We present an extension of some results of higher order calculus of variations and optimal control to generalized functions. The framework is the category of generalized smooth functions, which includes Schwartz distributions, while sharing…

Functional Analysis · Mathematics 2021-10-12 Gastao S. F. Frederico , Paolo Giordano , Alexandr A. Bryzgalov , Matheus J. Lazo

We address the generalized variational problem of Herglotz from an optimal control point of view. Using the theory of optimal control, we derive a generalized Euler-Lagrange equation, a transversality condition, a DuBois-Reymond necessary…

Optimization and Control · Mathematics 2015-06-22 Simao P. S. Santos , Natalia Martins , Delfim F. M. Torres

The study of problems of the calculus of variations with compositions is a quite recent subject with origin in dynamical systems governed by chaotic maps. Available results are reduced to a generalized Euler-Lagrange equation that contains…

Optimization and Control · Mathematics 2007-10-04 Gastao S. F. Frederico , Delfim F. M. Torres

We begin by presenting the classical deterministic problems of the calculus of variations, with emphasis on the necessary optimality conditions of Euler-Lagrange and the Noether theorem. As examples of application, we obtain the…

Optimization and Control · Mathematics 2012-08-29 Adilson C. M. Barros , Delfim F. M. Torres
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