Mean-field optimal control and optimality conditions in the space of probability measures
We derive a framework to compute optimal controls for problems with states in the space of
probability measures. Since many optimal control problems constrained by a system of
ordinary differential equations modeling interacting particles converge to optimal control
problems constrained by a partial differential equation in the mean-field limit, it is interesting
to have a calculus directly on the mesoscopic level of probability measures which allows us
to derive the corresponding first-order optimality system. In addition to this new calculus, we …
probability measures. Since many optimal control problems constrained by a system of
ordinary differential equations modeling interacting particles converge to optimal control
problems constrained by a partial differential equation in the mean-field limit, it is interesting
to have a calculus directly on the mesoscopic level of probability measures which allows us
to derive the corresponding first-order optimality system. In addition to this new calculus, we …
We derive a framework to compute optimal controls for problems with states in the space of probability measures. Since many optimal control problems constrained by a system of ordinary differential equations modeling interacting particles converge to optimal control problems constrained by a partial differential equation in the mean-field limit, it is interesting to have a calculus directly on the mesoscopic level of probability measures which allows us to derive the corresponding first-order optimality system. In addition to this new calculus, we provide relations for the resulting system to the first-order optimality system derived on the particle level and the first-order optimality system based on -calculus under additional regularity assumptions. We further justify the use of the -adjoint in numerical simulations by establishing a link between the adjoint in the space of probability measures and the adjoint corresponding to -calculus. Moreover, we prove a convergence rate for the convergence of the optimal controls corresponding to the particle formulation to the optimal controls of the mean-field problem as the number of particles tends to infinity.
Society for Industrial and Applied Mathematics
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