Initialization of the Shooting Method via the Hamilton-Jacobi-Bellman Approach

Details Initialization of the Shooting Method via the Hamilton-Jacobi-Bellman Approach Initialization of the Shooting Method via the Hamilton-Jacobi-Bellman Approach

2009-10-03

arxiv.org/abs/0910.0521v1

Mathematics

Optimization and Control

Scientific paper

The aim of this paper is to investigate from the numerical point of view the possibility of coupling the Hamilton-Jacobi-Bellman (HJB) equation and Pontryagin's Minimum Principle (PMP) to solve some control problems. A rough approximation of the value function computed by the HJB method is used to obtain an initial guess for the PMP method. The advantage of our approach over other initialization techniques (such as continuation or direct methods) is to provide an initial guess close to the global minimum. Numerical tests involving multiple minima, discontinuous control, singular arcs and state constraints are considered. The CPU time for the proposed method is less than four minutes up to dimension four, without code parallelization.

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