Computation of approximate value functions for constrained control problems

Andreas Wernrud

Research output: Contribution to conferencePaper, not in proceedingpeer-review

Abstract

The paper discusses an iterative algorithm for computing approximations to the
optimal value function for constrained control problems. The algorithm gives an
explicit measure on the distance to the optimal value function. A major step
in the course of constructing an algorithm for these problems is to choose
an efficient parameterization. The choice has several implications.
The main obstacle in the algorithm we consider is that it involves an
infinite-dimensional optimization problem in each step, without
approximations these problems are computationally infeasible. The choice of
parameterization must thus be chosen accordingly. Multivariate polynomials
are a good candidate parameterization. To obtain a feasible algorithm, we
impose certain convexity properties and make use of recent results on
the representation of positive polynomials.
Original languageEnglish
Publication statusPublished - 2006
Event17th International Symposium on Mathematical Theory of Networks and Systems, 2006: MTNS 2006 - Kyoto, Japan
Duration: 2006 Jul 242006 Jul 28
Conference number: 17

Conference

Conference17th International Symposium on Mathematical Theory of Networks and Systems, 2006
Country/TerritoryJapan
CityKyoto
Period2006/07/242006/07/28

Subject classification (UKÄ)

  • Control Engineering

Free keywords

  • Optimal Control
  • Dynamic Programming
  • Convex Optimization

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