John S. Baras

1994

Risk-Sensitive Control and Dynamic Games for Partially Observed Discrete-Time Nonlinear Systems

M.R. James, J.S. Baras and R.J. Elliott

Journal of Mathematical Imaging and Vision, Vol. 4, Issue 3, pp. 273-290, June 1994.

Full Text Paper ( .Pdf )

Abstract

In this paper we solve a finite-horizon partially observed risk-sensitive stochastic optimal control problem for discrete-time nonlinear systems and obtain small noise and small risk limits. The small noise limit is interpreted as a deterministic partially observed dynamic game, and new insights into the optimal solution of such game problems are obtained. Both the risk-sensitive stochastic control problem and the deterministic dynamic game problem are solved using information states, dynamic programming, and associated separated policies. A certainty equivalence principle is also discussed. Our results have implications for the nonlinear robust stabilization problem. The small risk limit is a standard partially observed risk-neutral stochastic optimal control problem.

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