Abstract

A class of discrete-time nonlinear stochastic control systems is considered. By using previously established proper mean-square stabilizability and observability conditions, the author shows the relationship between the stabilization conditions for the moving- and infinite-horizon quadratic optimal controllers. In this way, the existence of the mean-square stabilizing infinite-horizon controller implies the existence of a multitude of moving finite-horizon controllers with different horizon lengths with the same stability property. The results allow the use of finite-stage solutions of a Riccati-like matrix equation in a stabilizing control design which can drastically reduce the computation time.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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