Information states in stochastic control and filtering: a Lie algebraic theoretic approach
نویسندگان
چکیده
The purpose of this paper is twofold: i) to introduce the sufficient statistic algebra which is responsible for propagating the sufficient statistics, or information state, in the optimal control of stochastic systems and ii) to apply certain Lie algebraic methods and gauge transformations, widely used in nonlinear control theory and quantum physics, to derive new results concerning finite-dimensional controllers. This enhances our understanding of the role played by the sufficient statistics. The sufficient statistic algebra enables us to determine a priori whether there exist finite-dimensional controllers; it also enables us to classify all finite-dimensional controllers. Relations to minimax dynamic games are delineated.
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ورودعنوان ژورنال:
- IEEE Trans. Automat. Contr.
دوره 45 شماره
صفحات -
تاریخ انتشار 2000