IIASA RepositoryOn stochastic filtering approximations of estimation problems for systems with uncertainty∗A.KurzhanskiauthorThis paper considers estimating the state of a discrete-time linear system in which the values of an unobserved disturbance process are only known to lie in certain prescribed sets. By introducing additional stochastic disturbances it is shown that this problem can be approximated to arbitrarily high accuracy by the solution of a Kalman filtering problem1988Taylor and FrancisArticle

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