Abstract
Consideration was given to the problem of robust filtering for the finite-dimensional linear discrete time-invariant system with measured and estimated outputs. The system is exposed to a random disturbance with the imprecisely known probability distribution. In the information-theoretical terms, the stochastic uncertainty of the input disturbance is defined by the functional of mean anisotropy. The error of estimation was quantified by the anisotropy norm. A sufficient condition for an estimator to exist and ensure that the error is less than the given threshold value was derived in the form of a convex inequality on the determinant of a positive definite matrix and two linear matrix inequalities.
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Original Russian Text © V.N. Timin, 2013, published in Avtomatika i Telemekhanika, 2013, No. 11, pp. 3–19.
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Timin, V.N. Anisotropy-based suboptimal filtering for the linear discrete time-invariant systems. Autom Remote Control 74, 1773–1785 (2013). https://doi.org/10.1134/S0005117913110015
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DOI: https://doi.org/10.1134/S0005117913110015