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Erschienen in:
2001 | OriginalPaper | Buchkapitel
Randomized Digital Optimal Control
verfasst von : W. L. De Koning, L. G. van Willigenburg
Erschienen in: Nonuniform Sampling
Verlag: Springer US
Enthalten in: Professional Book Archive
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In sampled data systems the sampling periods are almost always assumed to be deterministic, i.e., known in advance. However, in practice, the sampling periods should often be conceived as stochastic variables. This so called stochastic sampling phenomena occurs in many areas of sampled data systems such as in biological control systems or when a human being selects the sampling instants. Data may be absent at sampling instants when the sampling is governed by a stochastic process like a radar or sonar echo, or when the sampling mechanism fails. Also technical imperfections in the instrumentation may cause stochastic sampling.