Finite-dimensional adaptive observers applied to distributed parameter systems

The application of finite-dimensional adaptive observers to distributed parameter systems is addressed. Ultimate boundedness of the parameter and state errors are proved in the case of residuals which have finite energy over a finite time interval, provided the plant input is definitely exciting. In...

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Veröffentlicht in:IEEE transactions on automatic control 1993-03, Vol.38 (3), p.469-474
1. Verfasser: Lilly, J.H.
Format: Artikel
Sprache:eng
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Zusammenfassung:The application of finite-dimensional adaptive observers to distributed parameter systems is addressed. Ultimate boundedness of the parameter and state errors are proved in the case of residuals which have finite energy over a finite time interval, provided the plant input is definitely exciting. In the absence of definite excitation, an error growth rate of proportional to t/sup 1/2/ is proved. The results are obtained without assuming plant stability or input boundedness.< >
ISSN:0018-9286
1558-2523
DOI:10.1109/9.210148