HP Labs Technical Reports



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Phase Space Reconstruction and Approximating Relative Degree from Input-Output Time Series Data

Walker, David M.; Tufillaro, Nicholas B.

HPL-1999-75

Keyword(s): phase space; relative degree; nonlinear time series

Abstract: In this report we attempt to calculate values of important quantities in nonlinear control theory directly from input-output time series data. Straightforward attempts to numerically calculate the "relative degree" of a nonlinear control system fail to produce reliable estimates.

7 Pages

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