✦ LIBER ✦

IDENTIFICATION OF PHYSICAL PARAMETERS USING AN INSTRUMENTAL VARIABLES TECHNIQUE

✍ Scribed by S. Seibold

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 280 KB
Volume: 11
Category: Article
ISSN: 0888-3270
DOI: 10.1006/mssp.1996.0088

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✦ Synopsis

This paper deals with the identification of physical parameters in time domain. The procedure employed is the instrumental variables (IV) method, which yields consistent and asymptotically unbiased estimates even in the presence of measurement noise, which means that the parameters will converge to the true values. The IV method works efficiently if the variables are produced with a suitable auxiliary model. Improved IV can be generated by employing Kalman filtering in addition to the auxiliary model. The application to larger scale systems is possible through a novel modal approach, and is illustrated by several simulated and real examples.

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