System Identification and its Application to Estimating Soil Properties
Publication: Journal of Geotechnical Engineering
Volume 121, Issue 7
Abstract
This paper examines the meaning of principal methods of system identification (SI). System identification is seen as a unique procedure to estimate in situ soil properties, especially soil subject to large strain. When applicable, parametric modeling of system processes is found to be superior to traditional Fourier methods. Several different methods have been presented to directly assess nonstationary data. These methods cover a wide range, from transforming the data into a stationary signal to full-fledged nonlinear, nonstationary analysis. The method used will depend on the nature of the data available and the nature of the requisite information. Segmentation of the data into stationary pieces gives sound results and is widely used. However, if the process of interest has time-varying parameters, a recursive technique should be used.
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Published In
Journal of Geotechnical Engineering
Volume 121 • Issue 7 • July 1995
Pages: 553 - 560
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Jul 1, 1995
Published in print: Jul 1995
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