On-Line Identification of Process Models in Closed-Loop Material Testing

[+] Author and Article Information
S. R. Lee, K. Srinivasan

Department of Mechanical Engineering, The Ohio State University, Columbus, Ohio 43210

J. Dyn. Sys., Meas., Control 111(2), 172-179 (Jun 01, 1989) (8 pages) doi:10.1115/1.3153033 History: Received September 30, 1987; Revised June 20, 1988; Online July 21, 2009


On-line identification of process models in mechanical material testing situations is considered here. The identification is to be performed under closed loop test conditions and using normally available command signals. Process model forms appropriate for a variety of material testing situations are developed here. The performance of on-line identification schemes is evaluated for some material testing situations, using simulation and experiment. The identification schemes are successful in performing parameter estimation using simple process models.

Copyright © 1989 by ASME
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