Process controller design for sheet metal forming

In-process adjustment of the blank holder force can lead to higher formability and accuracy, and better part consistency. There are many studies on the application of process control to sheet metal forming. However, process controller design has not been thoroughly addressed, and is studied in this...

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Bibliographic Details
Published inProceedings of the 1999 American Control Conference (Cat. No. 99CH36251) Vol. 1; pp. 192 - 196 vol.1
Main Authors Cheng-Wei Hsu, Ulsoy, A.G., Demeri, M.Y.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1999
Subjects
Aluminum
Automotive materials
Control systems
Force control
Force measurement
Mass production
Process control
Process design
Robust stability
Shape control
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Summary:In-process adjustment of the blank holder force can lead to higher formability and accuracy, and better part consistency. There are many studies on the application of process control to sheet metal forming. However, process controller design has not been thoroughly addressed, and is studied in this paper. A constant gain proportional plus integral (PI) controller with approximate inverse dynamics is presented to achieve small tracking error regardless of model uncertainty and disturbances.
ISBN:9780780349902
0780349903
ISSN:0743-1619
2378-5861
DOI:10.1109/ACC.1999.782767