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Evaluation of control strategies in forming processes

Calmano, Stefan ; Hesse, Daniel ; Hoppe, Florian ; Groche, Peter
Qin, Y. ; Dean, T. A. ; Lin, J. ; Yuan, S. J. ; Vollertsen, F. (eds.) :

Evaluation of control strategies in forming processes.
In: MATEC Web of Conferences (Tagungsband der 4. International Conference on New Forming Technology, ICNFT 2015). edp science
[ Konferenzveröffentlichung] , (2015)

Kurzbeschreibung (Abstract)

Products of forming processes are subject to quality fluctuations due to uncertainty in semi-finished part properties as well as process conditions and environment. An approach to cope with these uncertainties is the implementation of a closed-loop control taking into account the actual product properties measured by sensors or estimated by a mathematical process model. Both methods of uncertainty control trade off with a financial effort. In case of sensor integration the effort is the cost of the sensor including signal processing as well as the design and manufacturing effort for integration. In case of an estimation model the effort is mainly determined by the time and knowledge needed to derive the model, identify the parameters and implement the model into the PLC. The risk of mismatch between model and reality as well as the risk of wrong parameter identification can be assumed as additional uncertainty (model uncertainty). This paper evaluates controlled and additional uncertainty by taking into account process boundary conditions like the degree of fluctuations in semi-finished part properties. The proposed evaluation is demonstrated by the analysis of exemplary processes.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2015
Herausgeber: Qin, Y. ; Dean, T. A. ; Lin, J. ; Yuan, S. J. ; Vollertsen, F.
Autor(en): Calmano, Stefan ; Hesse, Daniel ; Hoppe, Florian ; Groche, Peter
Titel: Evaluation of control strategies in forming processes
Sprache: Englisch
Kurzbeschreibung (Abstract):

Products of forming processes are subject to quality fluctuations due to uncertainty in semi-finished part properties as well as process conditions and environment. An approach to cope with these uncertainties is the implementation of a closed-loop control taking into account the actual product properties measured by sensors or estimated by a mathematical process model. Both methods of uncertainty control trade off with a financial effort. In case of sensor integration the effort is the cost of the sensor including signal processing as well as the design and manufacturing effort for integration. In case of an estimation model the effort is mainly determined by the time and knowledge needed to derive the model, identify the parameters and implement the model into the PLC. The risk of mismatch between model and reality as well as the risk of wrong parameter identification can be assumed as additional uncertainty (model uncertainty). This paper evaluates controlled and additional uncertainty by taking into account process boundary conditions like the degree of fluctuations in semi-finished part properties. The proposed evaluation is demonstrated by the analysis of exemplary processes.

Verlag: edp science
Fachbereich(e)/-gebiet(e): 16 Fachbereich Maschinenbau
16 Fachbereich Maschinenbau > Institut für Produktionstechnik und Umformmaschinen (PtU)
DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche > SFB 805: Beherrschung von Unsicherheit in lasttragenden Systemen des Maschinenbaus
Zentrale Einrichtungen
DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche
DFG-Sonderforschungsbereiche (inkl. Transregio)
Veranstaltungstitel: MATEC Web of Conferences (Tagungsband der 4. International Conference on New Forming Technology, ICNFT 2015)
Hinterlegungsdatum: 14 Okt 2015 12:57
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