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Model based feedback control of gas tungsten arc welding: An experimental study
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för automationssystem. (PTW)ORCID-id: 0000-0001-5734-294X
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för automationssystem. (PTW)ORCID-id: 0000-0001-5608-8636
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för automationssystem. Högskolan Väst, Institutionen för ingenjörsvetenskap, Avdelningen för produktionssystem (PS). Chalmers University of Technology, Department of Signals and Systems,Gothenburgh, Sweden. (PTW)
2015 (engelsk)Inngår i: Automation Science and Engineering (CASE), 2015 IEEE International Conference on, IEEE conference proceedings, 2015, s. 411-416Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In order to obtain high structural integrity and joint performance in welding a transient heat conduction model has been utilized to design a model based feedback controller.Gas tungsten arc welding of work-pieces of austenitic steel have been simulated by the finite element method. The basis for controller design is a low order model obtained from parametric system identification. The identification has been performed both on the finite element simulation and on physical welding. The low order model responses show a good agreement with both the finite element simulation result and the physical process response. An experimental study has been performed to verify the approach. This study also explores what experiments are needed for a successful design. It is shown that model based control successfully mitigates perturbations that occur during welding.

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2015. s. 411-416
HSV kategori
Forskningsprogram
TEKNIK, Produktions- och materialteknik
Identifikatorer
URN: urn:nbn:se:hv:diva-8299DOI: 10.1109/CoASE.2015.7294113ISI: 000380453000066Scopus ID: 2-s2.0-84952778514OAI: oai:DiVA.org:hv-8299DiVA, id: diva2:857667
Konferanse
11th IEEE International Conference on Automation Science and Engineering, CASE 2015; Elite Park Avenue HotelGothenburg; Sweden; 24 August 2015 through 28 August 2015
Merknad

Article number 7294113

Tilgjengelig fra: 2015-09-29 Laget: 2015-09-29 Sist oppdatert: 2020-02-20bibliografisk kontrollert

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Sikström, FredrikChristiansson, Anna-KarinLennartson, Bengt

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