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Simulation for Desi...
Simulation for Design of Automated Welding
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- Sikström, Fredrik, 1971- (författare)
- Högskolan Väst,Avd för elektro- och lantmäteri
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- Christiansson, Anna-Karin, 1947- (författare)
- Högskolan Väst,Avd för elektro- och lantmäteri
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- Lennartson, Bengt, 1956- (författare)
- Högskolan Väst,Avdelningen för produktionssystem (PS),Chalmers University of Technology, Department of Signals and Systems
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(creator_code:org_t)
- IEEE Explore, 2007
- 2007
- Engelska.
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Ingår i: EUROCON, 2007. The International Conference on "Computer as a Tool". - : IEEE Explore. - 142440813X - 9781424408139 ; , s. 2263-2270
- Relaterad länk:
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http://ieeexplore.ie...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper describes a promising approach where simulations were used in the design of real-time control for automated welding. A finite element method has been used for thermal modelling of gas tungsten arc welding on a simplified test object. Measurement data for model calibration and validation was acquired through thermal imaging during weld experiments on test objects of the alloy Fe-316. An optimisation scheme for inverse modelling was employed in the calibration of the distributed weld process model. Frequency weighted model reduction and parametric system identification were applied and evaluated to get a low order model of the single-input single-output dynamics between a simulated weld heat source (actuator) and a sensor. This low order model was then successfully used for controller design where the control signal was weld current and the measured output was a moving spot temperature. Finally, the closed-loop performance was evaluated by simulation of the weld process model showing improved temperature stability relative to open loop.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Nyckelord
- Welding
- simulation
- control engineering
- Materials science
- Teknisk materialvetenskap
- Manufacturing and materials engineering
- Produktions- och materialteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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