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IEEE transactions on automation science and engineering, 2017-07, Vol.14 (3), p.1532-1541
2017

Details

Autor(en) / Beteiligte
Titel
Supervised Learning of Human Welder Behaviors for Intelligent Robotic Welding
Ist Teil von
  • IEEE transactions on automation science and engineering, 2017-07, Vol.14 (3), p.1532-1541
Ort / Verlag
IEEE
Erscheinungsjahr
2017
Link zum Volltext
Quelle
IEEE Electronic Library (IEL)
Beschreibungen/Notizen
  • Current industrial welding robots are mostly articulated arms with a pre-programmed set of movement, which lack the intelligence skilled human welders possess. In this paper, human welder's response against 3-D weld pool surface is learned and transferred to the welding robots to perform automated welding tasks. To this end, an innovative teleoperated virtualized welding platform is utilized to conduct dynamic training experiments by a human welder whose arm movements together with the 3-D weld pool characteristic parameters are recorded. The data is off-line rated by the welder and a fuzzy classifier is trained, using an adaptive neuro-fuzzy inference system (ANFIS), to automate the rating. Data from the training experiments are then automatically classified such that top rated data pairs are selected to model and extract "good response" minimizing the effect from "bad operation" made during the training. A supervised ANFIS model is then proposed to correlate the 3-D weld pool characteristic parameters and welder's adjustment on the welding speed. The obtained model is then transferred to the welding robot to perform automated welding task as an intelligent controller. Experiment results verified that the proposed model is able to control the process under different welding current as well as under disturbances in speed and measurement. A foundation is thus established to selectively learn "good response" to rapidly extract human intelligence to transfer into welding robots.
Sprache
Englisch
Identifikatoren
ISSN: 1545-5955
eISSN: 1558-3783
DOI: 10.1109/TASE.2015.2453351
Titel-ID: cdi_crossref_primary_10_1109_TASE_2015_2453351

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