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  • 标题:Control of heat diffusion in arc welding using differential flatness theory and nonlinear Kalman Filtering
  • 本地全文:下载
  • 作者:Gerasimos G. Rigatos ; Gerasimos G. Rigatos
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2015
  • 卷号:48
  • 期号:3
  • 页码:1368-1374
  • DOI:10.1016/j.ifacol.2015.06.277
  • 语种:English
  • 出版社:Elsevier
  • 摘要:Abstract Control of the heat diffusion in the welded metal is of primary importance for succeeding welding of high quality (the latter being a prerequisite for efficient ship building). The paper proposes a distributed parameter systems control method that is based on differential flatness theory for solving the problem of heat distribution control in the arcwelding process. Besides, it proposes a nonlinear filtering method, under the name Derivative- free nonlinear Kalman Filtering for reducing the number of real-time control measurements needed to implement the feedback control loop. The stability of the control method is confirmed analytically, while its efficiency is also evaluated through simulation experiments.
  • 关键词:Keywordsship-buildingarc weldingheat diffusiondifferential flatness theorynonlinear controlnonlinear Kalman Filtering
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