Predictive control based Double-electrode submerged arc welding for filet joints

Yi Lu; Jin Song Chen; Yu Ming Zhang; Lee Kvidahl

doi:10.1016/j.jmapro.2014.05.001

Predictive control based Double-electrode submerged arc welding for filet joints

Yi Lu
, Jin Song Chen
, Yu Ming Zhang
, Lee Kvidahl

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Double-electrode submerged arc welding (DE-SAW) is an innovative process to achieve the same metal deposition rate at reduced heat input. To maximally take advantage of this new capability, the heat input needed to produce acceptable welds needs to be reduced. A joint gap is successfully introduced to reduce the required heat input but it introduces variations affecting currents/heat input. To minimize the resultant variations in currents and resultant welds, the process is modeled and a multivariable predictive control algorithm is developed to control the currents at desired levels. Experiments verified the effectiveness of the resultant feedback controlled DE-SAW process.

Original language	English
Pages (from-to)	415-426
Number of pages	12
Journal	Journal of Manufacturing Processes
Volume	16
Issue number	4
DOIs	https://doi.org/10.1016/j.jmapro.2014.05.001
State	Published - Oct 2014

Bibliographical note

Publisher Copyright:
© 2014 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.

Funding

This work was funded by the Navy under contracts N65538-08-M-0049 and N00024-09-C-4140 and Kentucky Cabinet for Economic Development (CED) Office of Commercialization and Innovation through Kentucky Science and Engineering Corp. under agreements KSTC-184-512-08-038 and KSTC-184-512-09-067. The approval for public release from the Navy (5720/00DT 2012-0854) is greatly appreciated.

Funders	Funder number
CED
Kentucky Cabinet for Economic Development
Kentucky Science and Engineering Corp.	KSTC-184-512-09-067, KSTC-184-512-08-038
Office of Commercialization and Innovation

Keywords

Submerged arc welding (SAW) filet joint double-electrode (DE) predictive control heat input

ASJC Scopus subject areas

Strategy and Management
Management Science and Operations Research
Industrial and Manufacturing Engineering

Access to Document

10.1016/j.jmapro.2014.05.001

Cite this

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title = "Predictive control based Double-electrode submerged arc welding for filet joints",

abstract = "Double-electrode submerged arc welding (DE-SAW) is an innovative process to achieve the same metal deposition rate at reduced heat input. To maximally take advantage of this new capability, the heat input needed to produce acceptable welds needs to be reduced. A joint gap is successfully introduced to reduce the required heat input but it introduces variations affecting currents/heat input. To minimize the resultant variations in currents and resultant welds, the process is modeled and a multivariable predictive control algorithm is developed to control the currents at desired levels. Experiments verified the effectiveness of the resultant feedback controlled DE-SAW process.",

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AB - Double-electrode submerged arc welding (DE-SAW) is an innovative process to achieve the same metal deposition rate at reduced heat input. To maximally take advantage of this new capability, the heat input needed to produce acceptable welds needs to be reduced. A joint gap is successfully introduced to reduce the required heat input but it introduces variations affecting currents/heat input. To minimize the resultant variations in currents and resultant welds, the process is modeled and a multivariable predictive control algorithm is developed to control the currents at desired levels. Experiments verified the effectiveness of the resultant feedback controlled DE-SAW process.

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ER -

Predictive control based Double-electrode submerged arc welding for filet joints

Abstract

Bibliographical note

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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