NDLI: Research of CO2 welding inverter power source under current waveform control

Content Provider	IEEE Xplore Digital Library
Author	Shanzhong Liu Yunhao Wang
Copyright Year	2012
Description	Author affiliation: Department of Electronic and Information Engineering, Henan University of Science and Technology, Luoyang 471003, China (Shanzhong Liu; Yunhao Wang)
Abstract	STT (surface tension transition) waveform control method is efficient method to realize no splash transition and improve appearance of welding in CO2 welding process. This system directly controls welding current, and given value is the STT current waveform of the short circuit, burning arc stage which can meet to realize without splash transition and improve the appearance of welding. It designs the corresponding fuzzy PI controller, constitutes current waveform control system of CO2 welding inverter power source, and series resistance is added in welding circuit at the end of the short circuit stage to accelerate rate of descending of loop discharge current to reduce the splash and improve the appearance of welding. The simulation results show that the designed controller system can make the welding current rapidly and accurately track the given current waveform, and welding current can meet the conditions of the surface tension transition.
Starting Page	116
Ending Page	121
File Size	932297
Page Count	6
File Format	PDF
ISBN	9781467303620
ISSN	21618151
e-ISBN	9781467303644
e-ISBN	9781467303637
DOI	10.1109/ICAL.2012.6308181
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Inductance Welding CO2 gas shielded arc welding series resistance Pi control current waveform generator fuzzy PI controller surface tension transition Mathematical model Integrated circuit modeling Load modeling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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