Volume 6 Number 4 (Apr. 2011)
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JCP 2011 Vol.6(4): 705-710 ISSN: 1796-203X
doi: 10.4304/jcp.6.4.705-710

H2/HRobust Controller of the Arc Welding Inverter Power

YAN Jun-rong1, LIU Hai-kuan1, LIAO Ping2, GAN Liang-zhi1, LIU Li-jun1
1College of Electrical Engineering and Automation of Xuzhou Normal University,China,221116
2College of Material Science and Engineering, Jiamusi University,Jiamusi ,China ,154007


Abstract—There are a lot of interference sources in the system of the arc welding inverter power. In this paper, a small-signal model which was built by the method of statespace average was quoted. A control system which comprised an interference of load resistance and an interference of power supply fluctuation was built. A H2/H∞ state -feedback controller was designed in the method of LMI. The simulation indicated the result, which the interference of power was measured by H2 norm so that the output of the system was influenced weakly, and the interference of arc load was measured by H∞ norm so that the system was robust.

Index Terms—Arc welding inverter power; H2/H∞controller; LMI

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Cite: YAN Jun-rong, LIU Hai-kuan, LIAO Ping, GAN Liang-zhi, LIU Li-jun, "H2/HRobust Controller of the Arc Welding Inverter Power," Journal of Computers vol. 6, no. 4, pp. 705-710, 2011.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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