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GAO Zhonglin, HU Shengsun, YIN Fengliang, WANG Rui. Simulation of feedback linearization and sliding mode control in GMAW systems[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2007, (6): 53-56.
Citation: GAO Zhonglin, HU Shengsun, YIN Fengliang, WANG Rui. Simulation of feedback linearization and sliding mode control in GMAW systems[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2007, (6): 53-56.
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Simulation of feedback linearization and sliding mode control in GMAW systems

  • 1.

    College of Material Science and Engineering, Tianjin University, Tianjin 300072, China

  • 2.

    College of Electrical and Automation, Hebei Technology University, Tianjin 300130, China

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  • Received Date: July 09, 2006
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    • Abstract
  • An investigation was made to the gas metal arc welding (GMAW)systems, and further for the control purpose a dynamic system and control model was proposed according to the characteristics of the GMAW systems.By means of the feedback linearization procedure of differential geometry, an equivalent, fully controllable and linear model was derived via a homomorphic transformation and a sliding mode controller was constructed for the GMAW system.The simulation results by Matlab showed the effectiveness of the proposed controller and the method is satisfied with exact control of welding arc length.
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