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JIANG Lipei, ZOU Yong, YU Jianrong. Self-adaptive control method of the pulsed CO2 welding inverter[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (2): 1-3.
Citation: JIANG Lipei, ZOU Yong, YU Jianrong. Self-adaptive control method of the pulsed CO2 welding inverter[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (2): 1-3.
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Self-adaptive control method of the pulsed CO2 welding inverter

  • 1.

    Opto-Mechatronic Equipment Technology Beijing Area Major Laboratory, Beijing Institute of Petro-chemical Technology, Beijing 102617, China

  • 2.

    Opto-Mechatronic Equipment Technology Beijing Area Major Laboratory, Beijing Institute of Petro-chemical Technology, Beijing 102617, China;School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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  • Received Date: September 14, 2008
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    • Abstract
  • The pulsed CO2 welder, which controls its pulse current wave by the constant current control method, is need to solve an important problem of automatical regulating the pulsed CO2 welding arc voltage, since without the constant arc voltage output curve it will lose the ability of self-adjusting arc length.In this paper, a new method is proposed for self-adaptive control of the pulsed CO2 welding arc voltage.Its operating principle is through arc voltage feedback control of the peak current time to make the pulsed CO2 welder yield sloping output characteristics so as to realize the self-adaptive adjusting of its arc voltage.By taking the slope rate as the criterion of its algorithm, this control method can determine the slope rate of welder output curve and adjust the self-adaptive control intensity in quantity.
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