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    • 86. 发明授权
    • Image processing welding control method
    • 图像处理焊接控制方法
    • US4594497A
    • 1986-06-10
    • US736691
    • 1985-05-22
    • Youichi TakahashiKoji KashiwakuraJunichiro MorisawaMasahiro Kobayashi
    • Youichi TakahashiKoji KashiwakuraJunichiro MorisawaMasahiro Kobayashi
    • B23K9/12B23K9/095B23K9/127B23K9/10
    • B23K9/0956B23K9/127
    • An image processing welding control method comprises detection of isothermal pattern of a weld zone in the welding state through photographing the weld zone by an infrared camera; calculation of the area of the region defined by the isothermal line detected; comparison of the area with a standard area which is obtained in advance; control of welding heat input such that the area will be substantially the same as the standard area whereby a suitable welding heat is input the welding portion; detection of an asymmetric extent of said isothermal pattern; and controlling the torch position such that the asymmetric extent will be within a predetermined value, so that the torch will be strictly aligned with the welding groove center. This method enables two kinds of welding control methods, torch position control and welding heat input control, based on the same image information.
    • 图像处理焊接控制方法包括通过红外摄像机拍摄焊接区域来检测处于焊接状态的焊接区域的等温图案; 计算由等温线确定的区域面积; 面积与预先获得的标准面积进行比较; 控制焊接热输入,使得该区域将与标准区域基本相同,由此焊接部分输入合适的焊接热量; 检测所述等温模式的不对称程度; 并且控制割炬位置使得不对称程度将在预定值内,使得割炬将严格地对准焊接槽中心。 该方法基于相同的图像信息,实现了两种焊接控制方式,割炬位置控制和焊接热输入控制。