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1. 发明授权

US5130514A Control apparatus for tracing a weld line in a welding apparatus and control method therefor 失效
标题翻译：用于跟踪焊接设备中的焊接线的控制装置及其控制方法
公开(公告)号：US5130514A
公开(公告)日：1992-07-14
申请号：US520711
申请日：1990-05-08
申请人： Katsuya Kugai , Hideyuki Yamamoto , Yuusuke Niimura
发明人： Katsuya Kugai , Hideyuki Yamamoto , Yuusuke Niimura
IPC分类号： B23K9/127 , B23Q35/129
CPC分类号： B23K9/127 , B23Q35/129
摘要： There is disclosed a control apparatus and a control method in a welding apparatus for enabling a welding torch to trace a weld line with use of an oscillating process. In the control apparatus and control method, the welding torch is oscillated in the left and right directions crossing the weld line with an overpass, and an electric signal is detected responsive to changes in an arc length and a wire extension. The moving average value of the electric signal is calculated for a predetermined smoothing time interval so as to eliminate a high frequency noise component of the electric signal, and there is outputted a low-pass-filtered electric signal having a level of the calculated moving average value. Thereafter, a controller moves the center of the oscillation so as to enable the welding torch to trace the weld line responsive to the filtered electric signal.
摘要翻译：公开了一种焊接装置中的控制装置和控制方法，用于使焊炬能够利用振荡过程跟踪焊接线。在控制装置和控制方法中，焊炬在与立交桥相交的焊接线的左右方向上振动，并且响应于电弧长度和电线延伸的变化来检测电信号。以预定的平滑时间间隔计算电信号的移动平均值，以消除电信号的高频噪声分量，并且输出具有计算出的移动平均电平的低通滤波电信号值。此后，控制器移动振荡的中心，以便能够使焊炬响应于滤波后的电信号跟踪焊接线。

2. 发明授权

US4990743A Control method for tracing a weld line in a welding apparatus 失效
标题翻译：用于跟踪焊接设备中的焊接线的控制方法
公开(公告)号：US4990743A
公开(公告)日：1991-02-05
申请号：US438677
申请日：1989-11-17
申请人： Katsuya Kugai , Hideyuki Yamamoto , Yusuke Niimura
发明人： Katsuya Kugai , Hideyuki Yamamoto , Yusuke Niimura
IPC分类号： B23K9/127 , B23Q35/129
CPC分类号： B23K9/127 , B23Q35/129
摘要： A control method in a welding apparatus for enabling a welding torch to trace a weld line with use of an oscillating process is disclosed. The welding torch is oscillated in left and right directions solidly crossing the weld line. Electric signals respectively detected when the welding torch moves in the left and right directions for a time interval of the right half of the oscillation are compared with each other so as to generate a first comparative signal, and electric signals detected similarly for a time interval of the left half thereof are compared with each other so as to generate a second comparative signal. The center of the oscillation is moved in such a direction that a difference between the first and second comparative signals becomes small.
摘要翻译：公开了一种焊接设备中的控制方法，用于使焊炬能够利用振荡过程跟踪焊接线。焊枪在左右方向上振动稳定地穿过焊缝。当焊枪在振荡的右半部分的时间间隔内沿左右方向移动时分别检测到的电信号，以便产生第一比较信号，并且以将其左半部彼此进行比较，以产生第二比较信号。振荡的中心沿着第一和第二比较信号之间的差变小的方向移动。

3. 发明授权

US06744012B2 Control method of arc welding and arc welder 失效
标题翻译：电弧焊和电弧焊机的控制方法
公开(公告)号：US06744012B2
公开(公告)日：2004-06-01
申请号：US10149445
申请日：2002-06-27
申请人： Koji Ueda , Manabu Murakami , Akira Yanagita , Takeshi Yamagami , Katsuya Kugai , Yusuke Niimura , Akinobu Izawa , Rintaro Chinen
发明人： Koji Ueda , Manabu Murakami , Akira Yanagita , Takeshi Yamagami , Katsuya Kugai , Yusuke Niimura , Akinobu Izawa , Rintaro Chinen
IPC分类号： B23K9095
CPC分类号： B23K9/0953 , B23K9/0735 , B23K9/0956 , B23K9/126
摘要： A control method for arc welding wherein position control of an electrode or a torch is performed while adjusting welding conditions on the basis of optical information obtained from arc light generated during an arc welding process. Illuminance, which forms the optical information obtained from the arc light, has a certain mutual relationship with the arc length or the torch height, so that the weld control is accomplished based on the illuminance. The control method includes a step of comparing illuminance with reference information based on the mutual relationship, and a step of adjusting the welding conditions on the basis of a result of comparison.
摘要翻译：一种电弧焊接控制方法，其中，根据从电弧焊接过程中产生的电弧光获得的光学信息，调整焊接条件，进行电极或割炬的位置控制。形成从电弧光获得的光学信息的照度与弧长或割炬高度有一定的相互关系，从而基于照度进行焊接控制。控制方法包括基于相互关系将照度与参考信息进行比较的步骤，以及基于比较结果来调整焊接条件的步骤。

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