welding current

A closed-loop control system with welding current as control parameter is founded to control the width of isothermal line of back-side welding temperature field in TIG welding of thin plate. The control of penetration and width of back side weld is achieved.

以焊接电流为控制量，研制了薄板钨极氩弧焊（TIG）背面温度场等温线宽度闭环控制系统，实现了对焊缝背面熔宽和熔透的控制。

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Influence of welding current on arc characteristic of twin-wire indirect arc welding

焊接电流对双丝间接电弧焊电弧特性的影响

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A Welding Current Controlling Circuit for Preventing Burning Through in Spot Welding of Thin

防止薄板手工电弧点焊烧穿的焊接电流控制电路

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Arc voltage and welding current are signal source.

以电弧电压和焊接电流为采集的信号源。

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Regression equation shows that one-knob linear regression coefficient for welding current target signal and welding voltage target signal in CO_2 welding process will increase with an increase in ( welding) wire diameter, but constants of regression equation will decrease.

回归方程表明，CO2焊接随焊丝直径增加，其焊接电流目标信号与焊接电压目标信号的一元线性回归系数增加，回归方程的常数项减小。

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Stepless current adjustment, steady welding current performance;

电流连续可调，焊接性能优良；

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Select water-cooled copper mold and graphite crucible as the reaction vessel, and set different welding current and duration of preparation.

氩弧熔化时分别选用水冷铜模和石墨坩埚做反应容器，设置不同的焊接电流和持续时间。

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This paper discuses some problems of reliability about ZX 7 direct current inverse electic welding machine.

讨论了ZX7直流逆变焊机的几个可靠性问题,实验结果证实了方案的有效性.

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According to detection of TIG welding pool by optical sensor, through adjustment of pulse width of welding current peak value and base value by single-chip computer, the principle and method of penetration control of peripheral welds of cylinders was introduced in this paper.

本文介绍了采用光电传感器检测TIG焊缝熔透状况。通过单片机对脉冲焊接电流峰值及基值宽度的调节，控制圆筒形管环焊缝熔深的原理及方法。

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Apply PWM + PFM control technology, constant current output, stable welding current.

采用PWM+PFM控制技术, 恒流输出, 焊接电流稳定.

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The results of theoretical analysis were confirmed through measurement of welding current and voltage, the welding shape, high-speed camera pictures and etc.

通过实际焊接过程中所测得的电流、电压波形、数值、焊缝成形、高速摄像等不同角度，对其进行论证，进一步证实了理论分析结果。

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The performance of current loop is important to an invert welding supply.

电流闭环的控制质量对逆变焊机是非常重要的.

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CO2 welding inverter with waveform control was expounded, in which the current waveform control scheme and the structure of the system were introduced.

论述了一种电流波形控制的逆变CO2焊接电源，包括电流波形控制方案、系统构成等。

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The simulation results proved that the influence of the above parameters is remarkable. It is feasible to control the arc voltage and welding current in a certain range through adjusting the pulsed parameters and the wire feeding speed of the simulation model for tandem pulsed MIG welding.

结果证明，脉冲参数及送丝速度对仿真波形的影响是比较大的，在双丝脉冲MIG焊中利用仿真模型来调节各参数以控制电弧电压、焊接电流在一定的范围之内是可行的。

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When welding current increased from 0 to 60 A, the weld width increased slightly and the ratio of bottom to top width of weld kept constant.

随焊接电流从零增大到60A，焊缝熔宽略有增大，而焊缝熔宽比基本保持不变。

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A peak current of several thousand amperes flows during the welding cycle.

在焊接周期会产生几千安培的峰值电流.

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Optimized control of dynamic and static characteristics, strong adaptability for electricity network, fast dynamic response, stable welding current, little spatter, good welding surface.

优化动静特性控制，抗网电波动能力强，动态特性优良，焊接过程稳定，飞溅少，成形好。

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This paper introduces a control system of spot welding constant current based on fuzzy logic arithmetic.

介绍了一种基于模糊逻辑算法的点焊恒电流控制系统.

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In order to improve the welding performance and reduce spattering, a current waveform controller is developed.

为改善焊机的焊接性能、减少飞溅, 研制了一种电流波形控制器.

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This article designs the way of adjusting the current of air plasma cutting& welding power source, describes the connection of triggering circuit to the integrated chip.

设计了空气等离子切焊机电源的调流方式；详细论述了集成芯片触发电路的连接调试等方面。

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In order to avoid the above defects, the communication between microcontroller and touch screen can come true recording of the welding current and voltage. It can satisfy the requirements of miniaturization and low cost.

为了避免以上缺陷，本设计以单片机和触摸屏通信实现焊接电流电压的记录，可满足焊机小型化和低成本的要求，同时大大提高了系统稳定性。

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A PI regulator with variable parameters is adopted for flexible and accurate current-waveform control, and the arc-voltage becomes robust against the variations of welding parameters.

本文采用变参数数字PI调节器，取得了好的脉冲电流波形控制效果，波形的一致性和可重复性好；弧压调节方法实现了在当前脉冲内即可控制弧压为给定电压。

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Discussion of the current field of welding path widespread use of Intelligent algorithms: genetic algorithms and Hopfield neural networks.

本文讨论了目前在焊接机器人路径规划领域广泛使用的智能算法：遗传算法和Hopfield神经网络。

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On the basis of one-knob linear regression analysis, the unified adjusting of CO_2 welding current target signal and welding voltage target signal has been realized by using hardware circuit, and welding voltage target signal can be fine adjusted.

在一元线性回归分析的基础上，应用硬件电路实现了CO2焊接电流目标信号与焊接电压目标信号的一元化调节，并且具有焊接电压目标信号的微调功能。

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The result manifests that the measuring the valid value of spot welding current of non-sine wave of the control system agrees with the one of Japan current meter MM-315 ( its precision is?%), the average different value is 59A.

考核试验表明：控制系统对非正弦波点焊电流的有效值检测与日本表MM-315（精度为±3%）的检测结果有很好的一致性，平均差值为59A；

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For austenite hi-strength stainless steel, the tensile strength of resistance spot welding increases with the welding current and welding cycle under the condition of a constant pressure.

对奥氏体高强不锈钢而言，在压力一定时，电阻点焊拉伸强度随电流和焊接周波增加而增加。

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With the microchip of PHILIPS80C552, the controller realizes the functions of welding program control, welding current wave control and trouble-shooting.

控制器基于PHIL IPS的80C552单片机设计，具有焊接程序控制、焊接电流波形调制、故障诊断等功能；

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This article introduces DSP controlled CO 2 welding short-circuit process control system, short-circuit waveform control method and arc waveform control with PI arthmetic, also it gives welding current and voltage waveforms.

介绍了数字信号处理器（DSP）控制CO2焊短路过渡控制系统，DSP软件进行短路波形控制方案和燃弧波形控制的PI算法，给出了软件控制的焊接电流、电压波形。

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A new converter integrated multi-function with constant-voltage, constant-current and welding power source

具有恒电压源、恒电流源和焊接电源功能的变换器设计

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The qualitative analysis is carried out on the behavior of the partial penetrated weld pool with welding current changing from pulsed peak value to base value during pulsed TIG welding.

对脉冲TIG焊未熔透型熔池在脉冲峰-基转换期间熔池三维形态变化行为进行了定性的分析，并从力和能量角度建立了未熔透熔池液面形态的数学模型。

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