根据药芯焊丝水下焊接的要求，研制了一套水下焊接电弧控制系统。
At the special request of the flux-cored wire welding underwater, the welding arc control system is developed.
大面积矩形电弧蒸发源合理的设置靶源磁场并有效的控制电弧弧斑的运动是十分重要的。
It is important to set the magnetic field reasonably and to control the movement of arc on large rectangular target.
采用模糊控制技术，实现了电弧电压或短路频率的控制，提高了焊接质量。
Fuzzy control tests of arc voltage and short-circuit frequency are conducted to improve welding quality.
在电弧熔炼中，提高电极位置控制的精度是一个十分重要的问题。
It is a problem of great importance to raise the control precision of electrode position in arc smelting.
在此基础上进行了电弧炉电极调节自适应控制系统的设计，推导出了递推的离散时间模型参考自适应律。
Based on this the design of arc furnace electrode regulator adaptive control system is made, the rule of discrete-time model reference adaptive control is proven.
MW直流电弧的电流控制采用2台整流变压器控制，通过调节晶闸管桥触发角构成24脉波整流电路。
MW DC arc furnace uses the current 2-transformer rectifier bridge thyristor controlled by adjusting the angle trigger to compose 24 pulse wave rectifier circuit.
晶闸管控制电抗器(TCR)以较好的解决电弧炉的无功补偿问题。
Among familiar compensators, Thyristor controlled reactor (TCR) is suitable for compensating the arc furnace.
提高电弧炉炼钢生产率主要基于以下几项新技术，包括改善电弧炉电效率、强化供氧技术、智能控制技术（专家系统）等。
The primary new technologies that improve the productivity of EAF mainly include EAF power input technology, oxygen input technology and EAF intelligent control technology(expert system).
设计了一种基于等离子电弧电压检测的割炬高度控制系统。
A plasma torch's height control system which is based on plasma arc voltage measuring is introduced.
激光-电弧复合焊接过程中，由于引弧产生的高频干扰了激光器的控制系统，造成了激光和电弧不能实现复合焊接。
In the course of laser-arc hybrid welding, the high frequency caused by drawing arc interfered the control system which make the laser and electric arc not able to realize the hybrid welding.
在脉冲真空电弧离子镀膜过程中，膜层厚度的控制至关重要。
Its very important to control the thickness of the film in the process of the pulsed vacuum arc deposition (PVAD).
采用温度控制外环和电流平衡控制内环的双闭环结构实现电弧炉温度和电极三相电流平衡的智能集成控制。
The control system is made of double closed loops: the inner current loop and the outer temperature loop, and satisfies the EAF's temperature need and three phase current balance.
作为一种广泛应用的螺柱焊接方法，电弧螺柱焊技术具有焊接效率高，易于实现自动化控制等优点。
As a widely used welding method, arc stud welding technology has some superiority in higher welding efficiency and in easier to achieve automatic control etc.
为满足高生产率和现代电弧炉的需要，绝缘和控制尚须进一步改进。
But, its insulation and control should be improved furthermore to meet the needs of high productivity and modernization of the electric arc furnaces.
所以控制电弧后拖是高速焊改善焊缝成形的关键。
Use alternating transverse magnetic-field to control dragged arc, overcome weld undercut, and improve the appearance of weld.
研究结果表明：供电、供气、控制等系统经过适当改造，电弧加热器可以实现变参数运行。
The results indicate that the arc heater can run with transient parameter when the power supply system, air supply system and control system were reformed appropriately.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
Two PI adjustors were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
Two PI adjusters were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
根据电弧电压偏差信号及电弧状态，设计了四个控制规则及其控制参数的计算方法。
According to the signals of arc voltage errors and arc state, four control regulations and counting measure of control parameters are designed.
新的控制技术使引弧性能更好，可通过电弧力旋钮调节电弧的柔和性，选择您最舒服的电弧。
New controlling technology make better performance of starting arc, it can choose the most comfortable electric arc by adjusting the electric arc force knob.
用光谱窗口替代光谱仪是实现熔滴过渡电弧光谱信息在线控制的基础。
Using spectrum window replace spectrum meter is a precondition to control droplet transfer with spectral information online.
实验结果表明，该控制系统动态响应快速，配合波形控制有效地提高了电弧稳定性。
Experimental results show that the control system has fast dynamic response and improves arc stability effectively with the waveform control.
在MATLAB6.5环境下，通过编写和调试m文件，对电弧炉电极调节系统PD控制器进行设计与仿真。
Afterwards, the PD-controller of electrode regulator system of electric arc furnace is designed and simulated on MATLAB6.5 by compiling and debugging M-files.
用模糊聚类分析的方法对电弧冶炼炉的几种主要随机干扰进行辨识，并在此基础上设计了电弧冶炼炉模糊控制系统，取得了良好的控制效果。
Several main random noises of arc furnace are identified by fuzzy cluster analysis method. A fuzzy control system of arc furnace is designed, and good control result has got.
文章介绍了智能控制在电弧炉炼钢过程电极升降控制中的应用。
This paper introduces the application of intelligent control to electrode elevating control among arc steel-making course.
结果显示，气流的改变主要受电弧瞬时功率控制，最大流量不是发生于压力峰值时刻而是出现在电流过零时。
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
试验结果表明该控制系统响应速度快，控制精度高，可实现对电弧电压的稳定控制。
The result shows that this control system responds quickly with high control precision and can control the arc voltage steady.
该系统是国内第一套用于微碳铬铁电弧精炼炉过程控制的全计算机化的控制系统。
It is the first fully computerized system for the process control of arc refiners in China.
试验中发现，采用模糊专家控制系统对焊接过程进行闭环控制时，焊丝干伸长及电弧弧长对焊接过程稳定性和焊缝成型有重要影响。
The experiment show that wire extension and arc length can influence the stabilization of welding process and the welding-seam modeling when using fuzzy-expert system .
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