The double steps external characteristic of the welding rectifier is realized by closed loop feedback and PID arithmetic.

通过闭环反馈及PID算法实现了焊机的双阶梯形外特性。

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The circuit is divided into full bridge module, charge sense amplifier module, correlated double sampling and holding module, closed-loop feedback module, low-pass filter and time controlling module.

检测电路分为全桥平衡模块、电荷放大器模块、信号放大模块、相关双采样模块、采样保持模块、闭环反馈模块、低通滤波模块和数字时序控制模块。

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The d. c. traction portion of which comprises current and voltage feedback to form double closed-loop speed adjustment system.

该机的直流牵引部采用具有电流反馈和电压反馈的双闭环调速系统。

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