以电流给定，脉宽调制(PWM)调压调速系统为例，研究各种制动状态下的能量回馈过程。
Based on given electric current and Pulse Width Modulation (PWM) controlling system, the feedback process under each braking condition is studied.
采用IR公司的IR 2175芯片设计了电流反馈环节，使得三相定子绕组电流严格跟踪电流给定变化。
With the current feedback module designed with IR2175, three-phase winding current can follow current reference strictly.
三台航空静止变流器模块均为电压、电流双环控制，通过公用电压调节器稳定并联系统的输出电压及频率，同时产生统一的模块电流给定信号。
Each module is controlled by voltage current two closed loops. The common voltage loop controls system output voltage & frequency, and generates a common reference current signal.
每台航空静止变流器模块均为电压、电流双环控制，通过公用电压调节器稳定并联系统的输出电压及频率，同时产生统一的模块电流给定信号。
Each module is controlled by voltage-current two closed-loops. The common voltage loop controls system output voltage & frequency, and generates a common reference current signal.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
在另一些情况下，漏电可以用给定电压(通常为工作电压)下的泄漏电流来表示。
In other cases, leakage may be expressed as a leakage current at a given voltage, usually the operating voltage.
一个LED既可以在给定了电压且电流合适时亮起来，又可以在光照下生成电压(请参见参考资料部分给出的MikeCook的文章)。
An LED can both light up when given current at a suitable voltage and generate a voltage when exposed to light (see Mike Cook's article in Resources).
分析了在给定的电流密度范围内，非线性模型简化为线性模型时的相对误差。
The calculating voltage error when the non-liner models is simplified as the linear ones is analyzed with the given current density range.
在给定电阻情况下，电流和电压成正比。
With a given resistance, the current varies directly as the voltage.
通过计算机给定模拟转速和加速度设置，电流和转速反馈双闭环系统实现转速控制。
Rotate speed control is implemented via two closed-loop systems with current and rotate speed feedback, through setting up simulant rotate speed and acceleration given by computer.
利用实验结果进一步验证了简化的线性模型在给定电流密度范围内的正确性。
Moreover, the experiments are done to confirm the linear models in the give current density.
结合生产现场的实际情况，利用统计实验的方法建立了熔速-给定电流的关系模型。
Build remelting rate -current model using method of Stat. experiment combining with fact of manufacture field.
通过两输出电容电压的偏差改变电流参考给定来实现整流器输出中点平衡。
The problem of neutral-point balance is resolved by changing the amplitude of current reference according to the voltage error of two capacitors.
同时讨论了定子电流励磁分量给定信号对分岔条件的影响。
Influence ofd axis stator current reference on Hopf bifurcation was also discussed.
结合绕组电流进行转矩估算，经过转矩误差pid反馈控制，实现电机输出转矩对转矩给定指令的跟踪。
Utilizing flux linkage and phase current, the output torque is calculated, and PID control is used to decrease torque error.
如果给定结两侧的电压就可以求出通过隧道结的总电流。
The total amount of current through the junction can be calculated by giving a fixed voltage at the sides.
用调制相电流按给定规律变化的原理实现步距角的细分是一种适用的方法。
It is a practical method to realize fine-index of step-angle by means of modulation phase-current on the principle of defined change law.
通过建立PI输出和控制角的线性化函数，简化控制程序，使励磁电流快速跟踪给定电流。
Linear functions of the PI regulator output and the trigger Angle simplify the control program and make the excitation current follow the set current quickly.
AD任务用于采集电池化成时的电流电压值，用于和工艺文件给定参数比较。
The task of AD conversion gets the value of current and voltage, so as to compare with the reference value set in processing parameters.
常用的励磁控制方法主要有三种：恒励磁电流、恒功率因数、恒给定开环控制。
There are three usual methods for excitation control following constant excitation current, constant power factor, and constant setting open-loop control.
感应电机采用传统的硬起动会给定子的转矩和电流带来较大冲击，故需研究电机的软起动过程。
The soft start-up process of electronic induction motor is studied in order to avoid the enormous impulsion to its starting stator current and torque brought by direct start.
张力加权控制是将恒张力和恒力矩控制结合在一起，活套电流的给定值为两者的加权。
The tesionweighted control is the combination of the constant tension control and the constant moment control, and the set electric current is a weighted valve.
在电动机实际工作的电压和电流约束条件下，提出了多相永磁电动机的一种最佳转矩控制方法，该方法能够使电动机在给定的控制电流下获得最大的输出转矩。
Under the actual operation lim its of motor voltage and current , a high-efficiency optimum torque control met hod for poly-phase PMSM is proposed.
同时，电流闭环控制器可以快速地跟踪给定电流，因此系统可以自适应地调节环境变化，提高了无刷直流电机调速性能。
At the same time, the current loop controller traces the change of given current rapidly, so that the system can adapt to variational environment. Improved its speed performance.
如 果该充电电流超过一个预给定的充电电流阈值，那么一个可控开关就被 控制以断开该充电电流。
A controllable switch for interrupting the charging current is controlled when the charging currentexceeds a predetermined charging current threshold.
在该电容性元件被充电到该预给定的充电电压期间，该充电电流阈值被改变。
The charging current threshold is modified while the capacitive element is charged to the predetermined charging voltage.
预测运行状况基于给定系统输入电流下的预期压力和温度。
The predicted operating conditions are based on expected pressures and temperatures given current system inputs.
该系统包括转速给定、转速显示、转速检测、电压电流检测和转速控制等。
This instrument consists of rotation setting, display and detection, current sensing, and so on.
该系统包括转速给定、转速显示、转速检测、电压电流检测和转速控制等。
This instrument consists of rotation setting, display and detection, current sensing, and so on.
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