主要用于变频器控制回路中微弱电压、电流信号的控制。
It is suitable for control weak voltage current signal in the frequency converter control loop.
本文设计了基于DSP56F805，由速度和电流反馈控制回路构成的伺服系统实时仿真软件，并给出了其设计和编制过程。
This paper illustrates the emulation software architecture of the system based on DSP56F805. The design and implementation of the speed and current feedback loop are described in detail.
详细分析了交流接触器在不同使用条件下的闭合与分断时触点两端电压与回路电流情况，并研究了AC1～AC4工作制下的控制时序。
The conditions of voltage between contactors and current in main circuit under different using types are analyzed in detail, then designed the control sequences with working mode AC1-AC4.
对系统总体设计方案进行了研究分析，硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。
The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.
飞轮控制系统是个多回路系统，内回路为电压稳定回路，外回路在不同的工作模式下分别为电流回路和转速回路。
Flywheel control system has two closed loops, the inner is voltage stabilization loop, other is current loop or is speed loop in different mode.
针对扫描镜精密伺服系统，本文采用按照电流环、速度环和位置环等三个回路进行控制系统设计的开闭环复合控制方案。
The scanning mirror precise servo system is designed by the scheme of compound control of open and closed loops with current, velocity and position loops in this paper.
该电路具有过热保护、短路保护功能和电流、电压闭环控制回路功能。
The circuit has the function of thermal shutdown, current limiting and closed control loop of current and voltage.
在引入了跨导线性原理后，利用混合跨导线性回路完成了对电压跟随器的设计，进而得到了双极管型电流控制传送器。
After introduction of the tranlinear loop principal, the BJT current controlled conveyor has been designed by using mixed tranlinear loop voltage follower.
在燃弧阶段，调节控制回路参数，控制燃弧电流的变化速度，保证充足的燃弧能量。
During the arc time, changing rate of current could be adjusted by modulating the parameter of the control circuit, which ensures the proper output power of the arc.
对焊接电流进行反馈恒流控制，自动补偿网压波动、二次回路感抗变化对焊接电流的影响；
The variety of current can be automatic compensated caused by undulating of voltage & secondary loop inductive reactance.
经改进控制回路后有效根除了真空泵电流波动的故障。
The trouble of fluctuating current for vacuum pump has thoroughly been removed through an improvement of controlled circuit.
焊接初级回路采用双向水冷可控硅控制，保证电流输出平衡，可靠。
Welding primary windings adopts two-way water-cooled silicon-controlled rectifier control, ensure that current output balance, and reliable.
加工过程中，通过数据采集卡检测电极间的加工电压变化或者回路中的电流变化，自适应控制电极间的端面间隙。
The gap between the electrodes can be self-adaptive controlled by detecting the voltage or the current changes during the machining duration.
该系统主回路为高低高结构电流源型变频器，采用单片机为核心的数字控制器，其控制策略采用转子磁通定向直接矢量控制。
This system is a high low high CSI, of which controller is based on a single chip computer. The control strategy adopts vector control.
电压、电流真有效值变换精度高、速度快，电压真有效值负反馈闭环控制主回路网压波动补偿精度高；
The RMS converters of voltage and current have the advantages of high speed and precision, and with the feedback of RMS, the fluctuate of power voltage can be compensated at high precision.
线圈回路中串接有由电容和电流放大器组成的控制电路。
A control circuit which is composed of a capacitor and a current amplifier is connected in a coil circuit in series.
可变开关频率为缓解这个问题，一种新型的准DPC控制策略与电流回路通过PWM整流器瞬时功率的分析表示。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power.
从模拟结果可知，由于电压外回路的快速直流链稳压控制，使得负载电流回授电路可予以去除来降低成本。
The simulation demonstrates that the load current feed-forward term can be removed to cut the cost because of the fast DC-link voltage regulation.
主回路采用由18个晶闸管组成的三相零式电路，并辅以晶闸管的保护电路，通过控制可以得到低频正弦波的电压（电流）输出；
The main circuit is consisted of 18 thyristors circuit and protection circuit. With the help of control subsystem, it can get the output of low frequency voltage (current) with the shape of sine wave;
在电流回路方面，借由预测电感电流之变化以产生所需之控制力，使系统具有快速的动态响应。
In the current loop, a predicted current control method is proposed to ensure the system to achieve fast dynamic response.
为此，提出了新的控制策略，该控制策略通过检测并消除指令中的零序分量，以破坏无零序电流回路系统的零序电压正反馈条件，消除DVR注入零序电压的不良影响。
So a new control strategy is proposed to detect and suppress the influence of zero sequence component injected by DVR. Simulation results show that the proposed strategy is co…
为此，提出了新的控制策略，该控制策略通过检测并消除指令中的零序分量，以破坏无零序电流回路系统的零序电压正反馈条件，消除DVR注入零序电压的不良影响。
So a new control strategy is proposed to detect and suppress the influence of zero sequence component injected by DVR. Simulation results show that the proposed strategy is co…
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