Theoretical analysis and experimental results verify that the dual closed loop repetitive control based inverter has high output energy quality and low THD of grid-connected current.
理论分析和实验表明，基于双闭环重复控制的并网逆变器具有较高的输出电能质量和较低的并网电流谐波畸变率。
Utilizing the linearity peculiarity of the exciting current of magnetic powder brake and brake moment, the closed loop control system is designed.
利用磁粉制动器的励磁电流与制动力矩成线性关系这一特性，设计了闭环张力控制系统。
The closed -loop control system of position, velocity, current using Limited Angle Brushless DC Torque Motor is designed and simulated and its reliability is designed.
完成了有限转角无刷直流力矩电机的位置、速度、电流闭环控制系统的设计和仿真，并完成了控制系统的可靠性设计。
A new equipment for simulated the performance of propeller load is introduced in this paper, it's an all digital DC torque servo system using torque closed loop and current closed loop control.
介绍一种新型的螺旋桨特性负载模拟装置，它是全数字控制的直流转矩伺服系统，采用转矩电流双闭环控制方式。
The circuit has the function of thermal shutdown, current limiting and closed control loop of current and voltage.
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。
In particular, the three closed loops including position loop, current loop and speed loop, and the hardware structure of the control system were described in detail.
详细介绍了控制系统采用的硬件结构和位置环、电流环和速度环三闭环控制方法。
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.
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 paper takes advantage of a double closed-loop control method based on average-current mode and improves the static and dynamic performance of the converter.
论文采用了平均电流模式下的双闭环控制，提高了变换器的动态性能和稳态性能。
Software of the drive and control system realizes the current and speed closed-loop control, which contain PI adjuster.
软件部分是主要是实现对直线电机电流和速度的双闭环控制，电流和速度的调节均采用PI调节。
The closed - loop control of voltage and current differential has being used to depress the current oscillation, and this provides some reference for designing and manufacturing VVVF products.
采用电压和电流微分闭环控制，能有效地抑制电流振荡，为VVVF设计和制造提供了参考。
Closed loop structure is adopted in this control system, the current and voltage of welding is used as feedback quantity.
该控制系统采用闭环结构，焊接电流、电弧电压为反馈量。
The current closed-loop system is composed of current controllers that control variable parameter PI.
并通过变参数PI数字电流控制器构成电流闭环系统。
Secondly, the DC voltage loop and inner current closed-loop control method, both to ensure zero static error of the inverter output, but also to ensure that the inverter output waveform.
其次，本文采用直流电压外环、电流内环的双闭环控制方法，既保证了逆变器输出的静态误差为零，又保证了逆变器良好的输出波形。
Again, on the foundation of hardware, the software used modular programming to achieve the speed and current double closed loop field oriented control.
再次，在硬件的基础上，软件采用模块化编程，实现了转速和电流双闭环磁场定向控制。
A closed loop control system is formed by current and Voltage feedback system by means of HALL sensor and potentiometer.
借助输出电压采样和霍尔元件，设计了电流、电压反馈电路，形成了闭环控制系统。
The dynamic positioning system is a closed loop control system which resists against the disturbance by wind, wave, and current with the help of thrusters on the vessel.
动力定位系统是一种闭环控制系统，采用推力器来提供抵抗风、浪、流等作用在船上的环境力，从而尽可能使船舶保持在海平面要求的位置上。
The alternate current line side realizes the decoupling control of active power and reactive power through double closed loop and the stability of direct current voltages at the same time.
交流电网侧通过双闭环控制，实现有功功率和无功功率的解耦控制，同时具有稳定直流母线电压的能力。
In the design of the software part, this paper gives the software design of open-loop control with SPWM and the software design of voltage-current double closed-loop control.
在软件设计部分中，首先进行了开环系统软件设计和电压电流双闭环控制系统软件设计。
The test results show that the control system can realize starting, speed adjustment, clockwise and anti-clockwise running and current closed-loop control functions of motor.
调试结果表明，控制系统可实现电机启动、调速、正反转和电流闭环控制。
The chip of TL494 functions very strong, and its operation frequency is high. The double closed loop control of output voltage and current is realized by integrating some simple hardware circuit.
TL 494芯片功能强，工作频率高，通过外扩简单的硬件电路即可实现输出电压电流的双闭环控制。
In this paper, a mathematical model of static frequency converter starting with current and frequency closed-loop control for pumped storage units is established.
本文建立了抽水蓄能机组静止变频器在电流、频率闭环控制下的数学模型。
Outer inner voltage-current dual closed loop control system to improve the system accuracy and stability of the output and improve the system dynamic response.
采用电压外环电流内环双闭环控制系统，提高了系统的输出的精度和稳定性，改善了系统动态响应特性。
Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
对交流调压电路进行了进一步的研究，利用起动电流信号作为反馈量，对三相感应电动机软起动控制系统进行闭环控制。
Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
对交流调压电路进行了进一步的研究，利用起动电流信号作为反馈量，对三相感应电动机软起动控制系统进行闭环控制。
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