通过建模、仿真及现场试验，提出了机组并联于大电网工况下的调速器PID参数整定范围和应有的机组功率控制模式。
On the basis of modeling, simulation and field test, proposed are the PID parameter setting range of the governor under the large grid operating condition, and the power control mode of the unit.
相移器是微波系统中的常用元件，它的作用是使通过的电磁波产生一定的相位移，因此它在微波相位控制和功率合成方面具有重要意义。
Phase shifter is a commonly-used component in microwave system. Its function is to make the passed electromagnetic wave phase shift, so it's very useful on the phase control and power synthesis area.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
由于直流传送功率的改变要快于交流系统，直流系统对控制整定值能迅速作出响应。
The DC system is capable of rapid response to changes in control setting, with DC power transfer changes occurring faster than in AC systems.
分析了影响功率因数角的因素，研究了定角控制的基本原理，给出了定角控制方法的实现方案。
Elements that affect the output power factor Angle are analyzed, the basic principle of constant power factor Angle control is studied and its realization scheme is presented.
给出了大功率不间断电源(ups)的充电电路系统结构，设计出模糊自整定PID控制器。
This paper presents the basic structure of High-power UPS charging system and describes the design of a self-tuning PID controller.
充分发挥数字化控制器的优点，在同一功率定值、不同棒位下，采用不同的控制器参数能较好地满足预定的控制指标和性能要求。
Under the fixed power, the different controller parameter at the different rod positions can satisfied for the preconcerted control index and control performance.
本文在超声发生器中加入功率因数校正电路（APFC），并利用单片机控制数字电位器实现了对电压反馈网络的调节，从而实现APFC输出电压在一定范围内的自适应控制。
The self-adaptable control of output voltage could be realized under certain range by adding a APFC in ultrasonic generator and adjusting voltage feedback network with digital potentiometers.
③输入侧的功率因数在一定的范围内可以控制。
The input power factor can be arbitrarily controlled within a certain control range.
能实现定电流、定电压、定功率、定脉宽、定温控制。
To achieve constant current, constant voltage, constant power, fixed width, constant temperature control.
能实现定电流、定电压、定功率、定脉宽、定温控制。
To achieve constant current, constant voltage, constant power, fixed width, constant temperature control.
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