A three-phase model is brought out.
提出了三阶段的研究模式。
The process you can use to develop a governance model is based on a three-phase approach.
开发治理模型的流程基于一个具有三个步骤的方法。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
The thesis introduces a three phase AC motor's mathematical model in static reference frame and a simulation system for AC motors to develop a vector control inverter system.
针对三相异步电机矢量控制系统的要求，根据在静止坐标系统中异步电机的数学模型，进行了系统仿真。
A simulation model of the three-phase rectifier is described, and a CSimulateBase class and a CRectifier class are designed by the means of Object-Oriented method.
该文描述了三相整流桥的一种仿真模型，并采用面向对象的方法建立了一个仿真基类和整流桥类。
The lattice model combined with statistical methods is employed to analyze the equivalent macro mechanical properties of three dimensional two phase materials.
采用格形模型和统计方法分析了三维两相材料的宏观等效力学性质。
Three phase models of typical elements , especially the model of railway drawing substation , are provided .
给出了典型元件的三相模型，特别是给出了铁道牵引变电所的三相模型。
The echo model of moving target is established based on three channels with the slant-placed antennae in terms of the equivalent phase center principle.
利用等效相位中心原理建立了天线斜置情况下三通道运动目标回波信号模型，给出了天线倾斜角对动目标检测、最小可检测速度和盲速的影响。
The mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
The paper presented a mathematic model and control strategy on a three-phase voltage type rectifier under indirect current control.
该文对基于间接电流控制三相电压型整流器的数学模型和控制策略进行研究。
Based on the mathematical model of the single pore electrode, the effective three-phase boundary length of the electrochemical reaction is defined and calculated.
在单孔电极模型基础上定义了电化学反应的有效三相分界线长度概念，并给出了对应的计算方法；
Non-linearization model of three-phase voltage source rectifier is translated into the controlled linearity system(Brunovsky model) by the precise state linearity in the thesis.
通过采用状态反馈精确线性化方法，将三相电压型整流器非线性化模型转化为完全可控的线性系统布鲁洛夫斯基标准型。
A plan for designing and setting up a model of moving graph for the symmetrical three phase voltage is proposed, and it is developed and used in the microcomputer.
提出建立一个发生对称三相电压的动画模型，对其进行规划设计，并在微型计算机上开发实施。
Satellite attitude control flywheel is driven by three-phase alternate commutating brushless DC motor, schema of which is torque control model (current feedback).
卫星姿控飞轮是由三相轮流换向无刷直流电动机驱动的，采用力矩控制(电流反馈)模式。
In order to make more effective control of universal power quality controllers (UPQC), an outer loop model for the voltage loop in a three-phase three-wire UPQC is proposed in the paper.
为了对通用电能质量控制器直流侧电压进行更为有效的控制，提出一种用于三相三线通用电能质量控制器(UPQC)直流侧电压控制的外环模型。
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
建立了三相电压型PWM整流器电流控制数学模型，输入电流在静止坐标系下实现了固定开关频率的解耦控制。
It can be seen from model experiment that the Total Harmonic Distortion (THD) of the current in the three-phase rectification circuit can be reduced from 30% to about 10%.
通过模拟试验证明，三相整流电路交流侧电流中的谐波含量由原来约30%下降到约10%。
Transient parameters and numerical calculation model are fundamental to evaluate the traveling wave on very fast transients in three-phase enclosed GIS.
数值计算模型和参数的确定，是三相同壳结构GIS快速暂态过程行波分析的基础。
Based on constituent quark mass and current quark mass model, the phase transition of two-flavor quark matter to more stable three-flavor quark matter in the core of supernova is studied.
分别基于组夸克质量模型和流夸克质量模型，讨论了超新星核心区两味夸克物质到更稳定的三味夸克物质的相变过程。
A three-phase composite sphere model is presented for the prediction of Young's modulus of concrete.
提出了混凝土杨氏模量预测的三相复合球模型。
Base on the feedback linearization theory for nonlinear systems, presenting a nonlinear model for three phase voltage source PWM and designing a nonlinear controller.
基于非线性系统反馈线性化理论，建立了三相电压型PWM整流器非线性模型，设计了一种非线性控制器。
The model is an effective method, which can be used for pressure drop of oil gas water three phase vertical upwards slug flow in which the continuous liquid phase is water phase.
本模型是计算垂直油-气-水三相弹状流中液相的连续相为水相时的压力降的有效方法。
A three dimensional incompressible gas-liquid two-phase flow model was proposed to accurately simulate the fluid flow of casting's mould filling process.
为了更精确地模拟铸造充型过程的流动行为，建立了充型过程的三维不可压缩气。液两相流动模型。
With three phase algorithm which takes asphaltene precipitation into account, the technique can model asphaltene precipitation quantitatively.
用考虑沥青沉降三相闪蒸数值算法，能对沥青沉降进行有效的量化模拟计算。
The numerical simulation software for horizontal Wells is developed based on three-dimensional three-phase black oil model.
运用该方法在三维三相黑油模型基础上编制了水平井数值模拟软件。
A model for confirming this infiltration field is presented by soil, water and atmosphere three-phase coupling.
将土-水-气三相耦合，提出了一种确定降雨入渗后的暂态渗流场的模型。
Flow boiling heat transfer mechanism in a three-phase circulating fluidized bed evaporator is analyzed, and then the heat transfer model used for wheat straw black liquor is proposed correspondingly.
建立了适用于烧碱法麦草浆黑液系统的三相循环流化床传热模型。
At last, three-dimensional mathematical model of gas-particle two phase turbulence was established, and it was adopted to study the gas-particle two phase rectangular jet as well.
最后，在前面二维模拟的基础上，建立了三维气粒两相湍流流动数值模拟的数学模型，并用此模型对气粒两相气粒两相矩形射流进行数值研究。
A new photometric theory of Eros based upon a three-axis ellipsoid model at full phase obeying Lommel-Seeliger 's law is presented.
并且，在该小行星的形状取三轴椭球体和在几何反射定律等假定之下，给出了关于该小行星的光度变化理论。
A new photometric theory of Eros based upon a three-axis ellipsoid model at full phase obeying Lommel-Seeliger 's law is presented.
并且，在该小行星的形状取三轴椭球体和在几何反射定律等假定之下，给出了关于该小行星的光度变化理论。
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