小信号模型

改进的Boost变换器小信号模型及其应用

Improvement and Application of a Small Signal Model for Boost Converter

并且通过小信号模型分析，对电压电流环的PI调节器进行设计。

And the control parameters including the PI controller is designed for the two closed loops using the method of the small signal model analyzing .

单周期控制三相PWM整流器电压环小信号模型

The Small-Signal Model of Voltage Loop of Three-Phase PWM Rectifier Based on One-Cycle Control

GaAsFET/pHEMT器件小信号模型电路的确定

Determining the small-signal model circuit for GaAs FET / pHEMT

应用遗传算法提取GaAs场效应管小信号模型参数

GaAs FET Small-Signal Model Extraction Using Genetic Algorithm

该文以2台单相UPS无互联线并联为研究对象，提出了基于下垂特性控制的2台并联逆变器系统的小信号模型。

This paper presents a small-signal model for two paralleled single-phase UPS systems with the droop control scheme .

与Z源逆变器的小信号模型相比较，本文建立的大信号模型可以更为准确地反应Z源逆变器的实际工作电压、电流状况。

Compared to the small-signal model , the proposed large-signal model can reflect more accurate of its voltage and current .

一种优化微波FET小信号模型的新方法

A New Method for Optimizing the Microwave FET Small-Signal Mode

首先建立了平均电流控制型的BOOSTPFC变换器和Buck变换器的小信号模型。

The dissertation includes five chapters . At first , the average-current controlled Boost PFC and Buck converter small-signal model are estabished .

同时开发了SiGe基区HBT的直流瞬态模型和小信号模型。

A DC transient model and AC model for SiGe base HBT 's are also developed .

第三章通过逆变器平均模型和小信号模型的分析，给出了传统PI控制和重复控制下逆变器性能的比较；

Chapter 3 establishes average model and small-signal model , and compares the performances of inverter with conventional PI control and with repetitive control strategy .

一种新的HEMT小信号模型参数提取方法

A New Parameter-extraction Method for HEMT 's Small-signal Model

最后是分析了PHEMT器件的小信号模型。

Finally , the small - signal model of the PHEMT was developed .

描述了基于电荷控制的反激单级功率因数校正（PFC）变换器的特性及其小信号模型。

In this paper , the small-signal model and properties of Single-Stage Flyback Power Factor Corrector Employing Charge Control is introduced summarily .

提取FET管的内部参数，建立正确的高频FET小信号模型。

The internal FET parameters is extracted , the establishment of the correct high-frequency FET small-signal model is built .

以非线性电感模型为基础，进一步推导，得到基于小信号模型的PI控制器设计方法。

Based on the nonlinear model , the paper builds up simulation model under Matlab / Simulink environment and work out a PI controller by small signal method .

利用基本建模法建立了CCM下变换器主电路的小信号模型，得到系统传递函数。

The small signal model of their main circuits in CCM is derived by Basic Modeling Method and transfer function is established .

通过对该模型进行线性化处理，得到以丢包率为输入、瓶颈路由器队列长度为输出信息的TCPVEGAS/AQM系统的小信号模型。

The model is then linearized to derive a small signal model between the packet marking probability and the bottleneck router queue length as the input and output of the TCP Vegas / AQM system .

方法二是同步坐标系下的电流分量分析法，通过在任意坐标系（d，q）下，建立感应电机驱动齿轮传动系统的联合加载小信号模型，并给出了系统递函数的表达式。

The second analysis of current component based on synchronous reference frame , through arbitrary coordinate system , establish combination loading small signal model of gear transmission system and show the expression of system transfer function .

通过分析占空比丢失造成的影响，建立了移相全桥ZVSDC-DC变换器的大信号模型和小信号模型。

The small signal model and large signal model of FB ZVS DC-DC converter is set up by analyzing the effect of the duty cycle loss .

介绍了以Boost变换器为主拓扑结构，平均电流控制模式下PFC电路的工作原理，并在准静态分析法的基础上，建立了系统的简化小信号模型。

The paper researches the operation principle of PFC circuit with Boost CCM averaged current mode control , it builds the simplified small signal model of the system by using quasi-static analysis method .

文中阐述了以PWM推挽变换器为例的建模过程，得到了PWM推挽变换器工作在连续状态的动态大信号、DC及小信号模型，并进行了计算机仿真分析，结果令人满意。

As an example , a procedure for mo-deling the PWM push-pull converter is presented . Dynamic large signal , dc and small-signal circuit mo-dels of PWM push-pull converter are derived . It satisfies the simulated models .

本文利用小信号模型对基于半导体光放大器（SOA）交叉增益调制（XGM）波长转换器的噪声变换进行了理论分析和数据计算。

Noise transfer characteristics of wavelength converters based on cross gain modulation ( XGM ) in semiconductor optical amplifiers ( SOAs ) is analyzed with a small signal model .

本文分析了两路交错并联双管反激变流器的工作模式，采用开关平均法建立了电流断续模式（DCM）下的变流器小信号模型。

The operation modes of the interleaved double-transistor flyback converter have been analyzed . The DCM small signal AC model using the averaged switch method has been built up .

最后，给出了全桥软开关电路的小信号模型，分析了软开关技术的引入对传统PWM硬开关全桥电路小信号模型的影响。

Finally , the small-signal mode of the soft switching full bridge is given . The effect of the soft switching technology is analyzed which makes the small-signal mode slightly different from that of the traditional PWM hard switching topology .

建立以母线为核心的分流器，蓄电池充电调节器（BCR），蓄电池放电调节器（BDR）和太阳阵的交流小信号模型；

The small signal AC models of the shunt , the battery charge regulator ( BCR ) and the battery discharge regulator ( BDR ) are developed .

应用这种小信号模型，依据变换器的动态性能指标对ZVZCS全桥PWM变换器中谐振元件的参数进行设计，可以使这种软开关变换器的性能得到进一步的提高。

By using the method the resonant component parameters of the converter can be designed correctly according to the request of the dynamic response . And the performance of this kind of soft-switching converter can be improved further .

采用电流反馈型并网控制方案，对单相光伏并网逆变输出级建立小信号模型，推导开环逆变系统的传递函数，分析开环系统的性能，并用PI控制器进行了系统校正。

Adopt current feedback type grid-connected control method , and establish a small-signal model of the single-phase PV grid-connected inverter output stage , and conclude transfer function of open-loop invert system , and analyze the performance of open-loop system , and correct system with PI controller .

为了实现并网后的电流控制，推算了三相逆变器LCL滤波器的状态空间方程，然后利用小信号模型对方程进行线性处理，实现了电压电流的解耦控制。

This thesis calculates the state space equations of three-phase inverter LCL filter , and then uses the small signal model of linear equations to realize the decoupling control of voltage and current .

在此基础上建立了小信号模型，并与Buck电路和ZVS-FBPWM的小信号模型比较，结果表明ZVZCSFB-PWM的小信号模型明显异于后两者。

Comparing with the small signal models of the Buck converter and the ZVS-FB PWM converter , the paper indicates that the ZVZCS small signal properties are significantly different from the latter .