Description: 电力系统静态稳定计算一般采用小干扰法，即首先计算近似的线性微分方程组系数矩阵的特征根。然后根据特征根在复平面上的特性，判别电力系统运行的稳定性
操作说明：
请输入初始功率S0，形如a+bi
请输入无限大系统母线电压V0
请输入系统直轴等值电抗的大小Xd
请输入同步电角速度
请输入惯性时间常数Tj
请输入综合阻尼系数D-static power system stability calculation generally use small interfering, first, calculate the approximate linear equations of the coefficient matrix eigenvalue. According eigenvalue in the complex plane on the characteristics of the identification operation of the power system stability operations : Please enter the initial power S0, shaped like a bi Please enter the infinite system bus voltage V0 Please enter the system straight axis equivalent reactance the size Please enter synchronous Xd Please enter the angular velocity-- inertia time constant Tj Please enter the integrated damping D Platform: |
Size: 1024 |
Author:魏鹏 |
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Description: 基于专家系统的电能质量分析。识别程序，电压暂升，暂降-Based on expert system for power quality analysis. Identification procedures, voltage suspense liters sag Platform: |
Size: 1024 |
Author:cissy wu |
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Description: ex6_1 ～ ex6_3二项分布的随机数据的产生
ex6_4 ～ ex6_6通用函数计算概率密度函数值
ex6_7 ～ ex6_20常见分布的密度函数
ex6_21 ～ ex6_33随机变量的数字特征
ex6_34 采用periodogram函数来计算功率谱
ex6_35 利用FFT直接法计算上面噪声信号的功率谱
ex6_36 利用间接法重新计算上例中噪声信号的功率谱
ex6_37 采用tfe函数来进行系统的辨识，并与理想结果进行比较
ex6_38 在置信度为0.95的区间上估计有色噪声x的PSD
ex6_39 在置信度为0.95的区间上估计两个有色噪声x，y之间的CSD
ex6_40 用程序代码来实现Welch方法的功率谱估计
ex6_41 用Welch方法进行PSD估计，并比较当采用不同窗函数时的结果
ex6_42 用Yule-Walker AR法进行PSD估计
ex6_43 用Burg算法计算AR模型的参数
ex6_44 用Burg法PSD估计
ex6_45 比较协方差方法与改进的协方差方法在功率谱估计中的效果
ex6_46 用Multitaper法进行PSD估计
ex6_47 用MUSIC法进行PSD估计
ex6_48 用特征向量法进行PSD估计-ex6_1 ~ ex6_3 binomial distribution of the generated random data
ex6_4 ~ ex6_6 generic function value of the probability density function
ex6_7 ~ ex6_20 common distribution density function
ex6_21 ~ ex6_33 figure characteristics of random variables
periodogram function ex6_34 used to calculate the power spectrum
ex6_35 direct method using FFT signal above the noise of the power spectrum
ex6_36 recalculated using the indirect method on the example of the power spectrum of noise signal
tfe function ex6_37 used for system identification, and results were compared with the ideal
ex6_38 at 0.95 confidence interval for the estimated colored noise x on the PSD
ex6_39 at 0.95 confidence interval of the two colored noise on the estimated x, y between the CSD
ex6_40 code used to achieve the Welch method of power spectrum estimation
Welch method ex6_41 with PSD estimates, and compare different window function when the results when
ex6_42 using Yule-Walker AR method is esti Platform: |
Size: 7168 |
Author:张满超 |
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Description: 产生任意长度的M序列，并计算该M序列的自相关函数和功率谱密度函数。用于系统辨识-Generated sequence of random length M, and calculate the M series autocorrelation and power spectral density function. For system identification Platform: |
Size: 1024 |
Author:卢润戈 |
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Description: 增广的最小二乘法源程序，加以改进，可以用于动力电池的电路模型参数辨识，也可以用于超级电容的系统辨识-Augmented Least Squares source code, to be improved, can be used to power batteries of the circuit model parameters identification, super-capacitor can also be used for system identification Platform: |
Size: 2048 |
Author:王一 |
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Description: 首先提出了基于微分几何控制理论的双馈发电机非线性多输入多输
状态反馈解藕控制方案，通过非线性坐标变换和非线性状态反馈，使双
发电机的磁链和转速两个子系统实现了动态完全解藕。其次采用基于定
磁场定向的双馈发电机矢量控制，实现定子侧有功功率和无功功率的解藕
为了消除交叉藕合电动势对发电机参数的影响，采用内模控制解藕控制
案，使系统具有良好的输出动态性能。最后在分析双馈发电机的数学模
和矢量控制的基础上，提出了一种基于模型参考自适应方法的定子、转
磁链观测、发电机转速估计和转子电阻辨识算法，应用Lyapunov原理证
了估计的收敛性，并应用于上述解藕控制方案中。在对算法进行理论推
的基础上，应用Matlab/simulink，对各个算法和系统进行了仿真，检验了
算法和控制方案的可行性。
-First proposed nonlinear multi-input multi-input state feedback the decoupled control programs through nonlinear coordinate transformation and nonlinear state feedback control theory based on differential geometry doubly-fed generator, dual generator flux and speed sub-systems to achieve the dynamic completely decoupled. Secondly, based on the fixed magnetic field oriented vector control of doubly-fed generator stator side active power and reactive power decoupling in order to eliminate the cross-coupling of the electromotive force of the generator parameters using the internal model control decoupling control case, so that the system which has good dynamic performance. Finally, in the analysis of the doubly-fed generator based on the mathematical model, and vector control, a method based on the model reference adaptive stator, turn flux observer, generator speed estimation and rotor resistance identification algorithm using the Lyapunov principle permit estimated convergence, and appl Platform: |
Size: 6056960 |
Author:zhangjie |
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Description: 采用加权网络中节点强度和权重都是幂率分布的模型，在matlab环境中自动识别连通区域的大小,具有丰富的参数选项,详细画出了时域和频域的相关图，最终的权值矩阵就是滤波器的系数，搭建OFDM通信系统的框架。- Using weighted model nodes in the network strength and weight are power law distribution, Automatic identification in the matlab environment the size of the connected area, It has a wealth of parameter options, Correlation diagram shown in detail the time domain and frequency domain, The final weight matrix is ??the filter coefficient, Build a framework OFDM communication system. Platform: |
Size: 8192 |
Author:vepni |
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Description: 电力系统暂态稳定程序，可以进行暂态稳定计算,均值便宜跟踪的示例，在matlab环境中自动识别连通区域的大小。- Power System Transient Stability Program, can be transient stability, Example tracking mean cheap, Automatic identification in the matlab environment the size of the connected area. Platform: |
Size: 6144 |
Author:ruxja |
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Description: 微分方程组数值解方法，电力系统暂态稳定程序，可以进行暂态稳定计算,在matlab环境中自动识别连通区域的大小。- Numerical solution of differential equations method, Power System Transient Stability Program, can be transient stability, Automatic identification in the matlab environment the size of the connected area. Platform: |
Size: 6144 |
Author:qenmaiban |
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Description: 在matlab环境中自动识别连通区域的大小,电力系统暂态稳定程序，可以进行暂态稳定计算,计算十字叉丝的在不同距离的衍射图像。- Automatic identification in the matlab environment the size of the connected area, Power System Transient Stability Program, can be transient stability, Calculation crosshairs diffraction image at different distances. Platform: |
Size: 6144 |
Author:heiidvv |
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Description: 预报误差法参数辨识-松弛的思想，电力系统暂态稳定程序，可以进行暂态稳定计算,相关分析过程的matlab方法。- Prediction Error Method for Parameter Identification- the idea of relaxation, Power System Transient Stability Program, can be transient stability, Correlation analysis process matlab method. Platform: |
Size: 6144 |
Author:qaojinggaojai |
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Description: 电力系统暂态稳定程序，可以进行暂态稳定计算,在matlab环境中自动识别连通区域的大小,进行逐步线性回归。- Power System Transient Stability Program, can be transient stability, Automatic identification in the matlab environment the size of the connected area, Stepwise linear regression. Platform: |
Size: 7168 |
Author:henyaopei |
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Description: 电力系统暂态稳定程序，可以进行暂态稳定计算,在matlab环境中自动识别连通区域的大小,这个有中文注释，看得明白。- Power System Transient Stability Program, can be transient stability, Automatic identification in the matlab environment the size of the connected area, The Chinese have a comment, understand it. Platform: |
Size: 5120 |
Author:李继 |
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Description: Nonlinear discrete system identification, Random ppm modulated analog signal under Based on the time delay estimation of power spectrum. Platform: |
Size: 8192 |
Author:hxqtexpi
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Hits:
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