chapter-4

This paper discusses the impact of HVDC on Power System Stability and proposes a new control mechanism based on Fuzzy set theory to augment dynamic performance of a multi-machine power system. To have good damping characteristics over a wide range of operating conditions, deviations in speed and acceleration of the machines are chosen as the input signals to the fuzzy controller. These input signals are first characterized by a set of linguistic variables using fuzzy set notations .The fuzzy relation matrix allows a set of fuzzy logic operations that are performed on controller inputs to obtain the desired output. The effectiveness of the proposed controller is demonstrated by a multi-machine system example. The performance of this fuzzy controller, in comparison to the conventional fixed gain controller, demonstrates the efficacy of this new fuzzy PID controller. Index Terms—HVDC, Eliminated variable

汽车变速箱的扭震模型。可以用来描述变速器的振动特性，本人自己编写的。(very perferct model of the gear box.)

西门子公司关于模块化多电平的原理介绍paper，讲解的很不错(helpful principle paper of a multi level converter from Siemens )

matlab宝典.pdf 学习matlab的好资料(matlab Collection. pdf good information to learn matlab)

preconjgrad：预处理共轭梯度法求线性方程组Ax=b的解 conjgrad：共轭梯度法求线性方程组Ax=b的解 twostep:两部迭代法求线性方程组Ax=b的解 fastdown:快速下降法求线性方程组Ax=b的解(preconjgrad: preconditioned conjugate gradient method for solving linear equations Ax = b solution conjgrad: conjugate gradient method for solving linear equations Ax = b solution twostep: Two iterative methods for solving linear equations Ax = b, Solution fastdown: rapid descent method for solving linear equations Ax = b solution)

关联维数计算matlab 源代码 将此用于混沌分析理论(Calculation of correlation dimension)

《数字图像处理及MATLAB实现》杨杰 MATLAB 环境下的图像变换、图像增强、图像复原、图像压缩、小波变换等等完整源代码(The digital image processing and MATLAB Yang jie MATLAB environment image transformation, image enhancement, image restoration, image compression, wavelet transform, and so on complete source code )

基于严格博弈论的干扰对齐算法，将博弈论与干扰对齐相结合。(Based strictly on game theory interference alignment algorithm, Game Theory and interference alignment combined.)

基于matlab的汽车制动系统和ABS系统的仿真，有5个.m后缀文件，可以完美运行。(Matlab simulation of automotive brake systems and ABS system based, there are five. M file extension, you can run perfectly.)

个人编写的提取音频信号的时域特征参数短时平均过零率及短时平均能量的matlab源程序。供大家参考(Extraction of individual preparation of the audio signal in time domain characteristic parameters of short-term average of zero-crossing rate and short-time average energy of the matlab source. For your reference)