cloud-search-optimization-algorithm

matlab（第二版) Stephen J. Chapman 著 邢树军 郑碧波译 Matlab 中文论坛首发(A good book for stduy matlab)

傅里叶变换可谓是应用于工程科学等各个领域，本文本内容少可以很好的匹配傅里叶变换各种问题(Fourier transform can be described as applied to engineering science and other fields, the contents of this article can be a good match fewer problems Fourier Transform)

根据系统的输入和输出，辨识系统的的传递函数。该系统为6阶系统，通过降阶降为2阶后，加入状态反馈和状态观测器，调整参数使2阶系统稳定，最后用于控制原6阶系统。阶跃响应和bode图效果都不错。(Based on the input and output of the system, the transfer function of the system is identified. The system is a 6 order system. After the order is reduced to 2 order, the system is added with the state feedback and the state observer, which adjusts the parameters to make the 2 order system stable. Finally, it is used to control the original 6 order system. Step response and Bode figure results are good.)

MATLAB符号计算，内容涵盖： 1 符号对象 2 符号微积分 3 级 数 4 符号方程求解 (MATLAB symbolic computation, covering: a symbolic object 2 sign symbol calculus equation 3 series 4)

说明：  锅炉汽包水位控制系统是火力发电厂中的一个重要的热工控制系统，汽包水位的 控制大多采用传统PID控制方式。但是，传统PID控制器参数的整定是在获取对象数学 模型的基础上，根据某一整定规则来确定的，不能进行在线调整，难以适应锅炉汽包 水位这样一个复杂多变的控制系统，其控制效果往往难以满足要求。 本文应用模糊控制技术，设计了一种二输入三输出模糊自整定PID控制器，对锅 炉汽包水位进行控制，实现了PID参数的自适应调节。利用MATLAB对控制系统进行 仿真。结果表明，该控制器自整定能力及鲁棒性比传统PID控制器更强，响应速度快、 精度高，同时对虚假水位有较好的控制效果。(Boiler water level control system is an important thermal power plant in the thermal control system, boiler water level Control most of the traditional PID control method. However, the traditional PID controller tuning parameters for objects in mathematics Model based on the rules to determine a whole and can not be adjusted online, it is difficult to adapt to the boiler drum Water level control such a complex system, its control effect is often difficult to meet the requirements. In this paper, fuzzy control technology, designed a two input and three output fuzzy self-tuning PID controller, the pot Steam drum level control, the PID parameters to achieve the adaptive regulation. The control system using MATLAB Simulation. The results show that the controller auto-tuning capability and robustness more than the traditional PID controller, fast response, High precision, while the water level has better control of false results.)

最小二乘法曲线拟合，可以实现利用最小二乘法拟合曲线，并显示图形，操作简单。(Least squares curve fitting, can be achieved using least squares curve fitting and display graphics, easy to operate.)

画瀑布图，这是时域信号不同频率的瀑布图绘画程序(Painting waterfall chart)

马达多种特性曲线绘制，双座标轴，随曲线走向趋势添加注释(Motors draw a variety of characteristic curve, dual axis, with the curve of the trend to add comments)

0FDM仿真程序在matlab环境下运行(0FDM simulation program to run in matlab environment)

读取matlab 文件夹中所有的文件路径 包括子文件夹的文件路径(Read all matlab folder including subfolders file path file path)