tuning PID by PSO

力学中的 PSD 方法，用来进行滤波, 可以调节窗口大小(PSD method of mechanics, used as a filter)

腐蚀算法，形态学算法中比较基本的操作-腐蚀，通过MATLAB编程实现，(corrosion algorithm, morphology algorithm relatively basic operation-corrosion, through MATLAB programming,)

说明：  平均周期图法和平滑平均周期图法估计功率谱 从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz，时间序列长度2048，FFT数据点数2048。其中welch法使用hanning窗，窗口长度600．(Average periodogram and periodogram smoothing method to estimate the average power spectrum from the classical power spectrum estimation periodogram principle starting from the theoretical analysis of the limitations of its existence, with the Welch algorithm, amending them. Rely on the powerful Matlab numerical analysis and signal processing capabilities to experiment!! With periodogram and welch method were estimated signal power spectral density about. Sampling frequency of 200Hz, the time sequence length 2048, FFT data points 2048. Welch method which uses hanning window, the window length of 600.)

matlab编程模拟太阳，地球和月球的星系运动，利用了动态图画的效果(sun and earth moving program)

public guideness for swarm Ops in Matlab

本人编写的各种matlab最优化程序代码，其中包含了FaNRXW问题最优化，无约束一维极值问题，牛顿法基本牛顿法，全局牛顿法，割线法，抛物线法，OgqdAfu法 Wolfe.Powell法，Powell法。 (I prepared a variety of optimization matlab code, which contains FaNRXW problem optimization, Unconstrained one dimensional extremum problem, Newton s method basic Newton method, global Newton method, secant method, parabolic law, OgqdAfu law Wolfe.Powell law , Powell method. )

说明：  实现异步电机无速度传感器控制，应用滑模观测器(The asynchronous motor is controlled without speed sensor and sliding-mode observer is applied)

AC-DC Converter using a three-phase three-level PWM Voltage-sourced Converter (AC-DC Converter using a three-phase three-level PWM Voltage-sourced Converter)

对pmu配置的一群算法，绝对简单好用，对遗传算法的一种改进(Pmu configuration of a group of algorithms, absolutely easy to use, an improved genetic algorithm)

数字滤波器的matlab仿真程序滤波器为fIR型的4阶切比雪夫I型带通滤波器，通带范围为10000—15000Hz，通带左边的阻带的截止频率为8000Hz，通带右边的阻带起始频率是18000Hz，通带最大衰减为1dB，阻带最小衰减为30dB，其采样频率为50000Hz，数据点数为1024个。(Digital filter matlab simulation program)