Description: 基于simulink/PSB的异步电机变频调速系统的建模与仿真（很详细）-Based on simulink/PSB the induction motor variable frequency speed regulation system of modeling and simulation (very detailed) Platform: |
Size: 247808 |
Author:叶枫 |
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Description: 基于变步长LMS在干扰抵消中的应用，其中key1，2，3为不同变步长的MATLAB程序，而pinyu则是LMS在频域中的应用，-Variable Step Size LMS-based interference cancellation in the application, which key1, 2,3 for different variable step size of MATLAB procedures pinyu is LMS in frequency domain applications, Platform: |
Size: 984064 |
Author:刘成芳 |
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Description: 这是三相异步电机的变频调速仿真模型，通过变频实现电机的调速控制-This is three-phase asynchronous motor VVVF simulation model, through variable frequency motor speed control implementation Platform: |
Size: 5120 |
Author:flamepearlly |
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Description: MATLAB-based program that generates plots of
input power and shaft torque for variable-frequency operation of
three-phase induction motors Platform: |
Size: 98304 |
Author:ali |
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Description: 交直流调速系统与MATLAB仿真 书籍，PDF格式的，将交直流调速技术和MATLAB仿真技术有机结合在一起，主要内容包括直流调速系统及其仿真、直流调速系统的动态设计及其仿真、直流脉宽调速系统及其仿真、交流调压调速系统和串级调速系统及其仿真、交流异步电动机变频调速系统及其仿真、交流异步电动机矢量控制变频调速系统及其仿真、同步电动机调速系统及其仿真。-AC and DC speed control system with the MATLAB simulation of the book, PDF format, will be AC and DC speed control technology and the organic integration of MATLAB simulation technology together, the main features of DC drive system and its simulation, the dynamics of DC drive system design and simulation DC PWM system and its simulation, AC voltage regulation speed control system and cascade speed regulation system and its simulation, the exchange of asynchronous motor VVVF system and its simulation, the exchange of vector control induction motor variable frequency speed regulation system and its simulation, synchronous motor speed control system and its simulation. Platform: |
Size: 8657920 |
Author:吴易 |
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Description: MATLAB 数学手册复合版内容详尽 包括矩阵及其基本运算，特征值与二次型数值计算与数据分析 插值、拟合与查表 常微分方程数值解偏微分方程的数值解 符号运算积分变换Taylor级数 概率统计 随机数的产生 随机变量的概率密度计算 随机变量的累积概率值(分布函数值)正整数的频率表 4.6.2 经验累积分布函数图形 最小二乘拟合直线
绘制正态分布概率图形
绘制威布尔(Weibull)概率图形
样本数据的盒图
给当前图形加一条参考线
在当前图形中加入一条多项式曲线
样本的概率图 附加有正态密度曲线的直方图在指定的界线之间画正态密度曲 假设检验 方差分析 foptions函数 非线性规划问题 隶属函数 模糊推理结构FIS 绘图与图形处理 含有基本实例代码
-MATLAB math composite version of the manual includes a detailed matrix and the basic computing, quadratic eigenvalue with numerical analysis and data interpolation, fitting with the look-up table the numerical solution of ordinary differential equations numerical solution of partial differential equations symbols computing integral transforms Taylor class the number of probability and statistics of the generated random number of random variables the probability density of random variable cumulative probability values (distribution function value) positive integer frequency table 4.6.2 graphical experience distribution function least-squares fitting a straight line
Normal probability graph drawing
Drawing Weibull (Weibull) probability graph
Sample data box diagram
To add a reference to the current graphics line
In the current graph by adding a polynomial curve
Additional samples have the probability map is the histogram density of states curve at the specified Platform: |
Size: 1590272 |
Author:小李 |
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Description: OFDM程序，这么安排矩阵的目的是为了构造共轭对称矩阵
共轭对称矩阵的特点是 在ifft/fft的矢量上 N点的矢量
在0，N/2点必须是实数 一般选为0
1至N/2点 与 （N/2）+1至N-1点关于N/2共轭对称- BPSK simulation using a carrier cosine wave with ISI
clc
close all
clear all
figure(1)
n=160
for i=1:n
data(i)= 2*round(rand)-1
end
create modulated BPSK signal
first expand the bit stream
exdata=[]
for i=1:length(data)
for rep=1:5
exdata= [exdata data(i)]
end
end
ts=.1
t=1:ts:80.9
carrier=cos(pi*t)
multiply expanded bitstream by cosine wave with carrier frequency
this is the BPSK that is to be transmitted over the channel
bpsk=carrier.*exdata
bpsk=[bpsk(length(bpsk)-1) bpsk(length(bpsk)) bpsk]
plot(bpsk)
generating the noise
p=rand(1,800)*2*pi
p=rand*2*pi
snr=10
r=sqrt(-1*(1/snr*log(1- rand)))
no = 5*(r.* exp(j*p))
no = (r.* exp(j*p))
value of alpha
al=rand+j*rand
al=1
Spreading channel with the alpha as the variable
for k=5:5:795
for l = 1:5
al=round(rand)+j*round(rand)
rec(k+l)=bpsk(k+l)+al*bpsk(k-5+l)
end
end
rxdata=rec+ no
begin demodulation
first multiply recie Platform: |
Size: 6146048 |
Author:卞敏捷 |
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Description: 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；
采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；
计算信号量化噪声比（SQNR）；
信道误码率为10-3；
解码，并画出u律反变换后的信号时域波形及频谱。
扩展要求：
采用均匀PCM、量化级数可变、信道误码率可变。
- have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram calculated quantization noise signal than (SQNR) channel bit error rate of 10-3 decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements: uniform PCM, quantization level variable, a variable channel bit error rate. Platform: |
Size: 2048 |
Author:louzhu |
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Description: 滞环SVPWM整流器的Simulink仿真，种基于不定频滞环的空间矢量脉宽调制( SVPWM)电流控制方法-Hysteresis SVPWM Rectifier Simulink simulation, based on variable-frequency hysteresis of the space vector pulse width modulation (SVPWM) current control method Platform: |
Size: 380928 |
Author:熊毅 |
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Description: < 控制系统计算机辅助设计--MATLAB语言与应用>>系统地介绍了国际控制界最流行的控制系统计算机辅助设计语言MATLAB，侧重于介绍MATLAB语言编程基础与技巧、数学问题的MATLAB求解、线性系统计算机辅助分析、控制系统与其他复杂系统的Simulink建模，控制系统的计算机辅助设计方法，包括串联控制器、状态反馈控制器、多变量系统频域设计、PID控制器设计、最优控制器设计、LQG/LTR控制器设计、H2=H1 最优控制、分数阶控制、自适应控制、模糊控制、神经网络控制、遗传算法优化控制等。本电子文档为其源码光盘内容，源码多多，利于学习参考。-"" Control System for Computer-Aided Design- MATLAB language and application of "" a systematic introduction to the international control of world s most popular computer-aided control system design language MATLAB, introduced the MATLAB language programming focusing on the foundation and skills, the MATLAB mathematical problem solving, computer-aided analysis of linear systems, control systems and other complex systems Simulink modeling, control system, computer-aided design methods, including serial controller, state feedback controller, multi-variable system, frequency-domain design, PID controller design, optimal controller design, LQG/LTR controller design, H2 = H1 optimal control, fractional order control, adaptive control, fuzzy control, neural network control, genetic algorithm to optimize control. This electronic document its source code CD-ROM content, source code lot, conducive to learning for reference. Platform: |
Size: 2137088 |
Author:任勇 |
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Description: matlab file for Variable Frequency Oscillator,Parallel RLC Circuit,AC Energization of a RL Circuit and Series RLC Resonant Circuit simulation Platform: |
Size: 25600 |
Author:solmipee |
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Description: 这个示范ilustrates使用的三相Programmble电压源，PLL和可变频率正序电压和功率的测量块-This demonstration ilustrates use of the 3-Phase Programmble Voltage Source, PLL and Variable-Frequency Positive-Sequence Voltage and Power Measurement blocks Platform: |
Size: 10240 |
Author:YUJIAN.XU |
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Description: 异步电动机变频调速系统matlab仿真，基于simulink仿真。-Induction motor variable frequency drive system matlab simulation, based on simulink simulation. Platform: |
Size: 5120 |
Author:Michael |
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Description: 变压变频器的matlab仿真，包括电源的主电路，利用 Simulink 里面自带的算法工具实现的控制ＳＰＷＭ波形-Variable voltage variable frequency matlab simulation, including the main circuit of the power supply, the use of Simulink which comes algorithm tool to achieve control SPWM waveform Platform: |
Size: 12288 |
Author:朱洋 |
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Description: simulink仿真模型，通过一个频率可变的三角波生成器，调制出频率可变的信号。(The Simulink simulation model modulates a variable frequency signal through a variable frequency triangular wave generator.) Platform: |
Size: 23552 |
Author:asdfgzxcvb
|
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Description: 自己搭建的SPW变频调速系统模型，可用，波形很好(The model of SPW variable frequency speed regulation system built by himself is available and the waveform is very good.) Platform: |
Size: 22528 |
Author:学霸行 |
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Search - variable frequency matlab