-
svpwm12345
SVPWM仿真的matlab模块,仅供参考。(SVPWM simulation matlab module, for reference only.)
- 2013-03-17 15:04:09下载
- 积分:1
-
PMSM_SMO-(1)
SMO无传感器控制永磁电机matlab 仿真(SMO sensorless control of IPMSM matlab simulation)
- 2015-01-08 11:01:53下载
- 积分:1
-
qud2ggen
双重积分,用于matlab的,经过测试可用。(dual integer ,i used ,it can be use freely)
- 2012-04-08 16:38:12下载
- 积分:1
-
MATLAB
一、 牛顿-拉夫逊法概要
首先对一般的牛顿-拉夫逊法作一简单说明。已知一个变量X的函数
(4-6)
解此方程式时,由适当的近似值X(0)出发,根据 (4-7)
反复进行计算,当X(n)满足适当的收敛判定条件时就是(4-6)式的根。这样的方法就是所谓的牛顿-拉夫逊法。
式(4-7)就是取第n次近似解X(n)在曲线 上的点 处的切线与X轴的交点作下一次X(n+1)值的方法。参考图4-2(a)。在这一方法中为了能收敛于真解,初值X(0)的选取及函数f(X)必须满足适当的条件,如图4-2(b)所示的那种情况就不能收敛或收敛到别的根上去。
这一方法还可以做下面的解释,设第n次迭代得到的解与真值之差,即 的误差为 时,则
(4-8)
把 在 附近对 用泰勒级数展开
(4-9)
上式略去 以下的项
(4-10)
的误差可近似由上式计算出来
图4-2
(4-11)
比较式(4-7)和(4-11),可以看出牛顿-拉夫逊法的修正量和 的误差的一次项相等。
用同样的方法考虑,给出对n个变量 (:Because of the importance and complexity of power system, better algorithm and programme language
is very important . An interior point method based on the perturbed Karush2Kuhn2Tucker (KKT) condition is pre2
sented in this paper , where the method and process for the optimal power flow is treated through the Matlab’s
symbolic math toolbox and Mfunction is also presented. Using the symbolic code , it can improve the adaptability
of the programme dramatically. The advantage is that , what we need to do is change the model expression. We
can make use of the symbolic programme to check our programme while we write the Mfunctions. Using the Mat2
lab , we find the optimal solutions and calculate quickly and efficiently. It has proposed the powerful and unique
functions of Matlab in the optimization and calculation for power system.
Key words :power system symbolic calculation optimal power flow interior point method)
- 2020-07-08 16:38:56下载
- 积分:1
-
matlab
matlab的所有经典算法和程序,非常全,也非常实用(matlab algorithms and procedures for all classic, very full and very practical)
- 2011-11-26 16:05:56下载
- 积分:1
-
Disfrft
dfrft离散分数阶傅里叶变换的matlab程序,适合入门(Discrete fractional Fourier transform of the matlab program, suitable for entry
)
- 2013-10-25 11:56:26下载
- 积分:1
-
bayesclassifier
基于贝叶斯分类器的牙周病诊断系统,用matlab实现(Bayesian classifier based on periodontal diagnostic system, using matlab to achieve)
- 2007-12-04 11:21:53下载
- 积分:1
-
fenxing
说明: 分形计算,给出了分形计算的源代码matlab程序,可以迅速帮助大家进行分形的分析与计算,参数容易设置。
(Fractal calculation, given the fractal calculation of the source code matlab procedures, can quickly help you to carry out the fractal analysis and calculation, easy to set up parameters.)
- 2008-09-20 18:35:24下载
- 积分:1
-
robot_mobil
mobile robot simulation
planification and navigation
- 2013-01-19 06:01:26下载
- 积分:1
-
omlsa.m.tar
基于IMCRA单通道噪声估计,基于Omlsa(optimally-modified log-spectral amplitude)语音增强(Isreal Cohen- omlsa : Single Channel OM-LSA with IMCRA noise estimator.
Noise psd estimation & Speech enhencement)
- 2015-03-27 18:39:51下载
- 积分:1