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stateestimation-self-derivatives-measurementdistribution
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加均匀分布 

Signed-off-by: dmy@lab <dmy@lab.lab>
This commit is contained in:
dmy@lab 2015-03-29 11:15:21 +08:00
parent 537b5e4699
commit d3146da2b9
1 changed files with 396 additions and 369 deletions
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45
run.m
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@ -2,15 +2,21 @@ clear
clc
% yalmip('clear')
addpath('.\Powerflow')
[~, ~, ~, ~,Volt,Vangle,Y,Yangle,r,c,newwordParameter,PG,QG,PD,QD,Balance]=pf('ieee4-DN.dat', '0');
[~, ~, ~, ~,Volt,Vangle,Y,Yangle,r,c,newwordParameter,PG,QG,PD,QD,Balance]=pf('E:\算例\feeder33\feeder33ieee.txt', '0');
% 'E:\算例\feeder33\feeder33ieee.txt'
%% 开始生成量测量
sigma=0.03;% ±ê×¼²î
sigma=0.01;% 标准差
loop=1;
VoltAAE=0;
VAngleAAE=0;
while 1
%% 电压
%电压幅值
rVolt=Volt; %幅值
BalanceVolt=Volt(Balance);
mVolt=rVolt.*(normrnd(0,sigma,length(Volt),1)+1);%µçѹÁ¿²âÁ¿
% mVolt=rVolt.*(normrnd(0,sigma,length(Volt),1)+1);%电压量测量
%均匀分布
mVolt=rVolt.*(unifrnd(-3*sigma,3*sigma,length(rVolt),1)+1);
rVAngel=Vangle;
%% 电流
%注入电流
@ -57,10 +63,22 @@ rPG=PG;
PGi=find(PG~=0);
rQG=QG;
QGi=find(QG~=0);
mPD=rPD.*(normrnd(0,sigma,length(rPD),1)+1);
mQD=rQD.*(normrnd(0,sigma,length(rQD),1)+1);
mPG=rPG.*(normrnd(0,sigma,length(rPG),1)+1);
mQG=rQG.*(normrnd(0,sigma,length(rQG),1)+1);
% 正态分布
% mPD=rPD.*(normrnd(0,sigma,length(rPD),1)+1);
% mQD=rQD.*(normrnd(0,sigma,length(rQD),1)+1);
% mPG=rPG.*(normrnd(0,sigma,length(rPG),1)+1);
% mQG=rQG.*(normrnd(0,sigma,length(rQG),1)+1);
% 均匀分布
mPD=rPD.*(unifrnd(-3*sigma,3*sigma,length(rPD),1)+1);
mQD=rQD.*(unifrnd(-3*sigma,3*sigma,length(rQD),1)+1);
mPG=rPG.*(unifrnd(-3*sigma,3*sigma,length(rPG),1)+1);
mQG=rQG.*(unifrnd(-3*sigma,3*sigma,length(rQD),1)+1);
% PD0(Loadi)=RealPD(Loadi).*(1+unifrnd(-3*sigma,3*sigma,length(Loadi),1));
% QD0(Loadi)=RealQD(Loadi).*(1+unifrnd(-3*sigma,3*sigma,length(Loadi),1));
% mVolt=rVolt.*(1+unifrnd(-3*sigma,3*sigma,1,length(rVolt)));
%% 0注入节点
zerosInjectionIndex=1:length(Volt);
zerosInjectionIndex=zerosInjectionIndex( ~(PD~=0|QD~=0|PG~=0|QG~=0) );
@ -73,7 +91,7 @@ onlyQG=setdiff(QGi,PDQDi);
%% 计算方差
% measureSigma=abs(([rVolt;rBranchP;rBranchQ;rTransP;rTransQ].*sigma));
measureSigma=abs(([rVolt;rPD(PDi);rQD(QDi);].*sigma));
measureSigma(measureSigma<1e-6)=mean(measureSigma(measureSigma>1e-6));
% measureSigma(measureSigma<1e-6)=mean(measureSigma(measureSigma>1e-6));
W=sparse(diag(1./measureSigma.^2)) ;
% W=eye(length(W));
% W=sparse(1:length(W),1:length(W),400,length(W),length(W));
@ -116,7 +134,7 @@ ojbFunDecrease=1000;% Ŀ
% 以下都是Jacobi矩阵
% while max(abs(g))>1e-5;
% while maxD>1e-5
while max(abs(optimalCondition))>eps
while max(abs(maxD))>eps
% 电压
dV_dV=sparse(1:length(mVolt),1:length(mVolt),1,length(mVolt),length(mVolt));%电压量测量的微分
dV_dTyta=sparse(length(mVolt),length(mVolt));
@ -377,6 +395,15 @@ while max(abs(optimalCondition))>eps
optimalCondition(Balance)=0;
optimalCondition(Balance+length(mVolt))=0;
end
VoltAAE=VoltAAE+sum(abs((SEVolt-rVolt)./rVolt));
VAngleAAE=VAngleAAE+sum(abs((SEVAngle(2:end)-rVAngel(2:end))./rVAngel(2:end)));
if loop>=500
break
end
loop=loop+1;
end
VoltAAE=VoltAAE/(loop*length(SEVolt))*100;
VAngleAAE=VAngleAAE/(loop*length(SEVAngle(2:end)))*100;
%% 输出结果
fprintf('迭代%d次\n',Iteration);
fval=full((z-h)'*W*(z-h));