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  • 大小: 2KB
    文件類型: .zip
    金幣: 2
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    發(fā)布日期: 2021-05-23
  • 語言: Matlab
  • 標(biāo)簽: DMC??matlab??仿真程序??

資源簡介

動(dòng)態(tài)矩陣控制matlab仿真程序,以一階慣性加純滯后為仿真對(duì)象,可以自己修改為其它對(duì)象。

資源截圖

代碼片段和文件信息

clear?all;
clc;
close?all;
d=35;
A=[1.6375?-0.6703];
num=[0.0350?0.0307];
B=[zeros(1d)?num];
den=[1?-A?zeros(1d-1)];
P=tf(numden0.2)
Ap=A;Bp=B;
na=size(Ap2);
nb=size(Bp2);
y_ant=zeros(1na);
u_ant=zeros(1nb);
N=80;???????????????%模型長度?????
g=step(PN);
dulib=zeros(1N);
p=60;???????????????%預(yù)測(cè)時(shí)域
m=3;????????????????%控制時(shí)域
G=zeros(pm);
G(:1)=g(1:p);
for?i=2:m
????ga=[zeros(1i-1)?g(1:p-i+1)‘];
????G(:i)=ga‘;
end
%--------define?simulation---------------
puntos=1000;?????????%仿真結(jié)束時(shí)間
lambda=1;???????????%控制量加權(quán)
Mn=(G‘*G+lambda*eye(m));
Mn1=inv(Mn)*G‘;
qn=Mn1(1:);
u=zeros(1puntos);
yp=zeros(1puntos);
ypr=zeros(1puntos);
w=[zeros(15)?0.5*ones(1puntos-5)];
af=0.1;????????????%輸入濾波系數(shù)越小性能越好
r=filter((1-af)[1?-af]w);
%--------inicialization-------------------
inc_u=0;
for?k=1:puntos
????yp(k)=Ap*y_ant‘+Bp*u_ant‘;
????%----add?a?disturbance?at?the?output
????if?k>100
????????ypr(k)=yp(k)-0.1;
????else
????????ypr(k)=yp(k);
????end
????%----actualization?of?the?output
????if?na==1
????????y_ant=yp(k);
????else
????????aux_y=y_ant(1:na-1);
????????y_ant=[yp(k)?aux_y];
????end
????%----computes?prediction?for?DMC
????f=zeros(1p);
????for?kk=1:p
????????for?i=1:N-p
????????????vect_g(i)=g(kk+i)-g(i);
????????end
????????for?i=N-p+1:N
????????????vect_g(i)=g(N)-g(i);
????????end
????????f(kk)=ypr(k)+vect_g*dulib‘;
????end
????ref=r(k)*ones(1p)‘;
????inc_u=qn*(ref-f‘);
????if?k==1
????????u(k)=inc_u;
????else
????????u(k)=u(k-1)+inc_u;
????end
????%actualization?for?control?vector
????aux_u=u_ant(1:nb-1);
????u_ant=[u(k)?aux_u];
????%actualization?dulib
????aux_2=dulib(1:N-1);
????dulib=[inc_u?aux_2];
end

%------plot-------
nm=puntos;
h=subplot(211);
for?i=1:nm
????t(i)=0.2*i;
end
plot(t(1:nm)w(1:nm)‘-.‘t(1:nm)ypr(1:nm)‘-‘‘LineWidth‘1.5);
title(‘Output?of?the?process‘);
legend(‘r‘‘DMC‘‘Location‘‘SouthEast‘);
xlabel(‘time(s)‘‘FontSize‘12);
ylabel(‘ry‘‘FontSize‘12);
axis([0?50?-0.1?0.7]);
set(h‘FontSize‘12);
grid?on;
h=subplot(212);
plot(t(1:nm)u(1:nm)‘-‘‘LineWidth‘1.5);
title(‘Control?Action?of?the?process‘);
xlabel(‘time(s)‘‘FontSize‘12);
ylabel(‘u‘‘FontSize‘12);
axis([0?50?-0.5?0.5]);
set(h‘FontSize‘12);
grid?on;



????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????2338??2018-06-04?14:13??DMC.m

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