資源簡介
用RBF核函數(shù)整定PID控制。M=1時為RBF正定的PID控制,M=2時為未加整定的PID控制。
代碼片段和文件信息
clear?all;
close?all;
xite=0.25;
alfa=0.05;
belte=0.01;
x=[000]‘;
ci=30*ones(36);
bi=40*ones(61);
w=10*ones(61);
h=[000000]‘;
ci_1=ci;ci_3=ci_1;ci_2=ci_1;
bi_1=bi;bi_3=bi_1;bi_2=bi_1;
w_1=w;w_3=w_1;w_2=w_1;
u_1=0;y_1=0;
xc=[000]‘;
error_1=0;error_2=0;error_3=0;
%kp=rand(1);
%ki=rand(1);
%kd=rand(1);
kp0=0.03;
ki0=0.01;
kd0=0.03;
kp_1=kp0;
ki_1=ki0;
kd_1=kd0;
xitekp=0.20;
xitekd=0.20;
xiteki=0.20;
ts=0.001;
for?k=1:1:2000
????time(k)=k*ts;
????rin(k)=1.0*sign(sin(2*pi*k*ts));
????yout(k)=(-0.1*y_1+u_1)/(1+y_1^2);?
????
????for?j=1:1:6
????????h(j)=exp(-norm(x-ci(:j))^2/(2*bi(j)*bi(j)));
????end
????ymout(k)=w‘*h;
????
????d_w=0*bi;
????for?j=1:1:6
????????d_w(j)=xite*(yout(k)-ymout(k))*h(j);
????end
????w=w_1+d_w+alfa*(w_1-w_2)+belte*(w_2-w_3);
????
????d_bi=0*bi;
????for?j=1:1:6
????????d_bi(j)=xite*(yout(k)-ymout(k))*w(j)*h(j)*(bi(j)^-3)*norm(x-ci(:j))^2;
????end
????bi=bi_1+d_bi+alfa*(bi_1-bi_2)+belte*(bi_2-bi_3);
????for?j=1:1:6
????????for?i=1:1:3
????????????
?????????????d_ci(ij)=xite*(yout(k)-ymout(k))*w(j)*h(j)*(x(i)-ci(ij))*(bi(j)^-2);
?????????end
?????end
?????ci=ci_1+d_ci+alfa*(ci_1-ci_2)+belte*(ci_2-ci_3);
?????
?????%%%%%%%%%%%%%jacobian%%%%%%%%%%%5
????yu=0;
????for?j=1:1:6
????????yu=yu+w(j)*h(j)*(-x(1)+ci(1j))/bi(j)^2;
????end
????dyout(k)=yu;
????%%%%%%%%%
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