function dy = Motor2(t,y)
dy = zeros(3,1);
mu=1;alfa=1.9;
% --------------------Choas characteristic---------------------------
% dy(1) = -mu*y(1) + y(2)*(y(3)+alfa);
% dy(2) = -mu*y(2) + y(1)*(y(3)-alfa);
% dy(3) = y(3) - y(1)*y(2);
% ---------------- Choas Control Using Single Variable --------------
% x0=0;y0=0;z0=0;k=[1,1,2];
% dy(1) = -mu*y(1) + y(2)*(y(3)+alfa) - k(1)*(y(1)-x0);
% dy(2) = -mu*y(2) + y(1)*(y(3)-alfa) - k(2)*(y(2)-y0);
% dy(3) = y(3) - y(1)*y(2) - k(3)*(y(3)-z0);
% ---------------- Choas Control Using Double Variable ----------------
x0=0;y0=0;z0=0;k=[1,2];
dy(1) = -mu*y(1) + y(2)*(y(3)+alfa);
dy(2) = -mu*y(2) + y(1)*(y(3)-alfa);
dy(3) = y(3) - y(1)*y(2) - k(1)*(-mu*y(1) + y(2)*(y(3)+alfa)) - k(2)*(y(2)-y0);
% ---------------- Choas Control Using Non feedback Method 1 ------------
% f1=2.379;f2=0.118;w=0.0512;
% u=f1+f2*sin(w*t);
% dy(1) = -mu*y(1) + y(2)*(y(3)+alfa);
% dy(2) = -mu*y(2) + y(1)*(y(3)-alfa) + u;
% dy(3) = y(3) - y(1)*y(2);
% ---------------- Choas Control Using Non feedback Method 2 --------------
% f1=1.379;f2=0.118;w=0.0512;
% u=f1+f2*sin(w*t);
% dy(1) = -mu*y(1) + y(2)*(y(3)+alfa);
% dy(2) = -mu*y(2) + y(1)*(y(3)-alfa);
% dy(3) = y(3) - y(1)*y(2);