prt_rock.m

导弹控制系统的鲁棒控制设计实例

%Simulation of the pertrurbed closed-loop rocket stabilization systems
%
sim_rock
%
[pert_1, pert_2, pert_3, pert_4, pert_5, pert_6, pert_7] ...  
    = ndgrid([-1 1], [-1 1], [-1 1], [-1 1], [-1 1], [-1 1], [-1 1]);   
%
for j = 1:128                                                         % 2^7
    delta = diag([pert_1(j), pert_2(j), ...                           % alpha
                  pert_3(j), pert_4(j), pert_5(j), ...                % theta
                  pert_6(j), pert_7(j)]);                             % acceleration
    clp = starp(delta,starp(sim_ic,K));
%
%   response to the reference input
    timedata = [0 3 6];
    stepdata = [15 -15 15];   % g
    tf = 9;                   % final time value
    ref = step_tr(timedata,stepdata,0.01,tf);
    noise1 = 0;
    noise2 = 0;
    noise = abv(noise1,noise2);
    y = trsp(clp,abv(ref,noise),tf,0.01);
    figure(1)
    vplot(ref,'m--',sel(y,3,1),'c-')
    hold on
end
%   
grid
title('Transient responses of the perturbed systems')
xlabel('Time (secs)')
ylabel('n_{y} (g)')
hold off