www.gusucode.com > robust 案例源码程序 matlab代码 > robust/SystemWithUncertainParametersExample.m
%% System with Uncertain Parameters % %% Build Plant Model % Copyright 2015 The MathWorks, Inc. m1 = ureal('m1',1,'percent',20); m2 = ureal('m2',1,'percent',20); k = ureal('k',1,'percent',20); s = zpk('s'); G1 = ss(1/s^2)/m1; G2 = ss(1/s^2)/m2; F = [0;G1]*[1 -1]+[1;-1]*[0,G2]; P = lft(F,k); %% Obtain Nominal Plant zpk(P.nominal) %% Plot Monte Carlo Samples C=100*ss((s+1)/(.001*s+1))^3; % LTI controller T=feedback(P*C,1); % closed-loop uncertain system step(usample(T,5),.1);