%
% SEM 5928 - Sistemas de Controle 
% Escola de Engenharia de São Carlos - USP
%
% Adriano Siqueira - 2016
%

%Leitura dos parâmetros
M = get(uiStart,'Value');
B = get(uiStart1,'Value');
K = get(uiStart2,'Value');

wn=sqrt(K/M);
zeta=B/(2*sqrt(K*M));

set(uitextwn,'String',num2str(wn,2));
set(uitextzeta,'String',num2str(zeta,2));


% *** Função transferencia G(s)=1/(ms^2+bs+k)***
num=[K/M];
den=[1 B/M K/M];
G = tf(num,den);
[y,t] = step(G,5);


set(graph_interface,'CurrentAxes',movie_axis);

plot(t,y)
grid
xlabel('Tempos (s)');
ylabel('y(t)');
axis([0 5 0 2])

set(graph_interface,'CurrentAxes',movie_axis2);
%cla
pzmap(G)
grid
xlabel('Parte Real');
ylabel('Parte Imaginaria');
axis([-20 1 -10 10])

set(uitextM,'String',num2str(M,2));
set(uitextB,'String',num2str(B,2));
set(uitextK,'String',num2str(K,2));