fourpole1.m

控制系统仿真中的根轨迹MATLAB仿真源码

function slider_b_Callback(hObject, eventdata, handles)
% hObject    handle to slider_b (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'Value') returns position of slider
%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider
set(handles.edit_b,'string',num2str(get(handles.slider_b,'value')));
val2=str2num(get(handles.edit_b,'string'))
b=str2num(get(handles.edit_b,'string'))
if isnumeric(val2)&length(val2)==1&...
        val2>=get(handles.slider_b,'Min')&...
        val2<=get(handles.slider_b,'Max')
    set(handles.slider_b,'Value',val2);
else  handles.numberofErrors=handles.numberofErrors+1;
    set(handles.edit_b,'String',...
        [handles.errorString,num2str(handle.numberofErrors)]);
    guidata(gcbo,handle);
end
set(handles.edit_a,'string',num2str(get(handles.slider_a,'value')));
val1=str2num(get(handles.edit_a,'string'))
a=str2num(get(handles.edit_a,'string'))
if isnumeric(val1)&length(val1)==1&...
        val1>=get(handles.slider_a,'Min')&...
        val1<=get(handles.slider_a,'Max')
    set(handles.slider_a,'Value',val1);
else  handles.numberofErrors=handles.numberofErrors+1;
    set(handles.edit_a,'String',...
        [handles.errorString,num2str(handle.numberofErrors)]);
    guidata(gcbo,handle);
end
set(handles.edit_c,'string',num2str(get(handles.slider_c,'value')));
val3=str2num(get(handles.edit_c,'string'))
c=str2num(get(handles.edit_c,'string'))
if isnumeric(val3)&length(val3)==1&...
        val3>=get(handles.slider_c,'Min')&...
        val3<=get(handles.slider_c,'Max')
    set(handles.slider_c,'Value',val3);
else  handles.numberofErrors=handles.numberofErrors+1;
    set(handles.edit_c,'String',...
        [handles.errorString,num2str(handle.numberofErrors)]);
    guidata(gcbo,handle);
end
p1=0
p2=-(a+b)
p3=-a+(1/2)*c*i
p4=-a-(1/2)*c*i
z=[]
p=[p1 p2 p3 p4]
sys=zpk(z,p,1)
subplot('Position',[0.1,0.35,0.422,0.5])
rlocus(sys)
num=poly(z)
den=poly(p)
syms('x','w','k','real')
n=poly2sym(k*num,x)
d=poly2sym(den,x)
f=n+d
g=w*i
h=compose(f,g)
r=real(h)
l=simplify(imag(h))
[k,w]=solve(r,l)
k1=sym2poly(k)
set(handles.edit_stastic,'string',min(k1))
set(handles.edit_stastic1,'string',max(k1))



% --- Executes during object creation, after setting all properties.
function slider_c_CreateFcn(hObject, eventdata, handles)
% hObject    handle to slider_c (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: slider controls usually have a light gray background, change
%       'usewhitebg' to 0 to use default.  See ISPC and COMPUTER.
usewhitebg = 1;
if usewhitebg
    set(hObject,'BackgroundColor',[.9 .9 .9]);
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end


% --- Executes on slider movement.
function slider_c_Callback(hObject, eventdata, handles)
% hObject    handle to slider_c (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'Value') returns position of slider
%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider
set(handles.edit_c,'string',num2str(get(handles.slider_c,'value')));
val3=str2num(get(handles.edit_c,'string'))
c=str2num(get(handles.edit_c,'string'))
if isnumeric(val3)&length(val3)==1&...
        val3>=get(handles.slider_c,'Min')&...
        val3<=get(handles.slider_c,'Max')
    set(handles.slider_c,'Value',val3);
else  handles.numberofErrors=handles.numberofErrors+1;
    set(handles.edit_c,'String',...
        [handles.errorString,num2str(handle.numberofErrors)]);
    guidata(gcbo,handle);
end
set(handles.edit_b,'string',num2str(get(handles.slider_b,'value')));
val2=str2num(get(handles.edit_b,'string'))
b=str2num(get(handles.edit_b,'string'))
if isnumeric(val2)&length(val2)==1&...
        val2>=get(handles.slider_b,'Min')&...
        val2<=get(handles.slider_b,'Max')
    set(handles.slider_b,'Value',val2);
else  handles.numberofErrors=handles.numberofErrors+1;
    set(handles.edit_b,'String',...
        [handles.errorString,num2str(handle.numberofErrors)]);
    guidata(gcbo,handle);
end
set(handles.edit_a,'string',num2str(get(handles.slider_a,'value')));
val1=str2num(get(handles.edit_a,'string'))
a=str2num(get(handles.edit_a,'string'))
if isnumeric(val1)&length(val1)==1&...
        val1>=get(handles.slider_a,'Min')&...
        val1<=get(handles.slider_a,'Max')
    set(handles.slider_a,'Value',val1);
else  handles.numberofErrors=handles.numberofErrors+1;
    set(handles.edit_a,'String',...
        [handles.errorString,num2str(handle.numberofErrors)]);
    guidata(gcbo,handle);
end
p1=0
p2=-(a+b)
p3=-a+(1/2)*c*i
p4=-a-(1/2)*c*i
z=[]
p=[p1 p2 p3 p4]
sys=zpk(z,p,1)
subplot('Position',[0.1,0.35,0.422,0.5])
rlocus(sys)
num=poly(z)
den=poly(p)
syms('x','w','k','real')
n=poly2sym(k*num,x)
d=poly2sym(den,x)
f=n+d
g=w*i
h=compose(f,g)
r=real(h)
l=simplify(imag(h))
[k,w]=solve(r,l)
k1=sym2poly(k)
set(handles.edit_stastic,'string',min(k1))
set(handles.edit_stastic1,'string',max(k1))



% --- Executes during object creation, after setting all properties.
function edit_c_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_c (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end



function edit_c_Callback(hObject, eventdata, handles)
% hObject    handle to edit_c (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of edit_c as text
%        str2double(get(hObject,'String')) returns contents of edit_c as a double


% --- Executes during object creation, after setting all properties.
function edit_stastic_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_stastic (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end



function edit_stastic_Callback(hObject, eventdata, handles)
% hObject    handle to edit_stastic (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of edit_stastic as text
%        str2double(get(hObject,'String')) returns contents of edit_stastic as a double


% --- Executes during object creation, after setting all properties.
function edit_stastic1_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_stastic1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end



function edit_stastic1_Callback(hObject, eventdata, handles)
% hObject    handle to edit_stastic1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of edit_stastic1 as text
%        str2double(get(hObject,'String')) returns contents of edit_stastic1 as a double




% --------------------------------------------------------------------
function Untitled_2_Callback(hObject, eventdata, handles)
% hObject    handle to Untitled_2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
button=questdlg('Do you want to close this window?',...
    'Close Operation','Yes','No','No');
if strcmp(button,'Yes')
   close
elseif strcmp(button,'No')
    disp('Canceled file operation')
end