本帖最后由 martintsai 于 2011-4-12 11:05 編輯

我在進行汽車懸架系統(tǒng)的Simulink仿真畢業(yè)設(shè)計。

我之前已經(jīng)完成mdl的設(shè)計，并建立模糊模塊，mohu.fis，export to workspace后在mdl環(huán)境下可以運行，結(jié)果也比較滿意。

但是老師要求設(shè)計GUI，我設(shè)計完fig界面之后，進行GUI運行時，發(fā)現(xiàn)老是出現(xiàn)以下錯誤，

部分M文件程序如下，mass1,mass2,damping_coefficient,stiffness_coefficient四個函數(shù)讀取了FIG界面的數(shù)據(jù)，出錯的位置好像在pushbutton2里面的sim

function mass1_Callback(hObject, eventdata, handles)

function mass1_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white');

end

function mass2_Callback(hObject, eventdata, handles)

function mass2_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white');

end

function damping_coefficient_Callback(hObject, eventdata, handles)

function damping_coefficient_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white');

end

function stiffness_coefficient_Callback(hObject, eventdata, handles)

function stiffness_coefficient_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white');

end

function pushbutton2_Callback(hObject, eventdata, handles)

axes(handles.axes1)

m1=str2num(get(handles.mass1,'String'));

m2=str2num(get(handles.mass2,'String'));

c=str2num(get(handles.damping_coefficient,'String'));

k1=str2num(get(handles.stiffness_coefficient,'String'));

options = simset('SrcWorkspace','current');

sim('suspensionsimulation',[],options);

plot(tout,yout)

axis([0 50 -1 1])

set(gca,'XTick',[0 25 50])

set(gca,'YTick',[-1 -0.5 0 0.5 1])

grid on

錯誤如下：

??? Error using ==> sim

Error in 'suspensionsimulation/fuzzy/Fuzzy Logic??Controller': Parameter 'mohu' cannot be evaluated.??MATLAB error message: Error using ==> sim

Undefined function or variable 'mohu'.

Error in ==> suspension_stimulation_GUI>pushbutton2_Callback at 167

sim('suspensionsimulation',[],options);

Error in ==> gui_mainfcn at 95

feval(varargin{:});

Error in ==> suspension_stimulation_GUI at 42

gui_mainfcn(gui_State, varargin{:});

??? Error using ==> suspension_stimulation_GUI('pushbutton2_Callback',gcbo,[],guidata(gcbo))

Error using ==> sim

Error in 'suspensionsimulation/fuzzy/Fuzzy Logic??Controller': Parameter 'mohu' cannot be evaluated.??MATLAB error message: Error using ==> sim

Undefined function or variable 'mohu'.

??? Error while evaluating uicontrol Callback

請高手指點啊，感激涕零啊？？！！

2011-4-12 10:54 上傳

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