自动控制原理Matlab程序作业（精）

function Liushuai20122510_OpeningFcn(hObject, eventdata, handles, varargin % This function has no output args, see OutputFcn. % hObject handle to figure

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA

% varargin command line arguments to Liushuai20122510 (see VARARGIN % Choose default command line output for Liushuai20122510 handles.output = hObject; % Update handles structure guidata(hObject, handles;

% UIWAIT makes Liushuai20122510 wait for user response (see UIRESUME % uiwait(handles.figure1;

% --- Outputs from this function are returned to the command line. function varargout = Liushuai20122510_OutputFcn(hObject, eventdata, handles

% varargout cell array for returning output args (see VARARGOUT; % hObject handle to figure

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA

% Get default command line output from handles structure varargout{1} = handles.output;

% --- Executes on button press in pushbutton1.

function pushbutton1_Callback(hObject, eventdata, handles % hObject handle to pushbutton1 (see GCBO

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA

num = str2num(get(handles.edit1,'String' ; den = str2num(get(handles.edit2,'String' ; G = tf(num,den; rlocus(G hold on ; sgrid(0.707,[] hold off ;

% --- Executes on button press in pushbutton2.

function pushbutton2_Callback(hObject, eventdata, handles % hObject handle to pushbutton2 (see GCBO

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA

num = str2num(get(handles.edit1,'String' ; den = str2num(get(handles.edit2,'String' ;

sys=tf(num,den; [y,t]=step(sys; plot(t,y; grid on ;

% --- Executes on button press in pushbutton3.

function pushbutton3_Callback(hObject, eventdata, handles % hObject handle to pushbutton3 (see GCBO

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA close(gcbf;

function edit1_Callback(hObject, eventdata, handles % hObject handle to edit1 (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 edit1 as text % str2double(get(hObject,'String' returns contents of edit1 as a double % --- Executes during object creation, after setting all properties. function edit1_CreateFcn(hObject, eventdata, handles

% hObject handle to edit1 (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 && isequal(get(hObject,'BackgroundColor' , get(0,'defaultUicontrolBackgroundColor'

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

% --- Executes on button press in pushbutton4.

function pushbutton4_Callback(hObject, eventdata, handles % hObject handle to pushbutton4 (see GCBO

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA

num = str2num(get(handles.edit1,'String' ; den = str2num(get(handles.edit2,'String' ; finalvalue = polyval(num,0/polyval(den,0 sys=tf(num,den; [Kc,p]=rlocfind(sys; set(handles.Kc,'string' ,Kc; X = real(p(1 Y = imag(p(1