【物理應用】工程供配電系統(tǒng)含Matlab源碼
1 簡介
為了提高電氣工程專業(yè)學生的理論聯(lián)系實際能力,本文介紹了Matlab仿真軟件基本教學內(nèi)容,重點闡述了Matlab軟件在"自動控制理論"和"電力系統(tǒng)分析"這兩門課程中的應用。經(jīng)過教學實踐證明,在電氣工程專業(yè)教學中應用Matlab仿真軟件是非常有必要的,利用該軟件可以系統(tǒng)地讓學生掌握系統(tǒng)設計方法和電氣工程學科專業(yè)知識,從而提高學生分析和解決實際問題的能力。
2 部分代碼
function varargout = niulafa(varargin)
% NIULAFA M-file for niulafa.fig
% ? ? ?NIULAFA, by itself, creates a new NIULAFA or raises the existing
% ? ? ?singleton*.
%
% ? ? ?H = NIULAFA returns the handle to a new NIULAFA or the handle to
% ? ? ?the existing singleton*.
%
% ? ? ?NIULAFA('CALLBACK',hObject,eventData,handles,...) calls the local
% ? ? ?function named CALLBACK in NIULAFA.M with the given input arguments.
%
% ? ? ?NIULAFA('Property','Value',...) creates a new NIULAFA or raises the
% ? ? ?existing singleton*. ?Starting from the left, property value pairs are
% ? ? ?applied to the GUI before niulafa_OpeningFunction gets called. ?An
% ? ? ?unrecognized property name or invalid value makes property application
% ? ? ?stop. ?All inputs are passed to niulafa_OpeningFcn via varargin.
%
% ? ? ?*See GUI Options on GUIDE's Tools menu. ?Choose "GUI allows only one
% ? ? ?instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', ? ? ? mfilename, ...
? ? ? ? ? ? ? ? ? 'gui_Singleton', ?gui_Singleton, ...
? ? ? ? ? ? ? ? ? 'gui_OpeningFcn', @niulafa_OpeningFcn, ...
? ? ? ? ? ? ? ? ? 'gui_OutputFcn', ?@niulafa_OutputFcn, ...
? ? ? ? ? ? ? ? ? 'gui_LayoutFcn', ?[] , ...
? ? ? ? ? ? ? ? ? 'gui_Callback', ? []);
if nargin && ischar(varargin{1})
? ?gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
? ?[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
? ?gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
% --- Executes just before niulafa is made visible.
function niulafa_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 niulafa (see VARARGIN)
% Choose default command line output for niulafa
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes niulafa wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = niulafa_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;
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
? ?set(hObject,'BackgroundColor','white');
else
? ?set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end
function edit3_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit3 (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 edit3 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit3 as a double
% --- Executes during object creation, after setting all properties.
function edit3_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit3 (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
% --- Executes on selection change in listbox1.
function listbox1_Callback(hObject, eventdata, handles)
% hObject ? ?handle to listbox1 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?structure with handles and user data (see GUIDATA)
% Hints: contents = get(hObject,'String') returns listbox1 contents as cell array
% ? ? ? ?contents{get(hObject,'Value')} returns selected item from listbox1
% --- Executes during object creation, after setting all properties.
function listbox1_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to listbox1 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?empty - handles not created until after all CreateFcns called
% Hint: listbox 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
% --- Executes on selection change in listbox2.
function listbox2_Callback(hObject, eventdata, handles)
% hObject ? ?handle to listbox2 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?structure with handles and user data (see GUIDATA)
% Hints: contents = get(hObject,'String') returns listbox2 contents as cell array
% ? ? ? ?contents{get(hObject,'Value')} returns selected item from listbox2
% --- Executes during object creation, after setting all properties.
function listbox2_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to listbox2 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?empty - handles not created until after all CreateFcns called
% Hint: listbox 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
% --- 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)
nPQ=str2num(get(handles.edit1,'string'));
nPV=str2num(get(handles.edit3,'string'));
n=nPQ+nPV+1;
load Ps.txt;
load Qs.txt;
load Us.txt;
% ? ? nl ?nr ? R ? ? ? X ? ? ? ?Bl ? ? ?Br
load zdata.txt;
% ? ? ?nx ? B
load xdata.txt;
dPQU=1;
%ì
nl=zdata(:,1);
nr=zdata(:,2);
R=zdata(:,3);
X=zdata(:,4);
Bl=zdata(:,5);
Br=zdata(:,6);
nx=xdata(:,1);
Bx=xdata(:,2);
nbr=length(zdata(:,1));
nbrx=length(xdata(:,1));
Z=R+j*X;
y=ones(nbr,1)./Z;
Y=zeros(n,n);
%¨¨
for ii=1:nbr
? ?Y(nl(ii),nr(ii))= Y(nl(ii),nr(ii))-y(ii);
? ?Y(nr(ii),nl(ii))= Y(nl(ii),nr(ii));
end
%
for ii=1:n
? ?for jj=1:nbr
? ? ? ?if nl(jj)==ii|nr(jj)==ii
? ? ? ? ? ?Y(ii,ii)=Y(ii,ii)+y(jj);
? ? ? ?end
? ?end
end
for ii=1:nbr
? ?Y(nl(ii),nl(ii))= Y(nl(ii),nl(ii))+j*Bl(ii);
? ?Y(nr(ii),nr(ii))= Y(nr(ii),nr(ii))+j*Br(ii);
end
for ii=1:nbrx
? ?Y(nx(ii),nx(ii))=Y(nx(ii),nx(ii))+j*Bx(ii);
end
%¨¨GB
G=real(Y);
B=imag(Y);
Y
e=real(Us);
f=imag(Us);
k=0;
delta=str2num(get(handles.edit11,'string'));
while dPQU>delta
? ?%ìdP
? ?dP=zeros(n-1,1);
? ?for ii=1:n-1
? ? ? ?t=0; ? ? ?
? ? ? ?for jj=1:n
? ? ? ? ? ?t=t+conj(Y(ii,jj))*(e(jj)-j*f(jj)); ? ? ? ? ?
? ? ? ?end
? ? ? ?dP(ii)=Ps(ii)-real(t*(e(ii)+j*f(ii))); ? ? ? ? ? ?
? ?end ? ?
? ?%ìdQ
? ?dQ=zeros(nPQ,1);
? ?for ii=1:nPQ
? ? ? ?t=0;
? ? ? ?for jj=1:n
? ? ? ? ? ?t=t+conj(Y(ii,jj))*(e(jj)-j*f(jj));
? ? ? ?end
? ? ? ?dQ(ii)=Qs(ii)-imag(t*(e(ii)+j*f(ii)));
? ?end
? ?%ìdU^2
? ?dU2=zeros(nPV,1);
? ?ii=1:nPV;
? ? ? ?dU2(ii)=abs(Us(ii+nPQ))^2-abs(e(ii+nPQ)+j*f(ii+nPQ))^2;
? ?dS=[dP;dQ;dU2];
? ?dPQU=max(abs(dS));
? ?if(dPQU>0.00001)
? ? ? ?k=k+1;
? ? ? ?%
? ? ? ?Jacob=zeros(2*(n-1),2*(n-1));
? ? ? ?%P¨¨
? ? ? ?for ii=1:n-1
? ? ? ? ? ?mid1=0;
? ? ? ? ? ?mid2=0;
? ? ? ? ? ?for jj=1:n
? ? ? ? ? ? ? ?if ii~=jj&&jj<n
? ? ? ? ? ? ? ? ? ?Jacob(ii,2*jj-1)=-(G(ii,jj)*e(ii)+B(ii,jj)*f(ii));
? ? ? ? ? ? ? ? ? ?Jacob(ii,2*jj)=B(ii,jj)*e(ii)-G(ii,jj)*f(ii);
? ? ? ? ? ? ? ?end
? ? ? ? ? ? ? ?mid1=mid1+G(ii,jj)*f(jj)+B(ii,jj)*e(jj);
? ? ? ? ? ? ? ?mid2=mid2+G(ii,jj)*e(jj)-B(ii,jj)*f(jj); ? ?
? ? ? ? ? ?end
? ? ? ? ? ?Jacob(ii,2*ii-1)=-mid2-G(ii,ii)*e(ii)-B(ii,ii)*f(ii);
? ? ? ? ? ?Jacob(ii,2*ii)=-mid1+B(ii,ii)*e(ii)-G(ii,ii)*f(ii);
? ? ? ?end
? ? ? ?%Q¨¨
? ? ? ?for ii=1:nPQ
? ? ? ? ? ?mid1=0;
? ? ? ? ? ?mid2=0;
? ? ? ? ? ?for jj=1:n
? ? ? ? ? ? ? ?if ii~=jj&&jj<n
? ? ? ? ? ? ? ? ? ?Jacob(ii+n-1,2*jj-1)=B(ii,jj)*e(ii)-G(ii,jj)*f(ii);
? ? ? ? ? ? ? ? ? ?Jacob(ii+n-1,2*jj)=G(ii,jj)*e(ii)+B(ii,jj)*f(ii);
? ? ? ? ? ? ? ?end
? ? ? ? ? ? ? ?mid1=mid1+G(ii,jj)*f(jj)+B(ii,jj)*e(jj);
? ? ? ? ? ? ? ?mid2=mid2+G(ii,jj)*e(jj)-B(ii,jj)*f(jj);
? ? ? ? ? ?end
? ? ? ? ? ?Jacob(ii+n-1,2*ii-1)=mid1+B(ii,ii)*e(ii)-G(ii,ii)*f(ii);
? ? ? ? ? ?Jacob(ii+n-1,2*ii)=-mid2+G(ii,ii)*e(ii)+B(ii,ii)*f(ii);
? ? ? ?end
? ? ? ?%U2¨¨
? ? ? ?for ii=nPQ+1:n-1
? ? ? ? ? ?Jacob(ii+n-1,2*ii-1)=-2*e(ii);
? ? ? ? ? ?Jacob(ii+n-1,2*ii)=-2*f(ii);
? ? ? ?end
? ? ? ?dU=-inv(Jacob)*dS;
? ? ? ?de=zeros(n-1,1);
? ? ? ?df=zeros(n-1,1);
? ? ? ?ii=1:n-1;
? ? ? ? ? ?de(ii)=dU(2*ii-1);
? ? ? ? ? ?df(ii)=dU(2*ii);
? ? ? ? ? ?e(ii)=e(ii)+de(ii);
? ? ? ? ? ?f(ii)=f(ii)+df(ii);
? ?end
end%ììì
U=e+j*f;
%PVQ
P=zeros(n,1);
Q=zeros(n,1);
for ii=1:nPV
? ? ? ?t=0;
? ? ? ?for jj=1:n
? ? ? ? ? ?t=t+conj(Y(ii+nPQ,jj))*(e(jj)-j*f(jj));
? ? ? ?end
? ? ? ?Q(ii+nPQ)=imag(t*(e(ii+nPQ)+j*f(ii+nPQ)));
end
%
t=0; ? ? ?
for jj=1:n
? ?t=t+conj(Y(n,jj))*(e(jj)-j*f(jj)); ? ? ? ? ?
end
P(n)=real(t*(e(n)+j*f(n)));
Q(n)=imag(t*(e(n)+j*f(n)));
ii=1:n-1;
? ?P(ii)=Ps(ii);
ii=1:nPQ;
? ?Q(ii)=Qs(ii);
%¨¨
Sij=zeros(nbr,1);
Sji=zeros(nbr,1);
dSij=zeros(nbr,1);
for ii=1:nbr
? ?Sij(ii)=U(nl(ii))*(conj(U(nl(ii)))*(-j*Bl(ii))+(conj(U((nl(ii))))-conj(U((nr(ii)))))*conj(y(ii)));
? ?Sji(ii)=U(nr(ii))*(conj(U(nr(ii)))*(-j*Br(ii))+(conj(U((nr(ii))))-conj(U((nl(ii)))))*conj(y(ii)));
? ?dSij(ii)=Sij(ii)+Sji(ii);
end
nn=[1:n]';
nefPQ=[nn e f P Q];
nefPQ=num2str(nefPQ,'%-10.4f');
Pij=real(Sij);Qij=imag(Sij);
Pji=real(Sji);Qji=imag(Sji);
dPij=real(dSij);dQij=imag(dSij);
S=[nl nr Pij Qij Pji Qji dPij dQij];
S=num2str(S,'%-10.4f');
set(handles.listbox1,'string',nefPQ)
set(handles.listbox2, 'string',S)
set(handles.edit9,'string',num2str(k))
% --- 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)
close(gcf);
run('kechengsheji');
function edit4_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit4 (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 edit4 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit4 as a double
% --- Executes during object creation, after setting all properties.
function edit4_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit4 (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 edit6_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit6 (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 edit6 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit6 as a double
% --- Executes during object creation, after setting all properties.
function edit6_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit6 (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 edit7_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit7 (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 edit7 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit7 as a double
% --- Executes during object creation, after setting all properties.
function edit7_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit7 (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 edit8_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit8 (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 edit8 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit8 as a double
% --- Executes during object creation, after setting all properties.
function edit8_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit8 (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
% --- 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)
open('niulafa.txt');
function edit9_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit9 (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 edit9 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit9 as a double
% --- Executes during object creation, after setting all properties.
function edit9_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit9 (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 edit10_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit10 (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 edit10 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit10 as a double
% --- Executes during object creation, after setting all properties.
function edit10_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit10 (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
% --- 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)
open('Us.txt');
% --- Executes on button press in pushbutton5.
function pushbutton5_Callback(hObject, eventdata, handles)
% hObject ? ?handle to pushbutton5 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?structure with handles and user data (see GUIDATA)
open('Ps.txt');
% --- Executes on button press in pushbutton6.
function pushbutton6_Callback(hObject, eventdata, handles)
% hObject ? ?handle to pushbutton6 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?structure with handles and user data (see GUIDATA)
open('Qs.txt');
% --- Executes on button press in pushbutton7.
function pushbutton7_Callback(hObject, eventdata, handles)
% hObject ? ?handle to pushbutton7 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?structure with handles and user data (see GUIDATA)
open('zdata.txt');
% --- Executes on button press in pushbutton9.
function pushbutton9_Callback(hObject, eventdata, handles)
% hObject ? ?handle to pushbutton9 (see GCBO)
% eventdata ?reserved - to be defined in a future version of MATLAB
% handles ? ?structure with handles and user data (see GUIDATA)
open('xdata.txt');
function edit11_Callback(hObject, eventdata, handles)
% hObject ? ?handle to edit11 (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 edit11 as text
% ? ? ? ?str2double(get(hObject,'String')) returns contents of edit11 as a double
% --- Executes during object creation, after setting all properties.
function edit11_CreateFcn(hObject, eventdata, handles)
% hObject ? ?handle to edit11 (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
3 仿真結(jié)果



4 參考文獻
[1]張惠萍. MATLAB在供電系統(tǒng)仿真中的研究與應用[J]. 微計算機信息, 2012(1):2.
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