基于matlab的PID参数整定

function varargout = dlb(varargin) % GUI主程序 gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @dlb_OpeningFcn, ... 'gui_OutputFcn', @dlb_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []); if nargin & isstr(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 %-----------------------打开界面------------------------% function dlb_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; guidata(hObject, handles); global h1 h2 h3; axes(handles.sys1); axis equal; axis([0 5 -20 20 0 20]); grid on; view(80,30); reall=15; ll=4+reall; v=[0 0 0;0 5 0;3 5 0;3 0 0;0 0 3;0 5 3;3 5 3;3 0 3]; f=[1 2 3 4;2 6 7 3;4 3 7 8;1 5 8 4;1 2 6 5;5 6 7 8]; g_v=[1 2 3;1 3 3;2 3 3;2 2 3;1 2 ll;1 3 ll;2 3 ll;2 2 ll]; g_f=[1 2 3 4;2 6 7 3;4 3 7 8;1 5 8 4;1 2 6 5;5 6 7 8]; h1=patch('Faces',f,'Vertices',v,'FaceColor','b'); h2=patch('Faces',g_f,'Vertices',g_v,'FaceColor','r'); hold on; [ballx,bally,ballz]=sphere(8); ballo=[1.5 2.5 ll]; h3=surf(ballx*1.1+ballo(1),bally*1.1+ballo(2),ballz*1.1+ballo(3)); colormap(autumn); axes(handles.sys3); sys3data=imread('model.jpg'); %打开倒立摆示意图 image(sys3data); set(gca,'Xtick',[],'Ytick',[],'box','on'); function varargout = dlb_OutputFcn(hObject, eventdata, handles) %输出函数 varargout{1} = handles.output; function normal(hObject, eventdata, handles) %公共调用函数 if ispc set(hObject,'BackgroundColor','white'); else set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor')); end %----------------------------倒立摆模型参数创建---------------------------% function mc_CreateFcn(hObject, eventdata, handles) %M,小车质量 normal(hObject, eventdata, handles); function mc_Callback(hObject, eventdata, handles) function l_CreateFcn(hObject, eventdata, handles) %L，摆杆长度 normal(hObject, eventdata, handles); function l_Callback(hObject, eventdata, handles) function mq_CreateFcn(hObject, eventdata, handles) %m，摆杆质量 normal(hObject, eventdata, handles); function mq_Callback(hObject, eventdata, handles) %-------------------------LQR参数创建-------------------------% function q1_CreateFcn(hObject, eventdata, handles) %q1 normal(hObject, eventdata, handles); function q1_Callback(hObject, eventdata, handles) function q2_CreateFcn(hObject, eventdata, handles) %q2 normal(hObject, eventdata, handles); function q2_Callback(hObject, eventdata, handles) function q3_CreateFcn(hObject, eventdata, handles) %q3 normal(hObject, eventdata, handles); function q3_Callback(hObject, eventdata, handles) function q4_CreateFcn(hObject, eventdata, handles) %q4 normal(hObject, eventdata, handles); function q4_Callback(hObject, eventdata, handles) function r_CreateFcn(hObject, eventdata, handles) %R normal(hObject, eventdata, handles); function r_Callback(hObject, eventdata, handles) %-----------------采用LQR,计算增益K------------------% function lqrok_Callback(hObject, eventdata, handles) global A B C D K; M_str=get(handles.mc,'string'); M=str2double(M_str); %获取小车质量M m_str=get(handles.mq,'string'); m=str2double(m_str); %获取摆杆质量m L_str=get(handles.l,'string'); L=str2double(L_str); %获取摆杆长度L q1_str=get(handles.q1,'string'); q1=str2double(q1_str); q2_str=get(handles.q2,'string'); q2=str2double(q2_str); q3_str=get(handles.q3,'string'); q3=str2double(q3_str); q4_str=get(handles.q4,'string'); q4=str2double(q4_str); R_str=get(handles.r,'string'); R=str2double(R_str); Q=[q1,0,0,0;0,q2,0,0;0,0,q3,0;0,0,0,q4]; %Inverted Pendulum Model g=9.8; I=1/12*m*L^2; l=1/2*L; t1=m*(M+m)*g*l/[(M+m)*I+M*m*l^2]; t2=-m^2*g*l^2/[(m+M)*I+M*m*l^2]; t3=-m*l/[(M+m)*I+M*m*l^2]; t4=(I+m*l^2)/[(m+M)*I+M*m*l^2]; A=[0,1,0,0;t1,0,0,0;0,0,0,1;t2,0,0,0]; B=[0;t3;0;t4]; C=[0,0,1,0]; D=[0]; [K,sz,ez]=lqr(A,B,Q,R); %利用LQR方法计算K值 set(handles.k1,'string',K(1)); set(handles.k2,'string',K(2)); set(handles.k3,'string',K(3)); set(handles.k4,'string',K(4)); %--------------------K的创建-----------------------% function k1_CreateFcn(hObject, eventdata, handles) %K1 normal(hObject, eventdata, handles); function k1_Callback(hObject, eventdata, handles) function k2_CreateFcn(hObject, eventdata, handles) %K2 normal(hObject, eventdata, handles); function k2_Callback(hObject, eventdata, handles) function k3_CreateFcn(hObject, eventdata, handles) %K3 normal(hObject, eventdata, handles); function k3_Callback(hObject, eventdata, handles) function k4_CreateFcn(hObject, eventdata, handles) %K4 normal(hObject, eventdata, handles); function k4_Callback(hObject, eventdata, handles) %------------------------摆角度和小车位置初始值设定-----------------------% function in_po_CreateFcn(hObject, eventdata, handles) %小车水平位置创建 normal(hObject, eventdata, handles); function in_po_Callback(hObject, eventdata, handles) %小车水平位置回调 Current_Val=str2num(get(hObject,'string')); set(handles.slider_po,'Value',Current_Val); function slider_po_CreateFcn(hObject, eventdata, handles) %小车水平拖动条创建 usewhitebg = 1; if usewhitebg set(hObject,'BackgroundColor',[.9 .9 .9]); else set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor')); end function slider_po_Callback(hObject, eventdata, handles) %小车水平拖动条回调 global h1 h2 h3; Value=get(hObject,'Value'); set(handles.in_po,'String',Value); axes(handles.sys1); axis equal; axis([0 5 -20 20 0 20]); reall=15; ll=4+reall; v=[0 0 0;0 5 0;3 5 0;3 0 0;0 0 3;0 5 3;3 5 3;3 0 3]; f=[1 2 3 4;2 6 7 3;4 3 7 8;1 5 8 4;1 2 6 5;5 6 7 8]; g_v=[1 2 3;1 3 3;2 3 3;2 2 3;1 2 ll;1 3 ll;2 3 ll;2 2 ll]; g_f=[1 2 3 4;2 6 7 3;4 3 7 8;1 5 8 4;1 2 6 5;5 6 7 8]; delete(h1);delete(h2);delete(h3); i=get(handles.slider_po,'Value')*10; bbb=[0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;]; v1=v+bbb; af=get(handles.slider_ag,'Value'); gt1=0.5*cos(-af)-0.5; gt2=0.5*sin(-af)-0; gt3=0.5/cos(af)+(ll-0.5*tan(af))*sin(af)-cos(af)+0.5; gt4=(ll-0.5*tan(af))*cos(af)+sin(af)-ll; gt5=0.5/cos(af)+(ll-0.5*tan(af))*sin(af)-0.5; gt6=(ll-0.5*tan(af))*cos(af)-ll; jiao=[0 -gt1 -gt2;0 gt1 gt2;0 gt1 gt2;0 -gt1 -gt2;0 gt3 gt4;0 gt5 gt6;0 gt5 gt6;0 gt3 gt4]; g_v1=g_v+jiao+bbb; h1=patch('Faces',f,'Vertices',v1,'FaceColor','b'); h2=patch('Faces',g_f,'Vertices',g_v1,'FaceColor','r'); hold on; [ballx,bally,ballz]=sphere(8); ballo=[1.5 2.5 ll]; bally_1=bally*1.1+i+ballo(2)+ll*sin(af); ballz_1=ballz*1.1+ll*cos(af); h3=surf(ballx*1.1+ballo(1),bally_1,ballz_1); colormap(autumn); function in_ag_CreateFcn(hObject, eventdata, handles) %摆杆角度创建 normal(hObject, eventdata, handles); function in_ag_Callback(hObject, eventdata, handles) %摆杆角度回调 Current_Val=str2num(get(hObject,'string')); set(handles.slider_ag,'Value',Current_Val); function slider_ag_CreateFcn(hObject, eventdata, handles) %摆杆角度拖动条创建 usewhitebg = 1; if usewhitebg set(hObject,'BackgroundColor',[.9 .9 .9]); else set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor')); end function slider_ag_Callback(hObject, eventdata, handles) %摆杆角度拖动条回调 global h1 h2 h3; Value=get(hObject,'Value'); set(handles.in_ag,'String',Value); axes(handles.sys1); axis equal; axis([0 5 -20 20 0 20]); v=[0 0 0;0 5 0;3 5 0;3 0 0;0 0 3;0 5 3;3 5 3;3 0 3]; f=[1 2 3 4;2 6 7 3;4 3 7 8;1 5 8 4;1 2 6 5;5 6 7 8]; reall=15; ll=4+reall; g_v=[1 2 3;1 3 3;2 3 3;2 2 3;1 2 ll;1 3 ll;2 3 ll;2 2 ll]; g_f=[1 2 3 4;2 6 7 3;4 3 7 8;1 5 8 4;1 2 6 5;5 6 7 8]; delete(h1);delete(h2);delete(h3); i=get(handles.slider_po,'Value')*10; bbb=[0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;0 i 0;]; v1=v+bbb;