ltrdemo2.m

数字通信第四版原书的例程

set_param([sys,'/',['Additive',13,'noise']],...
		'Mask Display','plot(1:20,rand(1,20))',...
		'Mask Type','Input Noise')
set_param([sys,'/',['Additive',13,'noise']],...
		'Mask Dialogue','White noise for continuous (s-domain) systems.\nBand-limited using zero-order-hold.|Noise Variance:|Sample Time:|Seed')
set_param([sys,'/',['Additive',13,'noise']],...
		'Mask Translate','Cov = @1; Ts = @2; seed = @3; r = rand(1,12)-0.5; ')
set_param([sys,'/',['Additive',13,'noise']],...
		'Mask Help','Implemented using white noise into Zero Order Hold block. For faster simulation set sample time to highest value possible but in accordance with the fastest dynamics of system.')
set_param([sys,'/',['Additive',13,'noise']],...
		'Mask Entries','0.1\/1\/12345\/')


%     Finished composite block ['Additive',13,'noise'].

set_param([sys,'/',['Additive',13,'noise']],...
		'position',[70,19,115,51])


%     Subsystem  ['Multiplicative',13,'noise'].

new_system([sys,'/',['Multiplicative',13,'noise']])
set_param([sys,'/',['Multiplicative',13,'noise']],'Location',[0,0,262,236])

add_block('built-in/Discrete Transfer Fcn',[sys,'/',['Multiplicative',13,'noise/Zero Order Hold']])
set_param([sys,'/',['Multiplicative',13,'noise/Zero Order Hold']],...
		'Numerator','[sqrt(Cov)]',...
		'Denominator','[sqrt(Ts)]',...
		'Sample time','Ts',...
		'position',[140,61,205,99])

add_block('built-in/White Noise',[sys,'/',['Multiplicative',13,'noise/White Noise']])
set_param([sys,'/',['Multiplicative',13,'noise/White Noise']],...
		'Seed','seed',...
		'position',[55,70,75,90])

add_block('built-in/Outport',[sys,'/',['Multiplicative',13,'noise/out_1']])
set_param([sys,'/',['Multiplicative',13,'noise/out_1']],...
		'position',[235,70,255,90])
add_line([sys,'/',['Multiplicative',13,'noise']],[80,80;130,80])
add_line([sys,'/',['Multiplicative',13,'noise']],[210,80;225,80])
set_param([sys,'/',['Multiplicative',13,'noise']],...
		'Mask Display','plot(1:20,rand(1,20))',...
		'Mask Type','Input Noise')
set_param([sys,'/',['Multiplicative',13,'noise']],...
		'Mask Dialogue','White noise for continuous (s-domain) systems.\nBand-limited using zero-order-hold.|Noise Variance:|Sample Time:|Seed')
set_param([sys,'/',['Multiplicative',13,'noise']],...
		'Mask Translate','Cov = @1; Ts = @2; seed = @3; r = rand(1,12)-0.5; ')
set_param([sys,'/',['Multiplicative',13,'noise']],...
		'Mask Help','Implemented using white noise into Zero Order Hold block. For faster simulation set sample time to highest value possible but in accordance with the fastest dynamics of system.')
set_param([sys,'/',['Multiplicative',13,'noise']],...
		'Mask Entries','0.1\/1\/12345\/')


%     Finished composite block ['Multiplicative',13,'noise'].

set_param([sys,'/',['Multiplicative',13,'noise']],...
		'position',[155,44,200,76])

add_block('built-in/State-space',[sys,'/','Plant'])
set_param([sys,'/','Plant'],...
		'A','a',...
		'B','b',...
		'C','c',...
		'D','d',...
		'position',[220,107,300,153])

add_block('built-in/Scope',[sys,'/','Scope'])
set_param([sys,'/','Scope'],...
		'Vgain','7.000000',...
		'Hgain','10.000000',...
		'Vmax','Inf',...
		'Hmax','20.000000',...
		'Window',[0,0,481,255],...
		'position',[515,107,535,133])


%     Subsystem  ['About ltr',13,'demo2'].

new_system([sys,'/',['About ltr',13,'demo2']])
set_param([sys,'/',['About ltr',13,'demo2']],'Location',[2,439,106,512])
set_param([sys,'/',['About ltr',13,'demo2']],...
		'Mask Display','?',...
		'Mask Type','',...
		'Mask Dialogue','eval(''clc; more(24); help ltrdata2; more off;'')',...
		'Mask Translate','',...
		'Mask Help','')


%     Finished composite block ['About ltr',13,'demo2'].

set_param([sys,'/',['About ltr',13,'demo2']],...
		'hide name',0,...
		'Drop Shadow',4,...
		'position',[507,267,543,296])


%     Subsystem  ['Double click here',13,'to start loading data',13,'and mu-syn design'].

new_system([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design']])
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design']],'Location',[2,439,106,512])
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design']],...
		'Mask Display','Re-Load\nData',...
		'Mask Type','')
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design']],...
		'Mask Dialogue','eval(''if ~exist(''''ltry''''),fprintf(''''\nMust be licensed for RCT Toolbox\n''''), else, ltrdata2; end'')',...
		'Mask Translate','')
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design']],...
		'Mask Help','')


%     Finished composite block ['Double click here',13,'to start loading data',13,'and mu-syn design'].

set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design']],...
		'hide name',0,...
		'position',[10,264,82,297])


%     Subsystem  ['Double click here',13,'to start loading data',13,'and mu-syn design1'].

new_system([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design1']])
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design1']],'Location',[2,439,106,512])
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design1']],...
		'Mask Display','Re-design',...
		'Mask Type','')
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design1']],...
		'Mask Dialogue','eval(''if ~exist(''''ltry''''),fprintf(''''\nMust be licensed for RCT Toolbox\n''''), else, fprintf(''''\nCtrl_C to abort RCT Calculation\n\n''''); ltrdes2; end'')')
set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design1']],...
		'Mask Translate','',...
		'Mask Help','')


%     Finished composite block ['Double click here',13,'to start loading data',13,'and mu-syn design1'].

set_param([sys,'/',['Double click here',13,'to start loading data',13,'and mu-syn design1']],...
		'hide name',0,...
		'position',[94,265,166,298])


%     Subsystem  ['Double click here',13,'to show bode plot',13,'of closed-loop3'].

new_system([sys,'/',['Double click here',13,'to show bode plot',13,'of closed-loop3']])
set_param([sys,'/',['Double click here',13,'to show bode plot',13,'of closed-loop3']],'Location',[2,439,106,512])
set_param([sys,'/',['Double click here',13,'to show bode plot',13,'of closed-loop3']],...
		'Mask Display','Closed-Loop\nBode Plot',...
		'Mask Type','')
set_param([sys,'/',['Double click here',13,'to show bode plot',13,'of closed-loop3']],...
		'Mask Dialogue','eval(''if ~exist(''''ae''''),fprintf(''''\nMust Load Data & Design First\n''''),else [x,y,z,w]=feedback(a,b,c,d,ae,be,ce,de,-1); [x,y,w]=bode(x,y,z,w); clg; subplot(211); loglog(w,x(:,1)); subplot(212); semilogx(w,y(:,1)); subplot(111);end'')')
set_param([sys,'/',['Double click here',13,'to show bode plot',13,'of closed-loop3']],...
		'Mask Translate','',...
		'Mask Help','')


%     Finished composite block ['Double click here',13,'to show bode plot',13,'of closed-loop3'].

set_param([sys,'/',['Double click here',13,'to show bode plot',13,'of closed-loop3']],...
		'hide name',0,...
		'position',[174,266,254,298])


%     Subsystem  ['Double click here',13,'to show zero-pole',13,'plot of controller'].

new_system([sys,'/',['Double click here',13,'to show zero-pole',13,'plot of controller']])
set_param([sys,'/',['Double click here',13,'to show zero-pole',13,'plot of controller']],'Location',[2,439,106,512])
set_param([sys,'/',['Double click here',13,'to show zero-pole',13,'plot of controller']],...
		'Mask Display','Controller\nNyquist',...
		'Mask Type','')
set_param([sys,'/',['Double click here',13,'to show zero-pole',13,'plot of controller']],...
		'Mask Dialogue','eval(''if ~exist(''''ae''''), printf(''''Must Load Data & Desgin First''''), else,clg; nyquist(ae,be,ce,de), end'')',...
		'Mask Translate','')
set_param([sys,'/',['Double click here',13,'to show zero-pole',13,'plot of controller']],...
		'Mask Help','')


%     Finished composite block ['Double click here',13,'to show zero-pole',13,'plot of controller'].

set_param([sys,'/',['Double click here',13,'to show zero-pole',13,'plot of controller']],...
		'hide name',0,...
		'position',[425,265,498,298])


%     Subsystem  ['Double click here',13,'to show bode plot ',13,'of controller'].

new_system([sys,'/',['Double click here',13,'to show bode plot ',13,'of controller']])
set_param([sys,'/',['Double click here',13,'to show bode plot ',13,'of controller']],'Location',[2,439,106,512])
set_param([sys,'/',['Double click here',13,'to show bode plot ',13,'of controller']],...
		'Mask Display','Closed-Loop\nNyquist',...
		'Mask Type','')
set_param([sys,'/',['Double click here',13,'to show bode plot ',13,'of controller']],...
		'Mask Dialogue','eval(''if ~exist(''''ae''''), printf(''''Must Load Data & Desgin First''''), else,[x,y,z,w]=feedback(a,b,c,d,ae,be,ce,de,-1); clg, nyquist(x,y,z,w); end'')')
set_param([sys,'/',['Double click here',13,'to show bode plot ',13,'of controller']],...
		'Mask Translate','',...
		'Mask Help','')


%     Finished composite block ['Double click here',13,'to show bode plot ',13,'of controller'].

set_param([sys,'/',['Double click here',13,'to show bode plot ',13,'of controller']],...
		'hide name',0,...
		'position',[340,267,420,298])
add_line(sys,[445,120;460,120;460,200;405,200])
add_line(sys,[460,160;500,160])
add_line(sys,[120,35;400,35;400,110;415,110])
add_line(sys,[305,130;320,130;320,70;335,70])
add_line(sys,[320,130;415,130])
add_line(sys,[205,60;335,60])
add_line(sys,[445,120;505,120])
add_line(sys,[375,65;385,65;385,120;415,120])
add_line(sys,[195,130;210,130])
add_line(sys,[80,165;120,165;120,125;160,125])
add_line(sys,[90,220;130,220;130,135;160,135])
add_line(sys,[370,205;320,205])
add_line(sys,[215,205;145,205;145,145;160,145])
add_line(sys,[90,115;160,115])
add_line(sys,[505,210;405,210])
% Return any arguments.
if (nargin | nargout)
	% Must use feval here to access system in memory
	if (nargin > 3)
		if (flag == 0)
			eval(['[ret,x0,str]=',sys,'(t,x,u,flag);'])
		else
			eval(['ret =', sys,'(t,x,u,flag);'])
		end
	else
		[ret,x0,str] = feval(sys);
	end
end