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Iterative linear parameter estimation for multichannel systems - ssm system model in time domain.
pl = plist('hostname', 'lpsdas01.esac.esa.int', 'database', 'ex6');
o1_1 = ao(pl.pset('binary', 'yes', 'id', 68)); o12_1 = ao(pl.pset('binary', 'yes', 'id', 69)); o1_2 = ao(pl.pset('binary', 'yes', 'id', 74)); o12_2 = ao(pl.pset('binary', 'yes', 'id', 75));
is1 = matrix(pl.pset('binary', 'yes', 'id', 78)); is2 = matrix(pl.pset('binary', 'yes', 'id', 79)); is1ao = is1.getObjectAtIndex(1); is2ao = is2.getObjectAtIndex(2); % set port names for fit is1names = {'INPUTGUIDANCE.ifo_x1'}; is2names = {'INPUTGUIDANCE.ifo_x12'}; InputNames = {is1names,is2names};
% Stoc filter fil1 = filterbank(pl.pset('binary', 'yes', 'id', 76)); fil2 = filterbank(pl.pset('binary', 'yes', 'id', 77)); fil3 = filterbank(miir()); % build matrix wf = matrix(fil1,fil3,fil3,fil2,plist('shape',[2 2]));
H = ssm(plist('built-in','LTP',... 'Version','Fitting',... 'Continuous',true,... 'dim',1,... 'SYMBOLIC PARAMS',... {'FEEPS_XX','CAPACT_TM2_XX','IFO_X12X1','EOM_TM1_STIFF_XX','EOM_TM2_STIFF_XX','DELAY_X1','DELAY_X12'}));
% empty ao
%%% exp_3_1 %%% os1 = matrix(o1_1,o12_1,plist('shape',[2 1])); %%% exp_3_2 %%% os2 = matrix(o1_2,o12_2,plist('shape',[2 1])); %%% output names OutputNames = {{'IFO.x1','IFO.x12'},{'IFO.x1','IFO.x12'}}; %%% Input signals iS = collection(is1ao,is2ao); %%% Fit Params %%% usedparams = {'FEEPS_XX','CAPACT_TM2_XX','IFO_X12X1','EOM_TM1_STIFF_XX','EOM_TM2_STIFF_XX','DELAY_X1','DELAY_X12'}; %%% set bounded params bdparams = {'DELAY_X1','DELAY_X12'}; bdvals = {[0.1 0.3],[0.1 0.3]}; %%% set numerical derivative step diffStep = [0.01,0.01,1e-7,1e-7,1e-7,0.001,0.001];
plfit = plist(... 'FitParams',usedparams,... 'BoundedParams',bdparams,... 'BoundVals',bdvals,... 'diffStep',diffStep,... 'Model',H,... 'Input',iS,... 'InputNames',InputNames,... 'OutputNames',OutputNames,... 'WhiteningFilter',wf,... 'tol',1,... 'Nloops',5,... 'Ncut',1e5); opars = linfitsvd(os1,os2,plfit);
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Iterative linear parameter estimation for multichannel systems - symbolic system model in frequency domain | Z-Domain Fit | ![]() |
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