159 lines
3.6 KiB
Matlab
159 lines
3.6 KiB
Matlab
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raw=desPos_actPos.Data
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raw(:,2)=raw(:,1)*100
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ft=fft(raw);
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plot(log(abs(ft)));
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plot(log(abs(ft(:,1)./ft(:,2))));
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i=int(minFrq*tSec); j=int(maxFrq*tSec); #print(w[i],w[j])
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x=2+3j
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rho=abs(x)
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theta=angle(x)
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%-------------------
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x=rho*exp(j*theta)
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figure();
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h=pzplot(ssc.ss_cl(3),ssc.ss_o(3),ssc.ss_od(3));
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setoptions(h,'FreqUnits','Hz','Grid','on');legend('location','sw');
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%figure();bode(ssc.ss_o(3));
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%figure();tf=tf(ssc.ss_o) pzplot(tf(3));
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h=bodeplot(ssc.ss_cl(3),ssc.ss_o(3),ssc.ss_od(3));
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setoptions(h,'FreqUnits','Hz','Grid','on');
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h=pzplot(ssc.ss_cl(3),ssc.ss_o(3),ssc.ss_od(3));
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setoptions(h,'FreqUnits','Hz','Grid','on');
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h=bodeplot(ssc.ss_cl(3),ssc.ss_o(3),ssc.ss_od(3));
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setoptions(h,'FreqUnits','Hz','Grid','on');
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getoptions(h)
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continous to discrete
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web(fullfile(docroot, 'control/ref/c2d.html'))
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h = tf(10,[1 3 10],'IODelay',0.25);
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hd = c2d(h,0.1)
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function f=SCRATCH()
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open('stage_closed_loop.slx')
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[m1,m2]=identifyFxFyStage();
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controlSystemDesigner(1,m2.tf_py); % <<<<<<<<< This opens a transferfiûnction that can be edited
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%identification toolbox
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systemIdentification
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%opt=tfestOptions('Display','off');
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%opt=tfestOptions('Display','on','initializeMethod','svf');
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%opt=tfestOptions('Display','on','initializeMethod','iv','WeightingFilter',[]);
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%opt=tfestOptions('Display','on','initializeMethod','iv','WeightingFilter',[1,5;20,570]);
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%tf1 = tfest(mot1frq, 6, 4, opt);
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% Model refinement
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% Options = tf1.Report.OptionsUsed;
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% Options.WeightingFilter = 'prediction';
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% tf1_1 = pem(mot1frq, tf1, Options)
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bodeplot(mot1frq,tf1)
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mag,phase=bode(tf1,frq)
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figure(1)
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subplot(211)
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bodeplot(tf1)
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Opt = n4sidOptions('N4Horizon',[15 15 15]);
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n4s3 = n4sid(mot1frq, 3, Opt)
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%tf([1 2],[1 0 10])
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%specifies the transfer function (s+2)/(s^2+10) while
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sys=tf([1],[1,0,0])
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bode(sys)
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step(sys)
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sys=tf([1],[1,-1,2]) %instable
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sys=tf([1],[1,1,2]) %stable
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%0dB at 12 Hz=12*2*pi rad/s =75.4=k^2 -> k=8.6833
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sys=tf([10],[1,0,0])
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%1/s^2 -> 0dB at 1Hz -40dB/decade
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%10=+20dB
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sys=tf([1],[1,0,2]) %not damped constant sine after step
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sys=zpk([],[1,0,0],100) %stable
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sys=zpk([],[-10,-10],100)
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%parker stage 1
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%!encoder_sim(enc=1,tbl=9,mot=9,posSf=13000./2048)
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%!encoder_inc(enc=1,tbl=1,mot=1,posSf=13000./650000)
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%!motor_servo(mot=1,ctrl='ServoCtrl',Kp=25,Kvfb=400,Ki=0.02,Kvff=350,Kaff=5000,MaxInt=1000)
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%!motor(mot=1,dirCur=0,contCur=800,peakCur=2400,timeAtPeak=1,IiGain=5,IpfGain=8,IpbGain=8,JogSpeed=10.,numPhase=3,invDir=True,servo=None,PhasePosSf=1./81250,PhaseFindingDac=100,PhaseFindingTime=50,SlipGain=0,AdvGain=0,PwmSf=10000,FatalFeLimit=200,WarnFeLimit=100,InPosBand=2,homing='enc-index')
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Ts=2E-4 % discrete sample time (servo period)
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Kp=25,Kvfb=400,Ki=0.02,Kvff=350,Kaff=5000,MaxInt=1000
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Kp=25,Kvfb=0,Ki=0,Kvff=0,Kaff=0,MaxInt=0
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num=7.32
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den=[5.995e-04 4.897e-02 1.]
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open('stage_closed_loop.slx')
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%sim('stage_closed_loop.slx')
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sys=tf(num,den)
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bode(sys)
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G = tf(1.5,[1 14 40.02]);
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controlSystemDesigner('bode',sys);
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controlSystemDesigner
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linearSystemAnalyzer
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load ltiexamples
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linearSystemAnalyzer(sys_dc)
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controlSystemDesigner('bode',sys);
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controlSystemDesigner(1,sys); % <<<<<<<<< This opens a transferfiûnction that can be edited
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num=[8.32795069e-11, 1.04317228e-08, 6.68431323e-05, 3.31861324e-03, 7.32824533e+00];
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den=[5.26156641e-18, 1.12897840e-14, 7.67853031e-12, 1.03201301e-08, 2.05154780e-06, 1.34279894e-03, 7.19229912e-02, 1.00000000e+00];
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mot2=tf(num,den);
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controlSystemDesigner('bode',mot2);
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end |