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add matab code for esoh and aging metrics for cycling aging
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| %Andrew degradation calculation | ||
| % clearvars -except partt | ||
| clear | ||
| close all | ||
| load("param41.mat") | ||
| partt=param41; | ||
| % close all | ||
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| set(groot,'defaultAxesXGrid','on') | ||
| set(groot,'defaultAxesYGrid','on') | ||
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| %% | ||
| % | ||
| % discharge_list=["",... | ||
| % "GMJuly2022_CELL016_RPT_3_P25C_5P0PSI_20230103_R0_CH039_20230103170220_36_2_4_2818579475_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL016_RPT_3_P25C_5P0PSI_20230213_R0_CH012_20230213130718_36_2_4_2818579481_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL016_RPT_3_P25C_5P0PSI_20230309_R0_CH012_20230309091051_36_2_4_2818579483_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL016_RPT_3_P25C_5P0PSI_20230404_R0_CH012_20230404091003_36_2_4_2818579492_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL016_RPT_3_P25C_5P0PSI_20230501_R0_CH012_20230501123929_36_2_4_2818579504_DISCHARGE.csv",... | ||
| % ]; | ||
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| % discharge_list=["",... | ||
| % "GMJuly2022_CELL088_RPT_4B_1_P25C_5P0PSI_20221007_R0_CH014_20221007162958_36_2_6_2818579453_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL088_RPT_1_P25C_5P0PSI_20221114_R0_CH014_20221115071211_36_2_6_2818579467_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL088_RPT_3_P25C_5P0PSI_20221213_R0_20221213155616_36_2_6_2818579473_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL088_RPT_3_P25C_5P0PSI_20230213_R0_CH014_20230213130510_36_2_6_2818579480_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL088_RPT_3_P25C_5P0PSI_20230331_R0_CH014_20230331114523_36_2_6_2818579490_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL088_RPT_3_P25C_5P0PSI_20230519_R0_CH014_20230519143056_36_2_6_2818579508_DISCHARGE.csv"]; | ||
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| % discharge_list=["",... | ||
| % "GMJuly2022_CELL081_RPT_1_P25C_5P0PSI_20221007_R0_CH018_20221007163459_36_3_2_2818579454_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL081_RPT_1_P25C_5P0PSI_20221114_R0_CH018_20221115071355_36_3_2_2818579467_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL081_RPT_3_P25C_5P0PSI_20221214_R0_CH018_20221214161546_36_3_2_2818579474_DISCHARGE.csv",... | ||
| % "GMJuly2022_CELL081_RPT_3_P25C_5P0PSI_20230213_R0_CH018_20230213133903_36_3_2_2818579480_DISCHARGE.csv"]; | ||
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| discharge_list=["",... | ||
| "GMJuly2022_CELL041_RPT_1_P25C_5P0PSI_20221007_R0_CH017_20221007163327_36_3_1_2818579453_DISCHARGE.csv",... | ||
| "GMJuly2022_CELL041_RPT_1_P25C_5P0PSI_20221115_R0_CH017_20221115071316_36_3_1_2818579467_DISCHARGE.csv",... | ||
| "GMJuly2022_CELL041_RPT_3_P25C_5P0PSI_20221214_R0_CH017_20221214161410_36_3_1_2818579474_DISCHARGE.csv",... | ||
| "GMJuly2022_CELL041_RPT_3_P25C_5P0PSI_20230213_R0_CH017_20230213133637_36_3_1_2818579480_DISCHARGE.csv",... | ||
| "GMJuly2022_CELL041_RPT_3_P25C_5P0PSI_20230331_R0_CH017_20230331115026_36_3_1_2818579490_DISCHARGE.csv"]; | ||
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| Cn_intial_39=[4.47, 4.37, 4.28, 4.26, 4.25]; | ||
| C_39=[3.54, 3.47, 3.4, 3.36, 3.33]; | ||
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| % Cn_initial_39= | ||
| Xi=[.0;3.7;0.82;4.00;5;0;0]; | ||
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| % Xi=[0.2;4.5;1;3.5]; | ||
| %% | ||
| Xt2=zeros(7,2); | ||
| %% | ||
| Xt2(:,1)=Xi; | ||
| % | ||
| for i=2:length(discharge_list) | ||
| data=readmatrix(discharge_list{i}); | ||
| % data=readmatrix(charge_list{i}); | ||
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| Dis(i).Q=data(2:end,5); Dis(i).V=data(2:end,4); | ||
| % Dis(i).Q=data(2:end,2); Dis(i).V=data(2:end,3); | ||
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| Dis(i).Q=max(Dis(i).Q)-Dis(i).Q; | ||
| tempQ=Dis(i).Q; tempV=Dis(i).V; | ||
| Dis(i).Q=Dis(i).Q(tempV>=2.65 & tempQ>.01); | ||
| Dis(i).V=Dis(i).V(tempV>=2.65 & tempQ>.01); | ||
| Dis(i).Q=Dis(i).Q-Dis(i).Q(end); | ||
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| %% Create RRC voltage | ||
| clear Time t aa yout | ||
| Cell_table=readtable(discharge_list{i}); | ||
| aI=0.175; | ||
| Date=Cell_table(tempV>=2.65 & tempQ>.01,2); | ||
| aa=Date{:,1}; | ||
| Dis(i).t=datetime(aa,'InputFormat','yyyy-MM-dd HH:mm:ssXXXX','TimeZone','America/New_York'); | ||
| Dis(i).days=Dis(i).t; | ||
| Dis(i).t=Dis(i).t-Dis(i).t(1); | ||
| Dis(i).Time=seconds(Dis(i).t); | ||
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| R1=partt(i).R1; R2=partt(i).R2; Rs=partt(i).RS; | ||
| tau1_hat=partt(i).tau1_hat; tau2_hat=partt(i).tau2_hat; | ||
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| for k=1:length(Dis(i).Time) | ||
| Dis(i).yout(k)=Rs*aI ... | ||
| +aI*R1*(1-exp(-(Dis(i).Time(k))/tau1_hat))... | ||
| +aI*R2*(1-exp(-(Dis(i).Time(k))/tau2_hat)); | ||
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| end | ||
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| % figure(25); plot(Dis(i).Time,Dis(i).yout); | ||
| %% | ||
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| % IC_con=Xt2(:,i-1); | ||
| IC_con=Xi(1:4); | ||
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| % IC_con(4)=Cn_intial_04(i-1); | ||
| % IC_con(3)=C_91(i-1)/Cn_intial_39(i-1)+.02; | ||
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| % [Xt2(:,i),fval2(i)] = diagnostics_GMJuly22_ch(Dis(i).Q,Dis(i).V,Xi,Xt2(:,i-1)) | ||
| [Xt2(1:4,i),fval2(i)] = diagnostics_GMJuly22_Dischargeonly_july4_csm(Dis(i).Q,Dis(i).V+Dis(i).yout',Xi(1:4),IC_con) | ||
| faval_rmse(i)=sqrt(fval2(i)/length(Dis(i).Q)); | ||
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| % | ||
| Qtot2(i)=max(Dis(i).Q); | ||
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| Dis(i).V_tt =NMC622_discharge_June15(Xt2(1,i)+Dis(i).Q/Xt2(2,i))-Un_Graphite_Andrew_top(Xt2(3,i)-Dis(i).Q/Xt2(4,i)); | ||
| % Dis(i).V_tt =Up_NMC622_notshifted(Xt2(1,i)+Dis(i).Q/Xt2(2,i))-Un_Graphite(Xt2(3,i)-Dis(i).Q/Xt2(4,i)); | ||
| % Dis(i).V_tt =Up_NMC622_man_shifted(Xt2(1,i)+Dis(i).Q/Xt2(2,i))-Un_Graphite(Xt2(3,i)-Dis(i).Q/Xt2(4,i)); | ||
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| Xt2(5,i)=Qtot2(i); | ||
| Xt2(6,i)=Xt2(1,i)+Qtot2(i)/Xt2(2,i); | ||
| Xt2(7,i)=Xt2(3,i)-Qtot2(i)/Xt2(4,i); | ||
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| % figure(2);hold on; plot(Dis(i).Q,Dis(i).V+Dis(i).yout',LineWidth=2); | ||
| % plot(Dis(i).Q,Dis(i).V_tt,":k") | ||
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| % plot(max(Dis(i).Q)-Dis(i).Q,Dis(i).V_tt,":k",LineWidth=2) | ||
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| %% DVDQ | ||
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| %Using RRC corredcted voltage for dvdq | ||
| Dis(i).VRRC_correc=Dis(i).V+Dis(i).yout'; | ||
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| [Dis(i).Quniq,ia,ic]=unique(Dis(i).Q); | ||
| Dis(i).Vuniq=Dis(i).V(ia); | ||
| Dis(i).Vcor_uniq=Dis(i).VRRC_correc(ia); | ||
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| dQ=5e-3; | ||
| Dis(i).Qint=0:dQ:3.6; | ||
| Dis(i).Vint_unfitered=interp1(Dis(i).Quniq,Dis(i).Vuniq,Dis(i).Qint); | ||
| Dis(i).Vcor_int=interp1(Dis(i).Quniq,Dis(i).Vcor_uniq,Dis(i).Qint); | ||
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| % | ||
| num_no_nans(i) = sum(~isnan(Dis(i).Vint_unfitered)); | ||
| Num_of_nans(i)=length(Dis(i).Vint_unfitered)-num_no_nans(i); | ||
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| % Dis(i).Vint=lowpass(Dis(i).Vint_unfitered(1:num_no_nans(i)),1/1/dQ,1/dQ); | ||
| Dis(i).Qnnan=Dis(i).Qint(1:num_no_nans(i)); | ||
| Dis(i).Vnnan=Dis(i).Vint_unfitered(1:num_no_nans(i)); | ||
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| Dis(i).Vno_nan=Dis(i).Vint_unfitered(~isnan(Dis(i).Vint_unfitered)); | ||
| Dis(i).Vno_nan_cor=Dis(i).Vcor_int(~isnan(Dis(i).Vcor_int)); | ||
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| Dis(i).Qno_nan=Dis(i).Qint(~isnan(Dis(i).Vint_unfitered)) | ||
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| Frameleng=21; | ||
| [b,g] = sgolay(5,Frameleng); | ||
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| Dis(i).V_SG= sgolayfilt(Dis(i).Vno_nan_cor,5,Frameleng); | ||
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| for j=1+5:num_no_nans(i)-5 | ||
| Dis(i).Vint= Dis(i).V_SG; | ||
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| Dis(i).dvdq(j)= [-2, +25, -150, 600, -2100, 0, 2100, -600, 150, -25, 2]/2520*... | ||
| [Dis(i).Vint(j-5); Dis(i).Vint(j-4); Dis(i).Vint(j-3);Dis(i).Vint(j-2);Dis(i).Vint(j-1);Dis(i).Vint(j);... | ||
| Dis(i).Vint(j+1);Dis(i).Vint(j+2);Dis(i).Vint(j+3);Dis(i).Vint(j+4);Dis(i).Vint(j+5)]/dQ ; | ||
| end | ||
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| Dis(i).dvdq_filtered=Dis(i).dvdq; | ||
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| Dis(i).yout_uniq=Dis(i).yout(ia); | ||
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| weight_error=zeros(1,length(Dis(i).dvdq(Frameleng:num_no_nans(i)-Frameleng))); | ||
| weight_error(Frameleng:end-Frameleng)=1; | ||
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| [Dis(i).Vmodel, Dis(i).dvdqmodel]=model_V_dvdq(Xt2(1:4,i), Dis(i).Qnnan',Dis(i).Vnnan',Dis(i).dvdq); | ||
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| Dis(i).yout_interp=interp1(Dis(i).Quniq, Dis(i).yout_uniq, Dis(i).Qnnan); | ||
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| figure(i); | ||
| hold on; | ||
| plot(Dis(i).Qnnan(Frameleng:end-Frameleng-5), Dis(i).dvdqmodel(Frameleng:end-Frameleng)); | ||
| plot(Dis(i).Qnnan(Frameleng:end-Frameleng-5), Dis(i).dvdq(Frameleng:end-Frameleng)); | ||
| legend("model", "data") | ||
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| figure(i+10); | ||
| hold on; | ||
| plot(Dis(i).Qnnan,flipud(Dis(i).Vmodel)'-Dis(i).yout_interp); | ||
| plot(Dis(i).Qnnan,Dis(i).Vnnan); | ||
| legend("model", "data") | ||
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| Dis(i).error_dvdq=weight_error.*(Dis(i).dvdq(Frameleng:num_no_nans(i)-Frameleng)-Dis(i).dvdqmodel(Frameleng:num_no_nans(i)-Frameleng)); | ||
| Dis(i).error_V=Dis(i).Vnnan-flipud(Dis(i).Vmodel)'+Dis(i).yout_interp; | ||
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| rmseV(i)=rms(Dis(i).error_V); | ||
| rmsedVdQ(i)=rms(Dis(i).error_dvdq); | ||
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| end | ||
| %% | ||
| cycles=[1;2;3;4;5]; | ||
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| TOCSV=["Cycle", "x_0", "y_0", "x_100", "y_100","C_n","C_p","Cap", NaN, NaN, "rmse Voltage","rmse dvdq";... | ||
| cycles, Xt2(7,2:end)', Xt2(6,2:end)', Xt2(3,2:end)' , Xt2(1,2:end)', Xt2(4,2:end)', Xt2(2,2:end)' ,... | ||
| Xt2(5,2:end)', NaN*ones(length(discharge_list)-1,1), NaN*ones(length(discharge_list)-1,1),rmseV(2:end)',rmsedVdQ(2:end)']; | ||
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| % TOCSV=[cyc',Ah_thru',xxt2' ,Qtot2(2:13)', (fval2(2:end))']; | ||
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| % TOCSV=["Cycle", "x_0", "y_0", "x_100", "y_100","C_n","C_p","Cap", NaN, NaN, "Fit error x 10";... | ||
| % cycles, Xt2(7,2:end)', Xt2(6,2:end)', Xt2(3,2:end)' , Xt2(1,2:end)', Xt2(4,2:end)', Xt2(2,2:end)' ,... | ||
| % Xt2(5,2:end)', NaN*ones(length(discharge_list)-1,1), NaN*ones(length(discharge_list)-1,1),faval_rmse(2:end)']; | ||
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| writematrix(TOCSV,"C:\Users\Hamid\Desktop\Simona\Rsults NMC\cell041_1D_Andrewtop.csv"); | ||
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| %% Reconstruct | ||
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| function [vmodel,dvdq_model]=model_V_dvdq(X,Q,Vt_data,dVdQ) | ||
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| Q = flipud(max(Q)-Q); | ||
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| dQ=5e-3; | ||
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| V1=NMC622_discharge_June15(X(1)+Q/X(2))-Un_Graphite_Andrew_top(X(3)-Q/X(4)); | ||
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| V = flipud(V1); | ||
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| for j=1+5:length(Vt_data)-5 | ||
| dvdq_model(j)= [-2, +25, -150, 600, -2100, 0, 2100, -600, 150, -25, 2]/2520*... | ||
| [V(j-5); V(j-4); V(j-3);V(j-2);V(j-1);V(j);... | ||
| V(j+1);V(j+2);V(j+3);V(j+4);V(j+5)]/dQ ; | ||
| end | ||
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| % verror=V-Vt_data; | ||
| % dvdq_error=dvdq_model-dVdQ; | ||
| vmodel=V1; | ||
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| end |
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| %% Finding discharge relaxation points | ||
| function [Init,Endit]=Dis_relax_time(data) | ||
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| pulse_amp=2000; | ||
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| Time0=data(:,1); I0=data(:,2); Vt0=data(:,3); %current(mA) | ||
| Cyc_num=data(:,11); | ||
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| Cyc_uniq=unique(Cyc_num); | ||
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| %% In each cycle | ||
| Init=[]; | ||
| for i=1:length(Cyc_uniq) | ||
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| Time=Time0(Cyc_num==Cyc_uniq(i)); | ||
| I=I0(Cyc_num==Cyc_uniq(i)); | ||
| I_diff=diff(I); | ||
| % figure(i);plot(Time,I) | ||
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| indices0=find(I_diff>pulse_amp-600 & I_diff<pulse_amp+600); | ||
| indices=indices0(I(indices0-1)<0); | ||
| Time_indices=Time(indices); | ||
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| if length(indices)<size(Init,2) | ||
| Time_indices=[Time_indices; 0]; | ||
| end | ||
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| Init(i,:)=Time_indices; | ||
| end | ||
| Init=Init-3; | ||
| Endit=Init+1700; | ||
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| end |
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