-
Notifications
You must be signed in to change notification settings - Fork 4
/
Plot_CWRU_Normal_0_1797_SASD.m
192 lines (157 loc) · 6.43 KB
/
Plot_CWRU_Normal_0_1797_SASD.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
clc
clear all
close all
addpath(genpath(fileparts(mfilename('fullpath'))));
%% Figure initialization
global FontSize FontName;
Tstring = 'Time(s)';
Fstring = 'Frequency(Hz)';
Astring = 'Amp';
FontSize = 9; FontName = 'Times New Roman';
MarkerSize = 4; LineWidth = 1;
%%
FlagFigureAutoSave = 1;
currentFolder = pwd;
load 97.mat
Fs = 12000;
Fr = 1797/60;
F_rolling = Fr*4.7135;
Sig_N = X097_DE_time(12000:12000*2, 1);
N = length(Sig_N);
t = (0 : N-1)/Fs;
Sig_Combine = Sig_N;
%%
K1 = 1; % this is the dimension of the binary sequence
fc = F_rolling;
N1 = 4;
N0 = round(Fs / fc) - N1; % N0 + N1 = fs / fc; fs:sampling frequency; fc: fault characteristic frequency
M = 4;
K = (N0 + N1) * (M-1) + N1;
B = binaryblock( K1 , N0 , N1 , M);
Nit = 50; % Nit : number of iterations
Sigma = NoiseEstimate( Sig_Combine );
Params.index_type = 'SESK';
Params.Fs = Fs;
Params.Fc = F_rolling;
lam1 = Sigma*sqrt(2*log(N));
rho = 0.0009235;
lam2 = (0.272*Sigma + 0.044); %0.34
pen = 'mcp';
[ x1, x2 , cost, best_trade_off ] = Fast_adaptive_SASD( Sig_Combine, B , lam1 , lam2, pen, rho, Params);
% [ ff1, f2 ] = Dofft( Sig_Combine , Fs , 0);
[ yf1, f1 ] = Hilbert_envelope(x1 , Fs , 1);
[ yf2, f2 ] = Hilbert_envelope(x2 , Fs , 1);
FCER_Nonconvex = Cal_Index(x2, Params);
xlen = length(x2);
NFFT = 2 ^ nextpow2(xlen);
for i = 1 : 3
N1 = round(fc * i / (Fs / NFFT));
N_Interval1 = 4;
[Points1(i), ~] = max(yf2(N1-N_Interval1:N1+N_Interval1));
Index1 = find(yf2 == Points1(i));
Points_Index1(i) = f1(Index1);
end
for i = 1 : 3
N1 = round(Fr * i / (Fs / NFFT));
N_Interval1 = 4;
[Points2(i), ~] = max(yf1(N1-N_Interval1:N1+N_Interval1));
Index2 = find(yf1 == Points2(i));
Points_Index2(i) = f1(Index2);
end
x_side = 0.3;
y_side = 0.16;
%% Print the time domain
[WindowPosition,h1] = Subfigure11_cm(5, 1.5, 1.2, 0.3, 0.5, 0.9);
figure(1);clf;
set(gcf, 'NumberTitle','off','Name','Experiment_Time');
set(gcf, 'Units', 'centimeters');
set(gcf,'position',WindowPosition);
set(gcf, 'PaperPositionMode', 'auto');
h1_ap=axes('position',h1);
hold on
ph(1) = plot(t, x2, 'b-', 'LineWidth', LineWidth);
hold off
% box on
% legend1 = legend(ph, 'Noisy signal' , 'Noise-free signal');
% set(legend1,'location','best','Orientation','horizontal', 'FontSize',FontSize,'FontName',FontName)
% legend boxoff
%title(['FCER=', num2str(FCER_Nonconvex)],'FontSize',FontSize,'FontName',FontName);
xlim_min = min(t); xlim_max = max(t);
ylim_min = min(x2)*1.2; ylim_max = max(abs(x2))*1.2;
xylim = [xlim_min,xlim_max,ylim_min,ylim_max]; axis(xylim);
LabelX_Linchao(h1_ap,Tstring,xylim,x_side);
LabelY_Linchao(h1_ap,Astring,xylim,y_side);
set(h1_ap,'FontSize',FontSize,'FontName',FontName);
annotation('textbox',[0 1 0.03 0.03],'String',{'(a)'},'FontSize',FontSize+2,'FontName',FontName,'FontWeight','bold','FitBoxToText','off','LineStyle','none');
% save figure
SaveFigureLinchao('20a_CWRU_Experiment_SASD',FlagFigureAutoSave,currentFolder)
%% Print the freqeuncy domain
figure(2);clf;
set(gcf, 'NumberTitle','off','Name','Experiment_Enlargement');
set(gcf, 'Units', 'centimeters');
set(gcf,'position',WindowPosition);
set(gcf, 'PaperPositionMode', 'auto');
h1_ap=axes('position',h1);
hold on
ph(1) = plot(Points_Index1, Points1, 'ro', 'LineWidth', LineWidth,'MarkerSize',MarkerSize);
ph(2) = plot(f2, yf2, 'b-', 'LineWidth', LineWidth);
hold off
legend1 = legend(ph, 'BSF');
set(legend1,'location', 'best', 'Orientation','horizontal', 'FontSize',FontSize,'FontName',FontName)
legend boxoff
xlim_min = 0; xlim_max = 900;
ylim_min = 0; ylim_max = max(abs(yf2))*1.3;%max(abs(yf1))*1.3;
xylim = [xlim_min,xlim_max,ylim_min,ylim_max]; axis(xylim);
LabelX_Linchao(h1_ap,Fstring,xylim,x_side);
LabelY_Linchao(h1_ap,Astring,xylim,y_side);
set(h1_ap,'FontSize',FontSize,'FontName',FontName);
annotation('textbox',[0 1 0.03 0.03],'String',{'(b)'},'FontSize',FontSize+2,'FontName',FontName,'FontWeight','bold','FitBoxToText','off','LineStyle','none');
% save figure
SaveFigureLinchao('20b_CWRU_Experiment_Enlargement',FlagFigureAutoSave,currentFolder)
%% Print the time domain
figure(3);clf;
set(gcf, 'NumberTitle','off','Name','Experiment_Time');
set(gcf, 'Units', 'centimeters');
set(gcf,'position',WindowPosition);
set(gcf, 'PaperPositionMode', 'auto');
h1_ap=axes('position',h1);
hold on
ph(1) = plot(t, x1, 'b-', 'LineWidth', LineWidth);
hold off
% box on
% legend1 = legend(ph, 'Noisy signal' , 'Noise-free signal');
% set(legend1,'location','best','Orientation','horizontal', 'FontSize',FontSize,'FontName',FontName)
% legend boxoff
% title(['RMSE=', num2str(RMSE_Harmonic)],'FontSize',FontSize,'FontName',FontName);
xlim_min = min(t); xlim_max = max(t);
ylim_min = -max(abs(x1))*1.2; ylim_max = max(abs(x1))*1.2;
xylim = [xlim_min,xlim_max,ylim_min,ylim_max]; axis(xylim);
LabelX_Linchao(h1_ap,Tstring,xylim,x_side);
LabelY_Linchao(h1_ap,Astring,xylim,y_side);
set(h1_ap,'FontSize',FontSize,'FontName',FontName);
annotation('textbox',[0 1 0.03 0.03],'String',{'(c)'},'FontSize',FontSize+2,'FontName',FontName,'FontWeight','bold','FitBoxToText','off','LineStyle','none');
% save figure
SaveFigureLinchao('20c_CWRU_Experiment_SASD',FlagFigureAutoSave,currentFolder)
%% Print the freqeuncy domain
figure(4);clf;
set(gcf, 'NumberTitle','off','Name','Experiment_Enlargement');
set(gcf, 'Units', 'centimeters');
set(gcf,'position',WindowPosition);
set(gcf, 'PaperPositionMode', 'auto');
h1_ap=axes('position',h1);
hold on
ph(1) = plot(Points_Index2, Points2, 'g*', 'LineWidth', LineWidth,'MarkerSize',MarkerSize);
ph(2) = plot(f1, yf1, 'b-', 'LineWidth', LineWidth);
hold off
legend1 = legend(ph, 'RF');
set(legend1,'location', 'best', 'Orientation','horizontal', 'FontSize',FontSize,'FontName',FontName)
legend boxoff
xlim_min = 0; xlim_max = 900;
ylim_min = 0; ylim_max = max(abs(yf1))*1.3;%max(abs(yf1))*1.3;
xylim = [xlim_min,xlim_max,ylim_min,ylim_max]; axis(xylim);
LabelX_Linchao(h1_ap,Fstring,xylim,x_side);
LabelY_Linchao(h1_ap,Astring,xylim,y_side);
set(h1_ap,'FontSize',FontSize,'FontName',FontName);
annotation('textbox',[0 1 0.03 0.03],'String',{'(d)'},'FontSize',FontSize+2,'FontName',FontName,'FontWeight','bold','FitBoxToText','off','LineStyle','none');
% save figure
SaveFigureLinchao('20d_CWRU_Experiment_Enlargement',FlagFigureAutoSave,currentFolder)