Add measurements: LPF, noise induced by all the stages

This commit is contained in:
Thomas Dehaeze 2019-05-07 10:43:26 +02:00
parent 7273c939cb
commit d39efd8afe
13 changed files with 114 additions and 32 deletions

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@ -1,49 +1,53 @@
%%
Tsim = 100; % [s]
%%
tg = slrt; tg = slrt;
%% TODO - Build this application if updated %% TODO - Build this application if updated
%% %%
if tg.Connected == "Yes" if tg.Connected == "Yes"
if tg.Status == "running"
disp('Target is Running, Stopping...');
tg.stop;
while tg.Status == "running"
pause(1);
end
disp('Target is Stopped');
end
if tg.Status == "stopped" if tg.Status == "stopped"
%% Load the application disp('Load the Application');
tg.load('disturbance_measurement'); tg.load('disturbance_measurement');
%% Run the application %% Run the application
disp('Starting the Application');
tg.start; tg.start;
pause(300); pause(Tsim);
tg.stop; tg.stop;
end
else
error("The target computer is not connected");
end
%% Load the data %%
f = SimulinkRealTime.openFTP(tg); f = SimulinkRealTime.openFTP(tg);
cd(f, 'data/disturbance_measurement/'); cd(f, 'data/disturbance_measurement/');
mget(f, 'data_001.dat', 'data'); mget(f, 'data_001.dat', 'data');
close(f); close(f);
end
end
data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data; data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data;
size(data)
t = data(:, end);
x1 = data(:, 1);
x2 = data(:, 2);
save('mat/data_002.mat', 't', 'x1', 'x2');
%% Plot the data
figure;
hold on;
plot(t, x1);
plot(t, x2);
hold off
xlabel('Time [s]');
ylabel('Voltage [V]');
%% %%
figure; n = 17;
hold on;
plot(t, x1-x2); while isfile(['mat/data_', num2str(n, '%03d'), '.mat'])
hold off disp('File exists.');
xlabel('Time [s]'); if input(['Are you sure you want to override the file ', 'mat/data_', ...
ylabel('Voltage [V]'); num2str(n, '%03d'), '.mat', ' ? [Y/n]']) == 'Y'
break;
end
n = input('What should be the measurement number?');
end
save(['mat/data_', num2str(n, '%03d'), '.mat'], 'data');

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@ -68,3 +68,9 @@ Second column: DC
- meas14: col-1 = amp1+AC. col-2 = amp2+DC. - meas14: col-1 = amp1+AC. col-2 = amp2+DC.
- meas15: col-1 = amp1+DC. col-2 = amp2+AC. - meas15: col-1 = amp1+DC. col-2 = amp2+AC.
* Measurement of the LPF
We are measuring the signal from from Geophone with a BNC T
On part goes to column 1 through the LPF
The other part goes to column 2 without the LPF
- meas18

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@ -40,7 +40,7 @@ close(f);
data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data; data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data;
%% %%
n = 17; n = 18;
while isfile(['mat/data_', num2str(n, '%03d'), '.mat']) while isfile(['mat/data_', num2str(n, '%03d'), '.mat'])
disp('File exists.'); disp('File exists.');

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@ -48,3 +48,22 @@ Channels:
| 1 | Ty | | 1 | Ty |
| 2 | Ry | | 2 | Ry |
| 3 | Time | | 3 | Time |
* New measurements 07/05
Low pass Filters at 1kHz are added before the voltage amplifiers
The voltage amplifiers are: 60db, DC(!) and 1kHz
Channel 1: marble motion
Channel 2: Sample motion
- All OFF meas_013.mat
- Ty ON meas_014.mat
- Ry ON meas_015.mat
- SR ON meas_016.mat
- Rz ON meas_017.mat
- Hexa ON meas_018.mat

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@ -0,0 +1,53 @@
%%
Tsim = 100; % [s]
%%
tg = slrt;
%% TODO - Build this application if updated
%%
if tg.Connected == "Yes"
if tg.Status == "running"
disp('Target is Running, Stopping...');
tg.stop;
while tg.Status == "running"
pause(1);
end
disp('Target is Stopped');
end
if tg.Status == "stopped"
disp('Load the Application');
tg.load('measure_channels');
%% Run the application
disp('Starting the Application');
tg.start;
pause(Tsim);
tg.stop;
end
else
error("The target computer is not connected");
end
%%
f = SimulinkRealTime.openFTP(tg);
cd(f, 'data/measure_channels/');
mget(f, 'data_001.dat', 'data');
close(f);
data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data;
%%
n = 18;
while isfile(['mat/data_', num2str(n, '%03d'), '.mat'])
disp('File exists.');
if input(['Are you sure you want to override the file ', 'mat/data_', ...
num2str(n, '%03d'), '.mat', ' ? [Y/n]']) == 'Y'
break;
end
n = input('What should be the measurement number?');
end
save(['mat/data_', num2str(n, '%03d'), '.mat'], 'data');