Add first analysis
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readme.org
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readme.org
@ -9,7 +9,7 @@ We first copy the =dat= file from the target computer to the host computer:
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tg=slrt;
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f=SimulinkRealTime.openFTP(tg);
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mget(f, 'DATA_001.dat', 'local_folder');
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close(f);
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close(f);
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#+end_src
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We then import the =dat= file to the workspace:
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@ -21,42 +21,42 @@ We then import the =dat= file to the workspace:
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* Commands with the target object
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https://fr.mathworks.com/help/xpc/api/simulinkrealtime.target.html
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| Connect | No Yes |
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| Status | stopped runing |
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| Connect | No Yes |
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| Status | stopped runing |
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| start | Start execution of real-time application on target computer |
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| stop | Stop execution of real-time application on target computer |
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| tg.viewTargetScreen | Show target computer screen |
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| ping | Test communication between development and target computers |
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| reboot | Restart target computer |
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| close | Close connection between development and target computers |
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| ping | Test communication between development and target computers |
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| reboot | Restart target computer |
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| close | Close connection between development and target computers |
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| load | Download real-time application to target computer |
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| load | Download real-time application to target computer |
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| unload | Remove real-time application from target computer |
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| addscope | Create a scope of specified type |
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| getscope | Return scope identified by scope number |
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| remscope | Remove scope from target computer |
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| getlog | Portion of output logs from target object |
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| importLogData | Import buffered logging data to the active session of the Simulation Data Inspector |
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| getsignal | Value of signal |
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| getsignalid | Signal index from signal hierarchical name |
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| getsignalidsfromlabel | Vector of signal indices |
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| getsignallabel | Signal label for signal index |
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| getsignalname | Signal name from index list |
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| getparam | Read value of observable parameter in real-time application |
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| setparam | Change value of tunable parameter in real-time application |
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| getparamid | Parameter index from parameter hierarchical name |
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| getparamname | Block path and parameter name from parameter index |
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| loadparamset | Restore parameter values saved in specified file |
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| saveparamset | Save real-time application parameter values |
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| startProfiler | Start profiling service on target computer |
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| stopProfiler | Stop profiling service on target computer |
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| getProfilerData | Retrieve profile data object |
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| resetProfiler | Reset profiling service state to Ready |
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| getDiskSpace | Return free space and total space on the drive, in bytes |
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| addscope | Create a scope of specified type |
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| getscope | Return scope identified by scope number |
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| remscope | Remove scope from target computer |
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| getlog | Portion of output logs from target object |
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| importLogData | Import buffered logging data to the active session of the Simulation Data Inspector |
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| getsignal | Value of signal |
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| getsignalid | Signal index from signal hierarchical name |
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| getsignalidsfromlabel | Vector of signal indices |
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| getsignallabel | Signal label for signal index |
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| getsignalname | Signal name from index list |
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| getparam | Read value of observable parameter in real-time application |
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| setparam | Change value of tunable parameter in real-time application |
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| getparamid | Parameter index from parameter hierarchical name |
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| getparamname | Block path and parameter name from parameter index |
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| loadparamset | Restore parameter values saved in specified file |
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| saveparamset | Save real-time application parameter values |
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| startProfiler | Start profiling service on target computer |
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| stopProfiler | Stop profiling service on target computer |
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| getProfilerData | Retrieve profile data object |
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| resetProfiler | Reset profiling service state to Ready |
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| getDiskSpace | Return free space and total space on the drive, in bytes |
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* FTP access to the target computer
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https://fr.mathworks.com/help/xpc/api/simulinkrealtime.openftp.html?s_tid=doc_ta
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@ -68,11 +68,11 @@ First run the following commands to have the =FTP= Object:
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#+end_src
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Then, the =f= object can be used to access the filesystem on the target computer.
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| cd | | |
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| dir | | |
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| cd | | |
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| dir | | |
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| mget | Used to download data from the target host | =f.mget('data.dat', 'local_folder')= |
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| mkdir | | |
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| mput | | |
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| rename | | |
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| rmdir | | |
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| close | | |
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| mkdir | | |
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| mput | | |
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| rename | | |
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| rmdir | | |
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| close | | |
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3
slip-ring-test/figs/.gitignore
vendored
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3
slip-ring-test/figs/.gitignore
vendored
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@ -0,0 +1,3 @@
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*.svg
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*.pdf
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*.tex
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BIN
slip-ring-test/figs/data_time_domain.png
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BIN
slip-ring-test/figs/data_time_domain.png
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Binary file not shown.
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After Width: | Height: | Size: 39 KiB |
BIN
slip-ring-test/figs/data_time_domain_zoom.png
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BIN
slip-ring-test/figs/data_time_domain_zoom.png
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Binary file not shown.
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After Width: | Height: | Size: 73 KiB |
BIN
slip-ring-test/figs/geophone_sensibility.png
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BIN
slip-ring-test/figs/geophone_sensibility.png
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Binary file not shown.
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After Width: | Height: | Size: 60 KiB |
BIN
slip-ring-test/figs/psd_velocity.png
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BIN
slip-ring-test/figs/psd_velocity.png
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After Width: | Height: | Size: 139 KiB |
148
slip-ring-test/index.org
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148
slip-ring-test/index.org
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@ -0,0 +1,148 @@
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#+TITLE:SpeedGoat
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:DRAWER:
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#+STARTUP: overview
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#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="css/htmlize.css"/>
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#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="css/readtheorg.css"/>
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#+HTML_HEAD: <script src="js/jquery.min.js"></script>
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#+HTML_HEAD: <script src="js/bootstrap.min.js"></script>
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#+HTML_HEAD: <script type="text/javascript" src="js/jquery.stickytableheaders.min.js"></script>
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#+HTML_HEAD: <script type="text/javascript" src="js/readtheorg.js"></script>
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#+LATEX_CLASS: cleanreport
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#+LaTeX_CLASS_OPTIONS: [tocnp, secbreak, minted]
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#+LaTeX_HEADER: \usepackage{svg}
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#+LaTeX_HEADER: \newcommand{\authorFirstName}{Thomas}
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#+LaTeX_HEADER: \newcommand{\authorLastName}{Dehaeze}
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#+LaTeX_HEADER: \newcommand{\authorEmail}{dehaeze.thomas@gmail.com}
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#+PROPERTY: header-args:matlab :session *MATLAB*
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#+PROPERTY: header-args:matlab+ :comments org
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#+PROPERTY: header-args:matlab+ :exports both
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#+PROPERTY: header-args:matlab+ :eval no-export
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#+PROPERTY: header-args:matlab+ :output-dir figs
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#+PROPERTY: header-args:matlab+ :mkdirp yes
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:END:
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* Matlab Init :noexport:ignore:
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#+begin_src matlab :exports none :results silent :noweb yes
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<<matlab-init>>
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#+end_src
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* Load data
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#+begin_src matlab :results none
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load('mat/data_001.mat', 't', 'x1', 'x2');
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dt = t(2) - t(1);
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#+end_src
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* Time Domain Data
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#+begin_src matlab :results none
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figure;
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hold on;
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plot(t, x1);
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plot(t, x2);
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hold off;
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xlabel('Time [s]');
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ylabel('Voltage [V]');
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xlim([t(1), t(end)]);
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#+end_src
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#+NAME: fig:data_time_domain
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#+HEADER: :tangle no :exports results :results value raw replace :noweb yes
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#+begin_src matlab :var filepath="figs/data_time_domain.pdf" :var figsize="wide-normal" :post pdf2svg(file=*this*, ext="png")
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<<plt-matlab>>
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#+end_src
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#+NAME: fig:data_time_domain
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#+CAPTION: Time domain Data
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#+RESULTS: fig:data_time_domain
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[[file:figs/data_time_domain.png]]
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#+begin_src matlab :results none
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figure;
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hold on;
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plot(t, x1);
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plot(t, x2);
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hold off;
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xlabel('Time [s]');
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ylabel('Voltage [V]');
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xlim([0 1]);
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#+end_src
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#+NAME: fig:data_time_domain_zoom
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#+HEADER: :tangle no :exports results :results value raw replace :noweb yes
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#+begin_src matlab :var filepath="figs/data_time_domain_zoom.pdf" :var figsize="wide-normal" :post pdf2svg(file=*this*, ext="png")
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<<plt-matlab>>
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#+end_src
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#+NAME: fig:data_time_domain_zoom
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#+CAPTION: Time domain Data - Zoom
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#+RESULTS: fig:data_time_domain_zoom
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[[file:figs/data_time_domain_zoom.png]]
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* Compute PSD
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#+begin_src matlab :results none
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[pxx1, f1] = pwelch(x1, hanning(ceil(length(t)/100)), 0, [], 1/dt);
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[pxx2, f2] = pwelch(x2, hanning(ceil(length(t)/100)), 0, [], 1/dt);
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#+end_src
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* Take into account sensibility of Geophone
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The Geophone used are L22.
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#+begin_src matlab :results none
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S0 = 88; % Sensitivity [V/(m/s)]
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f0 = 2; % Cut-off frequnecy [Hz]
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S = (s/2/pi/f0)/(1+s/2/pi/f0);
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#+end_src
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#+begin_src matlab :results none
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figure;
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bodeFig({S});
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ylabel('Amplitude [V/(m/s)]')
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#+end_src
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#+NAME: fig:geophone_sensibility
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#+HEADER: :tangle no :exports results :results value raw replace :noweb yes
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#+begin_src matlab :var filepath="figs/geophone_sensibility.pdf" :var figsize="wide-normal" :post pdf2svg(file=*this*, ext="png")
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<<plt-matlab>>
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#+end_src
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#+NAME: fig:geophone_sensibility
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#+CAPTION: Sensibility of the Geophone
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#+RESULTS: fig:geophone_sensibility
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[[file:figs/geophone_sensibility.png]]
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We take into account the gain of the electronics.
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The cut-off frequency is set at 1kHz.
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- [ ] Check what is the order of the filter
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- [ ] Maybe I should not use this filter as there is no high frequencies anyway?
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#+begin_src matlab :results none
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G0 = 60; % [dB]
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G = G0/(1+s/2/pi/1000);
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#+end_src
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#+begin_src matlab :results none
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figure;
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hold on;
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plot(f1, sqrt(pxx1)./squeeze(abs(freqresp(G, f1, 'Hz')))./squeeze(abs(freqresp(S, f1, 'Hz'))));
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plot(f2, sqrt(pxx2)./squeeze(abs(freqresp(G, f2, 'Hz')))./squeeze(abs(freqresp(S, f2, 'Hz'))));
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hold off;
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set(gca, 'xscale', 'log');
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set(gca, 'yscale', 'log');
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xlabel('Frequency [Hz]'); ylabel('PSD [m/s/sqrt(Hz)]')
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#+end_src
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#+NAME: fig:psd_velocity
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#+HEADER: :tangle no :exports results :results value raw replace :noweb yes
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#+begin_src matlab :var filepath="figs/psd_velocity.pdf" :var figsize="full-tall" :post pdf2svg(file=*this*, ext="png")
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<<plt-matlab>>
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#+end_src
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#+NAME: fig:psd_velocity
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#+CAPTION: Spectral density of the velocity
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#+RESULTS: fig:psd_velocity
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[[file:figs/psd_velocity.png]]
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@ -1 +1,2 @@
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* TODO Register data on the computer
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* DONE Register data on the computer
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CLOSED: [2019-04-17 mer. 17:26]
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@ -12,7 +12,7 @@ if tg.Connected == "Yes"
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tg.start;
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pause(10);
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tg.stop;
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%% Load the data
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f = SimulinkRealTime.openFTP(tg);
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mget(f, 'data/data_001.dat');
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@ -45,4 +45,3 @@ window_L = ceil(length(x1)/10);
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window_han = .5*(1 - cos(2*pi*(1:window_L)'/(window_L+1)));
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[pxx, f] = pwelch(x1, window_han, 0, [], 1/dt);
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