Initial Commit

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Thomas Dehaeze 2020-12-16 11:51:26 +01:00
commit 300e5fc655
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auto/
*.tex
*.bbl
*.synctex.gz
.auctex-auto/
_minted*
# Emacs
auto/
# Simulink Real Time
*bio.m
*pt.m
*ref.m
*ri.m
*xcp.m
*.mldatx
*.slxc
*.xml
*_slrt_rtw/
# data
data/
# Windows default autosave extension
*.asv
# OSX / *nix default autosave extension
*.m~
# Compiled MEX binaries (all platforms)
*.mex*
# Packaged app and toolbox files
*.mlappinstall
*.mltbx
# Generated helpsearch folders
helpsearch*/
# Simulink code generation folders
slprj/
sccprj/
# Matlab code generation folders
codegen/
# Simulink autosave extension
*.autosave
# Octave session info
octave-workspace

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#+TITLE: Encoder Renishaw Vionic - Test Bench
:DRAWER:
#+LANGUAGE: en
#+EMAIL: dehaeze.thomas@gmail.com
#+AUTHOR: Dehaeze Thomas
#+HTML_LINK_HOME: ../index.html
#+HTML_LINK_UP: ../index.html
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#+PROPERTY: header-args:latex+ :post pdf2svg(file=*this*, ext="png")
:END:
* Introduction :ignore:
You can find below the document of:
- [[file:doc/L-9517-9678-05-A_Data_sheet_VIONiC_series_en.pdf][Vionic Encoder]]
- [[file:doc/L-9517-9862-01-C_Data_sheet_RKLC_EN.pdf][Linear Scale]]
* Encoder Model
The Encoder is characterized by its dynamics $G_m(s)$ from the "true" displacement $y$ to measured displacement $y_m$.
Ideally, this dynamics is constant over a wide frequency band with very small phase drop.
It is also characterized by its measurement noise $n$ that can be described by its Power Spectral Density (PSD).
#+begin_src latex :file encoder-model-schematic.pdf
\begin{tikzpicture}
\node[block] (G) at (0,0){$G_m(s)$};
\node[addb, left=0.8 of G] (add){};
\draw[<-] (add.west) -- ++(-1.0, 0) node[above right]{$y$};
\draw[->] (add.east) -- (G.west);
\draw[->] (G.east) -- ++(1.0, 0) node[above left]{$y_m$};
\draw[<-] (add.north) -- ++(0, 0.6) node[below right](n){$n$};
\begin{scope}[on background layer]
\node[fit={(add.west|-G.south) (n.north-|G.east)}, inner sep=8pt, draw, dashed, fill=black!20!white] (P) {};
\node[below left] at (P.north east) {Encoder};
\end{scope}
\end{tikzpicture}
#+end_src
#+name: fig:encoder-model-schematic
#+caption: Model of the Encoder
#+RESULTS:
[[file:figs/encoder-model-schematic.png]]
* Test-Bench Description
* Measurement procedure
* Measurement Results