Merge 3 modes into one figure

This commit is contained in:
Thomas Dehaeze 2021-06-15 09:26:45 +02:00
parent 6874358160
commit 8cf4f44cfb
5 changed files with 704 additions and 752 deletions

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@ -520,25 +520,15 @@ data2orgtable(1e6*apa300ml_stroke', {'APA 1', 'APA 2', 'APA 3', 'APA 4', 'APA 5'
<<sec:spurious_resonances>> <<sec:spurious_resonances>>
*** Introduction *** Introduction
Three main resonances are foreseen to be problematic for the control of the APA300ML: Three main resonances are foreseen to be problematic for the control of the APA300ML (Figure [[fig:apa_mode_shapes]]):
- Mode in X-bending at 189Hz (Figure [[fig:mode_bending_x]]) - Mode in X-bending at 189Hz
- Mode in Y-bending at 285Hz (Figure [[fig:mode_bending_y]]) - Mode in Y-bending at 285Hz
- Mode in Z-torsion at 400Hz (Figure [[fig:mode_torsion_z]]) - Mode in Z-torsion at 400Hz
#+name: fig:mode_bending_x #+name: fig:apa_mode_shapes
#+caption: X-bending mode (189Hz) #+caption: Spurious resonances. a) X-bending mode at 189Hz. b) Y-bending mode at 285Hz. c) Z-torsion mode at 400Hz
#+attr_latex: :width 0.9\linewidth #+attr_latex: :width \linewidth
[[file:figs/mode_bending_x.gif]] [[file:figs/apa_mode_shapes.gif]]
#+name: fig:mode_bending_y
#+caption: Y-bending mode (285Hz)
#+attr_latex: :width 0.9\linewidth
[[file:figs/mode_bending_y.gif]]
#+name: fig:mode_torsion_z
#+caption: Z-torsion mode (400Hz)
#+attr_latex: :width 0.9\linewidth
[[file:figs/mode_torsion_z.gif]]
These modes are present when flexible joints are fixed to the ends of the APA300ML. These modes are present when flexible joints are fixed to the ends of the APA300ML.
@ -2532,25 +2522,15 @@ exportFig('figs/strut_1_spurious_resonances.pdf', 'width', 'wide', 'height', 'ta
These resonances correspond to parasitic resonances of the APA itself. These resonances correspond to parasitic resonances of the APA itself.
They are very close to what was estimated using the FEM: They are very close to what was estimated using the FEM (Figure [[fig:apa_mode_shapes_bis]]):
- X-bending mode at around 190Hz (Figure [[fig:mode_bending_x_bis]]) - Mode in X-bending at 189Hz
- Y-bending mode at around 290Hz (Figure [[fig:mode_bending_y_bis]]) - Mode in Y-bending at 285Hz
- Z-torsion mode at around 400Hz (Figure [[fig:mode_torsion_z_bis]]) - Mode in Z-torsion at 400Hz
#+name: fig:mode_bending_x_bis #+name: fig:apa_mode_shapes_bis
#+caption: X-bending mode (189Hz) #+caption: Spurious resonances. a) X-bending mode at 189Hz. b) Y-bending mode at 285Hz. c) Z-torsion mode at 400Hz
#+attr_latex: :width 0.9\linewidth #+attr_latex: :width \linewidth
[[file:figs/mode_bending_x.gif]] [[file:figs/apa_mode_shapes.gif]]
#+name: fig:mode_bending_y_bis
#+caption: Y-bending mode (285Hz)
#+attr_latex: :width 0.9\linewidth
[[file:figs/mode_bending_y.gif]]
#+name: fig:mode_torsion_z_bis
#+caption: Z-torsion mode (400Hz)
#+attr_latex: :width 0.9\linewidth
[[file:figs/mode_torsion_z.gif]]
#+begin_important #+begin_important
The resonances are indeed due to limited stiffness of the APA. The resonances are indeed due to limited stiffness of the APA.

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