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Update some measurements analysis

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Thomas Dehaeze 2019-05-13 22:36:14 +02:00
parent 299c7336df
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7 changed files with 534 additions and 425 deletions
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index.org
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@ -74,7 +74,7 @@ The station is identified again.
* Measurements of perturbations * Measurements of perturbations
- [[file:slip-ring-spindle-vibrations/index.org][Measurement of the vibrations induced by the rotation of the slip-ring and spindle]] - [[file:slip-ring-spindle-vibrations/index.org][Measurement of the vibrations induced by the rotation of the slip-ring and spindle]]
- Measurement of the electrical noise induced by the slip-ring - [[file:slip-ring-electrical-noise/index.org][Measurement of the electrical noise induced by the slip-ring]]
** Noise coming from the control loop of each stage ** Noise coming from the control loop of each stage
[[file:2018-10-15%20-%20Marc/index.org][Link to the analysis]] [[file:2018-10-15%20-%20Marc/index.org][Link to the analysis]]

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@ -19,9 +19,18 @@ A first order low pass filter is also added at the input of the voltage amplifie
- Identify the vibrations induced by the rotation of the Slip-Ring and Spindle - Identify the vibrations induced by the rotation of the Slip-Ring and Spindle
Three measurements are done: Three measurements are done:
- =mat/data_024.mat=: All the stages are OFF | Measurement File | Description |
- =mat/data_025.mat=: The slip-ring is ON and rotates at 6rpm. The spindle is OFF |--------------------+----------------------------------------------------------------------|
- =mat/data_026.mat=: The slip-ring and spindle are both ON. They are both turning at 6rpm | =mat/data_024.mat= | All the stages are OFF |
| =mat/data_025.mat= | The slip-ring is ON and rotates at 6rpm. The spindle is OFF |
| =mat/data_026.mat= | The slip-ring and spindle are both ON. They are both turning at 6rpm |
Each of the measurement =mat= file contains one =data= array with 3 columns:
| Column number | Description |
|---------------+-------------------|
| 1 | Geophone - Marble |
| 2 | Geophone - Sample |
| 3 | Time |
A movie showing the experiment is shown on figure [[fig:exp_sl_sp_gif]]. A movie showing the experiment is shown on figure [[fig:exp_sl_sp_gif]].