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Size: 1645
Comment:
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Size: 2041
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 2: | Line 2: |
| 2020/4/3 14:00 - | 2020/4/3 14:00 - |
| Line 6: | Line 6: |
| Participants: | Participants: |
| Line 17: | Line 17: |
| * Analysis of the tie-rods for corrugated tube. * Revising the [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500|Type-A installation procedure]]. * ITMY IP coil-magnet actuation got saturated (klog [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=13922|13922]]). Fabian (klog [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=13923|13923]]) and Lucia ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=13932|12932]]) moved the IP with horizontal fishing rods * Designing the LVDT coils for the ACCs. |
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| Line 20: | Line 25: |
| BS frame . [[attachment:BS_frame.png]] |
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| Line 32: | Line 39: |
| Plan for the long OR brake Six month shift of the observation run is proposed by VIRGO. Though the situation is uncertain, we should start to consider the plan for the long OR brake. *Update without opening the chambers. |
* Plan for the long OR brake * Update without opening the chambers. |
| Line 37: | Line 42: |
| * Release sensor monitor. | * Release sensor monitor. |
| Line 39: | Line 44: |
| * New OpLev covers, | * New Oplev covers, |
Agenda/Minutes of the VIS Meeting on 2020/4/3
2020/4/3 14:00 -
Participants:
Progress report
Type-A
Past week report
- Analysis of the tie-rods for corrugated tube.
Revising the Type-A installation procedure.
ITMY IP coil-magnet actuation got saturated (klog 13922). Fabian (klog 13923) and Lucia (12932) moved the IP with horizontal fishing rods
- Designing the LVDT coils for the ACCs.
Plan for coming weeks
Type B
Past week report
BS frame . BS_frame.png
Plan for coming weeks
Type-Bp
Past week report
Plan for coming weeks
Type-C
Past week report
Plan for coming weeks
VIS electronics
Past week report
Plan for coming weeks
Safety
Discussion
- Plan for the long OR brake
- Update without opening the chambers.
- Signal generator cards for the LVDT driver.
- Release sensor monitor.
- Additional filters for the LVDT combiner.
- New Oplev covers,
- Temperature control.
- New control scheme.
- Update without opening the chambers.
Travel Plans
- Travel (Week of 4/6):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Tanaka:
- Travel (Week of 4/13):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Tanaka:
Next meeting
On 2020/4/10(Fri)