|
Size: 1592
Comment:
|
Size: 3134
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 2: | Line 2: |
2019/2/15 13:30 - |
2019/2/15 13:30 - |
| Line 17: | Line 16: |
| Type-C: ([[ https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9013|XLSX]]) | Type-C: ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9013|XLSX]]) |
| Line 22: | Line 21: |
| === Type B (Mark) === ==== Report for week of 2/12 (February 12th) ==== * On Saturday we moved the vertical IM OSEMs in order to compensate for a large pitch in the IM introduced when the IR laser as aligned. * I took transfer functions over the weekend and the system looks healthy. * Although moving the OSEMs was done successfully, I accidentally pulled the cables and moved the flying saucer cable clamp set. I rotated it back judging the position by visual inspection, but an IM yaw drift appeared since then. It's moving with a speed of 0.2 urad/min. * On Tuesday we moved the Im back to zero but the drift continued. At the time of writing these lines it is at -833 urad, with H2 and H3 at 93 um and 47 um and still drifting. * On Saturday we connected the SRM geophones in-air cables and confirmed we had a signal. * However, on Wednesday morning the geophones are not giving any signal. We cheked the master model channel and realized the problem was not the slave model. We suspect a hardware fault. * I checked the in-air cables were connected. * We released the SRM optical bench and wiped the places where sticky tape was used to fix support blocks. * We wiped the SR2 optical bench and security structure. SR3 and SRM had been wiped by Hirose-san, Hirata-san and Fujii-kun. * Terrence worked on splitting the real-time models for all the SR suspensions. * Today the pumping down of the central area will begin around noon. We will monitor the four inverted pendulums * We got rid of the cable reel used in the SR2 rack. |
|
| Line 23: | Line 36: |
| === Type B (Mark) === ==== Past week report ==== |
|
| Line 26: | Line 37: |
| Line 30: | Line 40: |
| Line 34: | Line 43: |
| Line 38: | Line 46: |
| Line 40: | Line 47: |
| * Crane inspection: Feb 22nd 11:30 - 12:30 | |
| Line 45: | Line 52: |
| * Type-A: | * Type-A: |
| Line 49: | Line 56: |
| Line 52: | Line 58: |
| * Takahashi: | * Takahashi: |
| Line 54: | Line 60: |
| * Sato: * Lucia: * Fabian: * Mark: * Hirata: |
* Sato: * Lucia: * Fabian: * Mark: * Hirata: |
| Line 62: | Line 68: |
| * Fujii: | * Fujii: |
| Line 68: | Line 74: |
| * Takahashi: | * Takahashi: |
| Line 70: | Line 76: |
| * Sato: * Lucia: * Fabian: |
* Sato: * Lucia: * Fabian: |
| Line 74: | Line 80: |
| * Hirata: | * Hirata: |
| Line 78: | Line 84: |
| * Fujii: | * Fujii: |
Agenda/Minutes of the VIS Meeting on 2019/2/15
2019/2/15 13:30 -
Participants:
Progress report
Schedule Chart
Site work schedule: [[|XLSX]]
Type-A : (PDF/MPP)
Type-B: (PDF/MPP)
Type-C: (XLSX)
Type-A (Takahashi)
Past week report
Plan for coming weeks
Type B (Mark)
Report for week of 2/12 (February 12th)
- On Saturday we moved the vertical IM OSEMs in order to compensate for a large pitch in the IM introduced when the IR laser as aligned.
- I took transfer functions over the weekend and the system looks healthy.
- Although moving the OSEMs was done successfully, I accidentally pulled the cables and moved the flying saucer cable clamp set. I rotated it back judging the position by visual inspection, but an IM yaw drift appeared since then. It's moving with a speed of 0.2 urad/min.
- On Tuesday we moved the Im back to zero but the drift continued. At the time of writing these lines it is at -833 urad, with H2 and H3 at 93 um and 47 um and still drifting.
- On Saturday we connected the SRM geophones in-air cables and confirmed we had a signal.
- However, on Wednesday morning the geophones are not giving any signal. We cheked the master model channel and realized the problem was not the slave model. We suspect a hardware fault.
- I checked the in-air cables were connected.
- We released the SRM optical bench and wiped the places where sticky tape was used to fix support blocks.
- We wiped the SR2 optical bench and security structure. SR3 and SRM had been wiped by Hirose-san, Hirata-san and Fujii-kun.
- Terrence worked on splitting the real-time models for all the SR suspensions.
- Today the pumping down of the central area will begin around noon. We will monitor the four inverted pendulums
- We got rid of the cable reel used in the SR2 rack.
Plan for coming weeks
Type-Bp (Shoda)
Past week report
Plan for coming weeks
OMMT & OSTM (Ohishi)
Past week report
Plan for coming weeks
VIS electronics (Tanaka)
Past week report
Plan for coming weeks
Other site works
- Crane inspection: Feb 22nd 11:30 - 12:30
Safety
- Incidents:
- Foreseen risks
- Type-A:
- Type-B:
Discussion
Travel Plans
- Travel (Week of 2/18):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Fabian:
- Mark:
- Hirata:
- Enzo:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Tanaka:
- Terrence
- Travel (Week of 2/25):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Fabian:
- Mark:
- Hirata:
- Enzo:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Terrence
Next meeting
On 2019/2/22(Fri)