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← Revision 10 as of 2019-04-15 13:49:26 ⇥
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| Deletions are marked like this. | Additions are marked like this. |
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| 2019/4/12 13:30 - | 2019/4/12 13:30 - 14:17 |
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| * Monitoring of IXV and EYV during the cool-down. * Healthy check of EXV after the CRY work. |
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| Line 22: | Line 25: |
| * Investigation of ACCs in Y-front (4/24-25?). | |
| Line 24: | Line 28: |
| ==== Past week report ==== ==== Plan for coming weeks ==== |
==== Report for the week of 4/8 ==== * Mark made lots of Guardian improvements: * Used Guardian's timer functionality to drastically reduce the number of notifications during ramping. * Added new requestable states DCCTRL_ONLY and NEUTRAL (and associated transitional states) to facilitate testing. * Tidied up the code to use tabs consistently throughout for indentation. * Disabled the test for the IM-H coil driver WD (to work around the fact that only the relay in the chassis has been disabled, not the WD signals going to the BIO). * We opened the BS tank lid and offloaded a large IM-Y offset to F0-Y with manual adjustment of the broken yaw mechanism. * We opened the SR2 side doors and adjusted the V1 OSEM to mid-range. * Mark offloaded a large SR2 IM-Y offset to F0-Y. * Mark did health checks for BS, SR2 and SR3. * Fabian offloaded yaw from SRM and did the SRM health check. * Fabian updated the Python code for the stepper driver MEDM screen to reflect that two stepper drivers have different mappings to work around dead channels. * Fabian monitored pumpdown on Friday afternoon and will continue on Saturday. ==== Plan for week of 4/15 ==== * Mark, Hirata-san at Kamioka Tue-Thu. * Fabian at Kamioka Mon-Wed (Thu at Niigata). * All at f2f Meeting 4/19-21. * Post-pumpdown health checks. * Teach Hirata-san about the computer systems and control theory. * Work with Lucia to do blending of the IP LVDTs and geophones. * More Guardian improvements. * Update vistools.py (formerly LIGO sustools.py) for Type B and KAGRA, and have the TYPEB.py Guardian use it where appropriate. * Modify RT models and/or Guardian to revert to the SAFE state under control in all but the most extreme emergency situations (rather than suddenly shutting off all output). * Work on Type B paper. * Tidy up. * Gather and clean tools. * Gather and organize unused parts and fasteners. ==== Vacation/Travel Info ==== * Mark at Mitaka 4/15. * f2f 4/19 (Friday), 4/20, 4/21. * Terrence's next visit from 4/18. * Fabian's vacation 4/26 to 5/10. * Mark's US vacation from 5/22 to 6/11. * Mark's final day 6/28. |
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| '''PRM''' * IM-OSEM (V1 and V3 ?) was centerized. * Health check was done and it was confirmed that PRM looked healthy in terms of the transfer functions. '''PR2''' * IM-OSEM (V1 and V3 ) was centerized. * Health check was done and was it confirmed that PR2 looked healthy in terms of the transfer functions? * '''!Important note!''' The polarities of the newly-glued magnet was wrong. We have to keep in mind and later have to think how to fix this issue. '''PR3''' * IM-OSEM V1, V2, V3 went off from the center but still in the linear range. * Was the health check done completely? and was it confirmed that PR3 looked healthy in terms of the transfer functions? (the bad width was a bit large, like 0.03 Hz though, personally it looked okay..) |
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| * change the LVDT board for BF-LVDT-V of PR2 | |
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| * Incidents: | * Incidents: no incident |
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| * Mark: | * Mark: 16-18 * Hirata: 16-18 * Shoda: * Fujii: --(16-18)-- 17-18 * Tanioka: * Tanaka: * Terrence: * Travel (Week of 4/22): * Takahashi: 24-25 * Sato: * Mark: 22-26 |
| Line 58: | Line 122: |
| * Fujii: * Tanioka: * Tanaka: * Terrence: * Travel (Week of 4/22): * Takahashi: * Sato: * Mark: * Hirata: * Shoda: * Fujii: |
* Fujii: 23-26 |
Agenda/Minutes of the VIS Meeting on 2019/4/12
2019/4/12 13:30 - 14:17
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
- Monitoring of IXV and EYV during the cool-down.
- Healthy check of EXV after the CRY work.
Plan for coming weeks
- Investigation of ACCs in Y-front (4/24-25?).
Type B (Mark)
Report for the week of 4/8
- Mark made lots of Guardian improvements:
- Used Guardian's timer functionality to drastically reduce the number of notifications during ramping.
- Added new requestable states DCCTRL_ONLY and NEUTRAL (and associated transitional states) to facilitate testing.
- Tidied up the code to use tabs consistently throughout for indentation.
- Disabled the test for the IM-H coil driver WD (to work around the fact that only the relay in the chassis has been disabled, not the WD signals going to the BIO).
- We opened the BS tank lid and offloaded a large IM-Y offset to F0-Y with manual adjustment of the broken yaw mechanism.
- We opened the SR2 side doors and adjusted the V1 OSEM to mid-range.
- Mark offloaded a large SR2 IM-Y offset to F0-Y.
- Mark did health checks for BS, SR2 and SR3.
- Fabian offloaded yaw from SRM and did the SRM health check.
- Fabian updated the Python code for the stepper driver MEDM screen to reflect that two stepper drivers have different mappings to work around dead channels.
- Fabian monitored pumpdown on Friday afternoon and will continue on Saturday.
Plan for week of 4/15
- Mark, Hirata-san at Kamioka Tue-Thu.
- Fabian at Kamioka Mon-Wed (Thu at Niigata).
- All at f2f Meeting 4/19-21.
- Post-pumpdown health checks.
- Teach Hirata-san about the computer systems and control theory.
- Work with Lucia to do blending of the IP LVDTs and geophones.
- More Guardian improvements.
- Update vistools.py (formerly LIGO sustools.py) for Type B and KAGRA, and have the TYPEB.py Guardian use it where appropriate.
- Modify RT models and/or Guardian to revert to the SAFE state under control in all but the most extreme emergency situations (rather than suddenly shutting off all output).
- Work on Type B paper.
- Tidy up.
- Gather and clean tools.
- Gather and organize unused parts and fasteners.
Vacation/Travel Info
- Mark at Mitaka 4/15.
- f2f 4/19 (Friday), 4/20, 4/21.
- Terrence's next visit from 4/18.
- Fabian's vacation 4/26 to 5/10.
- Mark's US vacation from 5/22 to 6/11.
- Mark's final day 6/28.
Type-Bp (Shoda)
Past week report
PRM
- IM-OSEM (V1 and V3 ?) was centerized.
- Health check was done and it was confirmed that PRM looked healthy in terms of the transfer functions.
PR2
- IM-OSEM (V1 and V3 ) was centerized.
- Health check was done and was it confirmed that PR2 looked healthy in terms of the transfer functions?
!Important note! The polarities of the newly-glued magnet was wrong. We have to keep in mind and later have to think how to fix this issue.
PR3
- IM-OSEM V1, V2, V3 went off from the center but still in the linear range.
- Was the health check done completely? and was it confirmed that PR3 looked healthy in terms of the transfer functions? (the bad width was a bit large, like 0.03 Hz though, personally it looked okay..)
Plan for coming weeks
- change the LVDT board for BF-LVDT-V of PR2
OMMT & OSTM (Ohishi)
Past week report
Plan for coming weeks
VIS electronics (Tanaka)
Past week report
Plan for coming weeks
Other site works
Safety
- Incidents: no incident
- Foreseen risks
- Type-A:
- Type-B:
Discussion
- F2F talk slots
Travel Plans
- Travel (Week of 4/15):
- Takahashi:
- Sato:
- Mark: 16-18
- Hirata: 16-18
- Shoda:
Fujii: 16-18 17-18
- Tanioka:
- Tanaka:
- Terrence:
- Travel (Week of 4/22):
- Takahashi: 24-25
- Sato:
- Mark: 22-26
- Hirata:
- Shoda:
- Fujii: 23-26
- Tanioka:
- Tanaka:
- Terrence:
Next meeting
On 2019/4/26(Fri)