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Size: 1597
Comment:
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Size: 920
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 6: | Line 6: |
| * eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi | * eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi, Haino, Shoda, Nakano |
| Line 10: | Line 10: |
| == Operation == | == 1. Operation == |
| Line 13: | Line 13: |
| * Duty cycle is 80-90%. | * Duty cycle is 80-90%. * iMC is quite stable. * DAC of PR3 was dead. That was the biggest trouble. |
| Line 15: | Line 17: |
| == 2. Report of work of the last week and plan of work == | |
| Line 16: | Line 19: |
| * IFO, ETMs: *Izumi, Enomono * Alignment work is mainly done. 3 DOF is conetolled PR3 by ETMX BS ETMY , ETMY is controlled by oplev, ETMX has dither signal. * Locking time is ~several hours. Longest was 10 hours or something. * Gardidian code was mainly reused by what it was made in KAGRA. |
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| Line 17: | Line 24: |
| == 1. Report of work of the last week and plan of work == * VAC: * Door was closed and pump down started. One large leak was found and it is being searched where it is. * IFO, ETMs: Enomono, Ushiba * Michelson fringe was seen on DC and RF, but still mirror motion is too large. * Needs more work for damping for both ETMs, L2P of BS. * DGS: * IO chassis of k1ioo was disconnected somehow. It is being checked now. * DAQ: * Recoding minute_raw of k1fw1 moved to SSD at k1tw1. All fw0,1 tw0,1 are working well without any gap on data. == 2. Operation == * Noise injection needs some preparations for speakers. * Schnupp asymmetry need some preparations. * Other plan seems to be ready. * CBC will perform an online analysis. |
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| Line 45: | Line 29: |
| * GW alert: online alert in the control room might be prepared. -> Togoshi |
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| Line 49: | Line 31: |
| * Laser power of oplev started dropping, specially lasers where are close to cryostat for year term. | |
| Line 51: | Line 32: |
| * Phase 1 summarize should talk wide range view. * Type A has double stable point. * Monitor for water level, and vacuum gage for weekend should be implemented. * Patrol light should be implemented soon, even manual one. |
* Baffle at ETMX will be black coated. |
| Line 56: | Line 34: |
| * Next meeting: 4/24 | * Next meeting: 5/8. |
Minute of KAGRA commissioning meeting
- Date: 2018/5/1 11AM~12PM
- Attendance: Miyakawa, Kokeyama, Aso, Miyoki, Ushiba, Tomaru
- eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi, Haino, Shoda, Nakano
1. Operation
- Going well.
- Duty cycle is 80-90%.
- iMC is quite stable.
- DAC of PR3 was dead. That was the biggest trouble.
2. Report of work of the last week and plan of work
- IFO, ETMs: *Izumi, Enomono
- Alignment work is mainly done. 3 DOF is conetolled PR3 by ETMX BS ETMY , ETMY is controlled by oplev, ETMX has dither signal.
- Locking time is ~several hours. Longest was 10 hours or something.
- Gardidian code was mainly reused by what it was made in KAGRA.
3. Tasks or discussions
- 5/28 extend chief meeting for looking back phase 1.
Others
- Baffle at ETMX will be black coated.
- Next meeting: 5/8.