922
Comment:
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920
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Deletions are marked like this. | Additions are marked like this. |
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* eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi | * eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi, Haino, Shoda, Nakano |
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* Duty cycle is 80-90%. |
* Duty cycle is 80-90%. * iMC is quite stable. * DAC of PR3 was dead. That was the biggest trouble. |
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* 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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* GW alert: online alert in the control room might be prepared. -> Togoshi |
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* Laser power of oplev started dropping, specially lasers where are close to cryostat for year term. | |
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* 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. |
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* 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.