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| * GW alert: online alert in the control room might be prepared. -> Togoshi |
Minute of KAGRA commissioning meeting
- Date: 2018/5/1 11AM~12PM
- Attendance: Miyakawa, Kokeyama, Aso, Miyoki, Ushiba, Tomaru
- eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi, Haino
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
- Laser power of oplev started dropping, specially lasers where are close to cryostat for year term.
- 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.
- Next meeting: 4/24