Contents
Agenda/Minutes
CRY+VIS Interface Meeting
Date: 2024/1/5 13:00-13:30
Participants: Takahashi, Akutsu, Ushiba, Uchiyama, Sato, Aso
Suspensions
- Type-A: TRIPPED. Height adjustment on 12/28 in EY. Test of the IP control in IY.
- Type-B: TRIPPED.
- Type-Bp: TRIPPED (PR3 would deviate much.) Update of the local control in PR2/3.
- Type-C: TRIPPED in OMMT1/2/OSTM. READY in MCI. LOCKACC. in MCE/IMMT1/2. Oplev signal loss in MCO.
Other items
- Oplev: Investigating the MN LEN Oplev in EY. BS was not fixed. Eyelis was covered with Al foil and the fiber edge was placed in the windshield.
- ACC:
- Commissioning:
- Vacuum system: GVs were closed remotely.
- Heater control:
- TMS:
Post O4a
- Measurements of the DAC noise: Type-C.
- Optimization of the damping control in PRs:
- IP control with the ACCs: Test in IY.
- In-vacuum accelerometer for IOO: Leak test of the geophone pod was scheduled for 1/11, but it will be postponed.
- Height adjustments of Type-A in the cooling: Continuing in EY.
- IMC open:
Discussion
VIS Meeting
Date: 2024/1/5 11:00-12:00
Participants: Takahashi, Mitsuhashi, Sato, Ushiba
Summary Report
Type-A
- Test of the IP control in IY.
- Height adjustment of ETMY.
Type-B
Type-Bp
Type-C
Electronics
Control
R&D
- TAMA-SAS experiment: Measurement of the IP+RL transfer functions.
- Paper writing on the RL.
Schedule
- Recovery of the suspensions in KAGRA.
Toward O5
- Kick-off meeting for O5 task force on 1/16.
- Preparation for the test of mini-GAS for the KFC suspension.
Discussion
Next meeting
- 2024/1/19 10:00-