Contents
Agenda/Minutes
CRY+VIS Interface Meeting
Date: 2023/7/21 14:30-15:00
Participants: Takahashi, Mitsuhashi, Yokozawa, Miyoki, Akutsu, Ikeda, Node, Hirata, Ushiba, Uchiyama
Suspensions
- Type-A: Height adjustment toward the cooling.
- Type-B:
- Type-Bp:
- Type-C:
Other items
- Oplev: Adjustment of the VER Oplev in IX.
- ACC: Test of the IP control with ACCs in IY.
- Commissioning:
- Vacuum system: Opened the OMC chamber again.
- Heater control:
- TMS:
Post O4a
- Measurements of the DAC noise: The next time on 8/4.
- Measurements on the sensor correction in SR2: 1 night.
- Optimization of the damping control in PRs: Measurements 2 days, Test 3 days.
- IP control with the ACCs: Postponed the long-term test in IY.
- In-vacuum accelerometer for IOO: Removed the geophone pod from the OMC chamber. Outgassing from the pod should be checked independently.
Hight adjustments of Type-A in the cooling: The procedure. Cooling will be started in EX on 7/27.
- Noise budget of the suspensions:
- Temperature control for the Oplev: Preparing for the heater controller. The power controllers were delivered.
Discussion
VIS Meeting
Date: 2023/7/21 10:00-11:00
Participants: Takahashi, Aso, Mitsuhashi, Sato, Hirata, Tanaka
Summary Report
Type-A
- Height adjustment toward the cooling.
Type-B
Type-Bp
Type-C
- Damping of the OMC suspension.
- Prototype test of the blade damper.
- Design of the flexible pendulum damper.
Electronics
Control
R&D
- Moved the TAMA-SAS tower from the warehouse to the ATC lab on 7/20.
Schedule
- Monitoring and offload of Type-A during the cooling.
Toward O5
Discussion
Next meeting
- 2023/8/4 10:30-