Contents
Agenda/Minutes
CRY+VIS Interface Meeting
Date: 2023/9/29 13:00-13:40
Participants: Takahashi, Uchiyama, Aso, Ushiba, Miyoki, Ikeda, Node, Hirata, Sato, Mitsuhashi, Akutsu, Kimura, Yokozawa
Suspensions
- Type-A: Height adjustment of ETMX. Offload in IX. Adjustment of the damping loop in EX. Diagonalization of the payload actuators in EX. Update of the MN Y Oplev damping loop in IY.
- Type-B:
- Type-Bp:
- Type-C:
Other items
- Oplev: Preparation of the temperature controls for IXC and EXC.
- ACC:
- Commissioning:
- Vacuum system: Opened the GVs in EX. TMP in X-27 was failed.
- Heater control:
- TMS:
Post O4a
- Measurements of the DAC noise: Type-C.
- Optimization of the damping control in PRs: Test for PR3 again in the next week.
- IP control with the ACCs: One more test in the next week.
- In-vacuum accelerometer for IOO: Leak test of the pod in the next week.
- Height adjustments of Type-A in the cooling: Monitoring.
- Temperature control for the Oplev: Preparation for IXC and EXC.
- TM cooling: Schedule.
- IM heater: EX remains.
- OMC damper: The parts have been ordered. Vent on 10/13.
Discussion
VIS Meeting
Date: 2023/9/28 10:15-11:00
Participants: Takahashi, Sato, Mitsuhashi, Hirata, Tanaka, Aso
Summary Report
Type-A
- Height adjustment of ETMX.
- Offload of F0 in IX. The FR reached a hardware limit, so the setpoint was changed.
Type-B
Type-Bp
Type-C
- Damping of the OMC suspension.
- Ordering of the damper parts.
- Prototype test of the flexible pendulum damper.
Electronics
Control
R&D
- TAMA-SAS experiment: Reassembly of the RL.
Schedule
- TAMA-SAS experiment.
- Preparation for the OMC damper.
Toward O5
Discussion
Next meeting
- 2023/10/13 10:00-