Contents
VIS Meeting
Date: 2025/1/31 10:00-10:30
Participants: Ushiba, Washimi, Yokozawa, Tanaka, Sato, Takahashi, Miyoki
Topics
Type-A
- Height adjustment during the cooling.
- Total (duct + cryostat) height change was 1~3mm.
- ACCs for the IP controls.
- Preparing for the stand-alone test bench with DGS in Mitaka. Ikeda-san has set the DGS up in the ATC lab.
Type-B/Bp
- Enclosure for the SG card into an independent box.
- Tanaka-san will make a prototype.
- Yaw damper for Type-B.
- One set should be tested in SRM around autumn 2025.
- IP for Type-Bp.
Type-C
- Active isolation table for OMC.
- Sato-san is checking the parameters of the TMS isolator for OMC. He calculated the blade springs.
- Asking Marutsu to make geophone pre-amp boards.
- Vibration in the IFI chamber
- Fixing the STM is planned for late February.
- Small Type-C suspensions with mini-GAS.
R&D
Discussion
- Task list for authorship 2025.
- Management of the group
- Commissioning of the suspensions toward O4c
- Maintenance of the suspensions during O4c
- Preparation for upgrade toward O5
- Control upgrade
- Software development
Next meeting
- 2025/2/14 10:00-