VIS Meeting

Date: 2025/1/31 10:00-

Zoom

Participants:

Topics

Type-A

• Height adjustment during the cooling.
  • Total (duct + TM) 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

  • R&D toward O5

  • Control upgrade
  • Software development

Next meeting

• 2025/2/14 10:00-