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⇤ ← Revision 2 as of 2023-12-22 11:51:51 →
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Editor: RyutaroTakahashi
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← Revision 3 as of 2023-12-22 13:21:47 → ⇥
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Editor: RyutaroTakahashi
Comment:
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Date: 2023/12/22 13:00- Date: 2023/12/22 13:00-13:10
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Participants: Participants: Takahashi, Uchiyama, Yokozawa, Kimura, Ushiba, Sato, Aso, Miyoki, Hirata
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 * Oplev: Investigation of the MN LEN Oplev in EY.  * Oplev: Investigating the MN LEN Oplev in EY.
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 * Vacuum system:
 * Heater control: Turn-on in EY.		  * Vacuum system: Implementation of 4 interlock systems remains in X-arm. The water cooling systems have been repaired or replaced. There was trouble with the compressor in the X-front.
 * Heater control: Turn on in EY.
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 * In-vacuum accelerometer for IOO: Assembly of the geophone pod for IFI chamber.  * In-vacuum accelerometer for IOO: Assembly of the geophone pod for IFI chamber. There were troubles on the pre-amp boards. The leak test was scheduled for 1/11.

Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Suspensions
    2. Other items
    3. Post O4a
    4. Discussion
  3. VIS Meeting
    1. Summary Report
      1. Type-A
      2. Type-B
      3. Type-Bp
      4. Type-C
      5. Electronics
      6. Control
      7. R&D
    2. Schedule
    3. Toward O5
    4. Discussion
    5. Next meeting

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2023/12/22 13:00-13:10

Participants: Takahashi, Uchiyama, Yokozawa, Kimura, Ushiba, Sato, Aso, Miyoki, Hirata

Acceptance check document

Suspensions

  • Type-A: Height adjustment in EY. Measurement of the IP transfer functions in IY.
  • Type-B:
  • Type-Bp:
  • Type-C:

Other items

  • Oplev: Investigating the MN LEN Oplev in EY.
  • ACC:
  • Commissioning:
  • Vacuum system: Implementation of 4 interlock systems remains in X-arm. The water cooling systems have been repaired or replaced. There was trouble with the compressor in the X-front.
  • Heater control: Turn on in EY.
  • TMS:

Post O4a

  • Measurements of the DAC noise: Type-C.
  • Optimization of the damping control in PRs:
  • IP control with the ACCs: Measurement of TFs.
  • In-vacuum accelerometer for IOO: Assembly of the geophone pod for IFI chamber. There were troubles on the pre-amp boards. The leak test was scheduled for 1/11.
  • Height adjustments of Type-A in the cooling: EY.

Discussion

VIS Meeting

Date: 2023/12/22 10:30-11:45

Participants: Takahashi, Mitsuhashi, Aso, Otsuka, Hirata, Sato

Summary Report

Type-A

  • Measurement of the IP transfer functions in IY.
  • Height adjustment of ETMY.

Type-B

Type-Bp

Type-C

  • Assembly of the geophone pod for the IFI chamber.

Electronics

Control

R&D

  • TAMA-SAS experiment: Measurement of RL transfer functions.
  • Calculation of the RL model.

Schedule

  • TAMA-SAS experiment.

Toward O5

Dropbox paper

  • Preparation for the test of mini-GAS for the KFC suspension.

Discussion

Next meeting

  • 2024/1/5 10:00-

KAGRA/Subgroups/VIS/VISMinutes20231222 (last edited 2023-12-25 14:29:54 by RyutaroTakahashi)