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⇤ ← Revision 2 as of 2023-11-10 13:56:49 →
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Editor: RyutaroTakahashi
Comment:
← Revision 3 as of 2023-11-10 14:27:15 → ⇥
Size: 1944
Editor: RyutaroTakahashi
Comment:
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Date: 2023/11/10 14:00- Date: 2023/11/10 14:00-14:20
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Participants: Participants: Takahashi, Mitsuhashi, Uchiyama, Yokozawa, Miyoki, Aso, Ushiba, Kimura
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 * Vacuum system:  * Vacuum system: GV control by not MDEM but SwitchBot. Automation using additional vacuum gauges.
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 * In-vacuum accelerometer for IOO: Preparing the geophone pod for IFI chamber.  * In-vacuum accelerometer for IOO: Preparing the geophone pod for IFI chamber. Ag coat screw with ditch is necessary.

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: 2023/11/10 14:00-14:20

Participants: Takahashi, Mitsuhashi, Uchiyama, Yokozawa, Miyoki, Aso, Ushiba, Kimura

Acceptance check document

Suspensions

  • Type-A: Height adjustment of ETMX and ETMY. Trouble of stepper motors in EY. Update of MN OL damp in IY.
  • Type-B:
  • Type-Bp: Check of PRM suspension control.
  • Type-C:

Other items

  • Oplev:
  • ACC:
  • Commissioning:

  • Vacuum system: GV control by not MDEM but SwitchBot. Automation using additional vacuum gauges.

  • Heater control: Changed the setpoint in IY.
  • TMS:

Post O4a

  • Measurements of the DAC noise: Type-C.
  • Optimization of the damping control in PRs: PR3.
  • IP control with the ACCs: One more test.
  • In-vacuum accelerometer for IOO: Preparing the geophone pod for IFI chamber. Ag coat screw with ditch is necessary.
  • Height adjustments of Type-A in the cooling: Continued.

Discussion

VIS Meeting

Date: 2023/11/10 10:00-12:00

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

Summary Report

Type-A

  • Height adjustment of ETMX and ETMY.
  • Trouble of the stepper motors in EY.

Type-B

Type-Bp

Type-C

Electronics

Control

R&D

  • TAMA-SAS experiment: Measurement of RL resonances.
  • Calculation of the RL potential.

Schedule

  • TAMA-SAS experiment.

Toward O5

Dropbox paper

  • Design and test of the mini-GAS for the KFC suspension.

Discussion

Next meeting

  • 2023/11/24 10:00-

KAGRA/Subgroups/VIS/VISMinutes20231110 (last edited 2023-11-10 14:27:15 by RyutaroTakahashi)