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⇤ ← Revision 5 as of 2023-08-04 12:51:06 →
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Editor: RyutaroTakahashi
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← Revision 6 as of 2023-08-04 13:25:20 → ⇥
Size: 2207
Editor: RyutaroTakahashi
Comment:
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Date: 2023/8/4 13:00- Date: 2023/8/4 13:00-13:20
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Participants: Participants: Takahashi, Mitsuhashi, Yokozawa, Ikeda, Ushiba, Miyoki
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 * Type-A: Height adjustment in IX, IY, and EY on 7/30　and 8/3.  * Type-A: Height adjustment in IX, IY, and EY on 7/30　and 8/3. Adjustment of the gain for the photo sensors.
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 * Measurements of the DAC noise: on 8/4.  * Measurements of the DAC noise: PRM on 8/4. Type-B/Bp was finished.
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 * Temperature control for the Oplev: Implementation of the heater controller.  * Temperature control for the Oplev: Implementation of the heater controller. From IY in the next week.

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: 2023/8/4 13:00-13:20

Participants: Takahashi, Mitsuhashi, Yokozawa, Ikeda, Ushiba, Miyoki

Acceptance check document

Suspensions

  • Type-A: Height adjustment in IX, IY, and EY on 7/30　and 8/3. Adjustment of the gain for the photo sensors.
  • Type-B: Modification of the BS yaw damping control.
  • Type-Bp:
  • Type-C:

Other items

  • Oplev:
  • ACC:
  • Commissioning:
  • Vacuum system: Replacement of the CC-10 in the Y-arm.
  • Heater control:
  • TMS:

Post O4a

  • Measurements of the DAC noise: PRM on 8/4. Type-B/Bp was finished.
  • Measurements on the sensor correction in SR2: 1 night.
  • Optimization of the damping control in PRs: Measurements 2 days, Test 3 days.
  • IP control with the ACCs: Long-term test in IY.
  • In-vacuum accelerometer for IOO: Outgassing from the pod should be checked.

  • Hight adjustments of Type-A in the cooling: The procedure.

  • Temperature control for the Oplev: Implementation of the heater controller. From IY in the next week.

Discussion

VIS Meeting

Date: 2023/8/4 10:30-11:20

Participants: Takahashi, Akutsu, Mitsuhashi, Tanaka, Shibai

Summary Report

Type-A

  • Height adjustment in IX, IY, and EY.

Type-B

Type-Bp

Type-C

  • Damping of the OMC suspension.
    • Prototype test of the blade damper.
    • Design of the flexible pendulum damper.

Electronics

Control

R&D

  • TAMA-SAS experiment
    • Preparation for the IP controls.

Schedule

  • Monitoring and offload of Type-A during the cooling.
  • TAMA-SAS experiment.

Toward O5

Discussion

Next meeting

  • 2023/8/18 10:00-

KAGRA/Subgroups/VIS/VISMinutes20230804 (last edited 2023-08-04 13:25:20 by RyutaroTakahashi)