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⇤ ← Revision 2 as of 2023-09-28 10:07:38 →
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Editor: RyutaroTakahashi
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← Revision 5 as of 2023-09-29 13:41:56 → ⇥
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Editor: RyutaroTakahashi
Comment:
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Date: 2023/9/29 13:00- Date: 2023/9/29 13:00-13:40
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Participants: Participants: Takahashi, Uchiyama, Aso, Ushiba, Miyoki, Ikeda, Node, Hirata, Sato, Mitsuhashi, Akutsu, Kimura, Yokozawa
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 * Type-A: Height adjustment of ETMX. Offload in IX. Adjustment of the damping loop  in EX. Diagonalization of the payload actuators in EX. Update of the MN Y Oplev damping loop in IY.  * Type-A: Height adjustment of ETMX. Offload in IX. Adjustment of the damping loop in EX. Diagonalization of the payload actuators in EX. Update of the MN Y Oplev damping loop in IY.
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 * Vacuum system: Opened the GVs in EX.  * Vacuum system: Opened the GVs in EX. TMP in X-27 was failed.
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 * Hight adjustments of Type-A in the cooling: Monitoring.  * Height adjustments of Type-A in the cooling: Monitoring.
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 * IM heater:
 * OMC damper: The parts have been ordered.		  * IM heater: EX remains.
 * OMC damper: The parts have been ordered. Vent on 10/13.
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Date: 2023/9/28 10:00- Date: 2023/9/28 10:15-11:00
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Participants: Participants: Takahashi, Sato, Mitsuhashi, Hirata, Tanaka, Aso
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  * Ordering of the parts of damper.   * Ordering of the damper parts.

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: 2023/9/29 13:00-13:40

Participants: Takahashi, Uchiyama, Aso, Ushiba, Miyoki, Ikeda, Node, Hirata, Sato, Mitsuhashi, Akutsu, Kimura, Yokozawa

Acceptance check document

Suspensions

  • Type-A: Height adjustment of ETMX. Offload in IX. Adjustment of the damping loop in EX. Diagonalization of the payload actuators in EX. Update of the MN Y Oplev damping loop in IY.
  • Type-B:
  • Type-Bp:
  • Type-C:

Other items

  • Oplev: Preparation of the temperature controls for IXC and EXC.
  • ACC:
  • Commissioning:
  • Vacuum system: Opened the GVs in EX. TMP in X-27 was failed.
  • Heater control:
  • TMS:

Post O4a

  • Measurements of the DAC noise: Type-C.
  • Optimization of the damping control in PRs: Test for PR3 again in the next week.
  • IP control with the ACCs: One more test in the next week.
  • In-vacuum accelerometer for IOO: Leak test of the pod in the next week.
  • Height adjustments of Type-A in the cooling: Monitoring.
  • Temperature control for the Oplev: Preparation for IXC and EXC.
  • TM cooling: Schedule.
  • IM heater: EX remains.
  • OMC damper: The parts have been ordered. Vent on 10/13.

Discussion

VIS Meeting

Date: 2023/9/28 10:15-11:00

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

Summary Report

Type-A

  • Height adjustment of ETMX.
  • Offload of F0 in IX. The FR reached a hardware limit, so the setpoint was changed.

Type-B

Type-Bp

Type-C

  • Damping of the OMC suspension.
    • Ordering of the damper parts.
    • Prototype test of the flexible pendulum damper.

Electronics

Control

R&D

  • TAMA-SAS experiment: Reassembly of the RL.

Schedule

  • TAMA-SAS experiment.
  • Preparation for the OMC damper.

Toward O5

Discussion

Next meeting

  • 2023/10/13 10:00-

KAGRA/Subgroups/VIS/VISMinutes20230929 (last edited 2023-09-29 13:41:56 by RyutaroTakahashi)