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Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Schedule
    2. Status
    3. Discussion
  3. VIS Meeting
    1. Schedule
    2. Klog
    3. Summary Report
      1. TypeA
      2. TypeB
      3. Type-Bp
      4. TypeC
      5. Electronics
      6. Control
    4. Safety
    5. Discussion
    6. Travel Plans
    7. Next meeting

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date : 13:30-

Participants :

Post O3 Upgrade portal

Schedule

  • IX: Oplev will be finalized in April. Height and alignment adjustments are on going. ACC will be installed in April.
    • Height adjustment of the pre-isolator with pistons.
  • IY: Remedy of the pre-isolator will be postponed.
  • EX: Height and alignment adjustments are scheduled in 4/20-23.
  • EY: Installation of the tower will be restarted in May. Removing of the maraging rod is necessary.

Status

  • Corrugate tube fixing jig: They will be prepared by the end of May.
  • Commissioning in air: From mid. May for IX.
  • Commissioning in vacuum:
  • Acceptance check: Check items for in-air commissioning should be confirmed on the payload.
  • PF actuator: After the commissioning for suspension.
  • Jig for FC painting:
  • Overall commissioning:
  • Procedure of TM height setting: Prepare for the measurement in the first in-vacuum commissioning in IX.

Discussion

VIS Meeting

14:30-

Participants:

Schedule

See Schedule

  • Type-A team: EXV 4/20-23
  • Type-B team: Remain work on Type-B/Bp.

Milestone

  • IMC suspensions are ready in air [40] will finish 2011/04/21.

  • PRs are ready in air [643] will finish 2011/07/09.

  • ETMX is ready in air [656] will finish 2021/08/25.

  • ITMX is ready in air [657] will finish 2021/08/31.

  • ETMY is ready in air [658] will finish 2021/09/16.

  • ITMY is ready in air [659] will finish 2021/11/08.

  • BS is ready in air [691] will finish 2011/11/24.

  • SRs are ready in air [663] will finish 2011/12/20.

  • Output suspensions are ready in air [695] will finish 2011/12/21.

  • TMSY is ready in air [708] will finish 2011/??/??.

  • TMSX is ready in air [684] will finish 2011/??/??.

2021/03/29 updated

Klog

BS

  • 16447 Support for common Tower/Payload model files: Type-B(BS) supports TOWER_MASTER and PAYLOAD_MASTER. , satoru.ikeda

General

  • 16446 Model files have been modified. , satoru.ikeda

  • 16445 Buoyancy effect in PR suspensions. , fabian.arellano

  • (!) 16465 Laser level deviation from the horizontal. , fabian.arellano

  • (!) 16465 Laser level deviation from the horizontal. , fabian.arellano

    • (!) 16466 Comment , tomotada.akutsu

IX

  • (!) 16468 Tuning of LVDT type accelerometer for ITMX , kouseki.miyo

  • 16365 Wiring the release sensor (outside the vacuum chamber) , naohisa.satou

    • 16438 Comment , naohisa.satou

  • 16421 Height adjustment of ITMX , ryutaro.takahashi

    • 16458 Comment , ryutaro.takahashi

    • (!) 16472 Comment , ryutaro.takahashi

MCF

  • (!) 16463 Taking picture of MCo coils , takaaki.yokozawa

PR2

  • 16417 Tightening of the inner wire locating clamps. , fabian.arellano

    • 16440 Comment , fabian.arellano

    • 16444 Comment , fabian.arellano

    • 16460 Comment , fabian.arellano

    • (!) 16469 Comment , fabian.arellano

This is generated by python script in /users/Miyo/dropbox/Script/scrapping/main.py.

Summary Report

TypeA

TypeB

Type-Bp

TypeC

Electronics

Control

Safety

Discussion

Travel Plans

The week from 4/19

  • Takahashi: 4/19-23
  • Sato: 4/19-23
  • Hirata: 4/19-23

The week from 4/26

  • Takahashi: 4/26-28
  • Sato: 4/26-5/1
  • Hirata: 4/26-28

Next meeting

  • 2021/4/23(FRI)

KAGRA/Subgroups/VIS/VISMinutes20210416 (last edited 2021-04-17 08:22:28 by RyutaroTakahashi)