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 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|Chart]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?action=show&controller=gantts&f%5B%5D=status_id&f%5B%5D=subject&f%5B%5D=&gantt=1&month=3&months=6&op%5Bstatus_id%5D=o&op%5Bsubject%5D=~&project_id=kagra&query%5Bdraw_progress_line%5D=0&query%5Bdraw_relations%5D=1&set_filter=1&utf8=%E2%9C%93&v%5Bsubject%5D%5B%5D=%5BETMX%5D&year=2021&zoom=2|ETMX]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?action=show&controller=gantts&f%5B%5D=status_id&f%5B%5D=subject&f%5B%5D=&gantt=1&month=3&months=6&op%5Bstatus_id%5D=o&op%5Bsubject%5D=~&project_id=kagra&query%5Bdraw_progress_line%5D=0&query%5Bdraw_relations%5D=1&set_filter=1&utf8=%E2%9C%93&v%5Bsubject%5D%5B%5D=%5BITMX%5D&year=2021&zoom=2|ITMX]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=subject&op%5Bsubject%5D=%7E&v%5Bsubject%5D%5B%5D=%5BETMY%5D&f%5B%5D=&query%5Bdraw_relations%5D=0&query%5Bdraw_relations%5D=1&query%5Bdraw_progress_line%5D=0&months=6&month=3&year=2021&zoom=2|ETMY]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=subject&op%5Bsubject%5D=%7E&v%5Bsubject%5D%5B%5D=%5BITMY%5D&f%5B%5D=&query%5Bdraw_relations%5D=0&query%5Bdraw_relations%5D=1&query%5Bdraw_progress_line%5D=0&months=6&month=3&year=2021&zoom=2|ITMY]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=category_id&op%5Bcategory_id%5D=%3D&v%5Bcategory_id%5D%5B%5D=6&f%5B%5D=&query%5Bdraw_relations%5D=0&query%5Bdraw_relations%5D=1&query%5Bdraw_progress_line%5D=0&months=6&month=3&year=2021&zoom=2|PRs]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=category_id&op%5Bcategory_id%5D=%3D&v%5Bcategory_id%5D%5B%5D=7&f%5B%5D=&query%5Bdraw_relations%5D=0&query%5Bdraw_relations%5D=1&query%5Bdraw_progress_line%5D=0&months=6&month=3&year=2021&zoom=2|BS/SRs]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=category_id&op%5Bcategory_id%5D=%3D&v%5Bcategory_id%5D%5B%5D=10&f%5B%5D=&query%5Bdraw_relations%5D=0&query%5Bdraw_relations%5D=1&query%5Bdraw_progress_line%5D=0&months=6&month=3&year=2021&zoom=2|Input Optics suspensions]]
  * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=status_id&op%5Bstatus_id%5D=o&f%5B%5D=category_id&op%5Bcategory_id%5D=%3D&v%5Bcategory_id%5D%5B%5D=20&f%5B%5D=&query%5Bdraw_relations%5D=0&query%5Bdraw_relations%5D=1&query%5Bdraw_progress_line%5D=0&months=6&month=3&year=2021&zoom=2|Output Optics susspensions]]

memo
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 * Type-A team: IXV in 3/1-3, IMC in 3/4-5
 * Type-B team: EXV in 3/1-2, PR3 in 3/3-5
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<<MonthCalendar(,2021,3)>>

Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Schedule
    2. Status
    3. Discussion
  3. VIS Meeting
    1. Schedule
    2. Progress report
      1. TypeA
      2. TypeB
      3. TypeBp
      4. TypeC
      5. Electronics
      6. Control
    3. Safety
    4. Discussion
    5. Travel Plans
    6. Next meeting

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date : 13:30-13:45

Participants :

Post O3 Upgrade portal

Schedule

  • IX: Setting Oplev by 3/10. Preparing additional spring for BF.
  • IY: Disconnection is scheduled on 3/11.
  • EX: Connection is scheduled in the week of 3/15.

Status

  • Corrugate tube fixing jig: Started the vent of IYV chamber on 26th. Re-measurement is on going in 2/25-3/2 at IYV.
  • Commissioning in air: Commissioning of IX will be delay. From April?
  • Commissioning in vacuum: From May?
  • Acceptance check: Cryo-payload in IX/EX and Type-A tower in EY/IX are on going.
  • PF actuator: Not evaluated in IX, but after the commissioning for suspension.
  • Jig for FC painting: Assembling.
  • Overall commissioning: To be considered about personnel.

Discussion

  • [Miyo] オフロード作業を無くすためのアイデア募集
    • 問題意識：真空圧力が変わるとIPが傾いてPayloadが自身のEQフレームに当たる。（完全に傾かないようにする治具はそもそも不可能なので、傾いても大丈夫なアイデアがほしい。）

    • [Miyo] そもそも、IPが傾いてIPのEQストップに当たった状態でもPayloadも同じく当たらないよう十分に退避させれば良い話に思える。その場合、IPがEQに当たった状態でFRをつかってもとに戻せるかどうか確認すべき。これはAcceptanceCheckに追加すべきか？

VIS Meeting

14:00-14:30

Participants: Takahashi, Hirata, Miyo, Sato, Fabian, Sugiyama, Ishizaki, Aso, Terrence, Tanaka

Schedule

Progress report

TypeA

  • Replacement of LVDT coils for F0 in EX.

TypeB

TypeBp

TypeC

  • Investigation and recovery of IMC suspensions are requested.

Electronics

Control

Safety

Discussion

Travel Plans

The week from 3/1

  • Takahashi: 3/1-5
  • Sato: 3/1-5
  • Hirata: 3/1-5
  • Yano: 3/1-5

The week from 3/8

  • Takahashi: 3/8-3/12
  • Sato: 3/8-3/12
  • Hirata: 3/8-3/12
  • Yano: 3/8-3/12

Next meeting

  • 2021/3/5(FRI)

KAGRA/Subgroups/VIS/VISMinutes20210305 (last edited 2021-03-05 16:43:25 by RyutaroTakahashi)