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Contents

  1. Agenda/Minutes on 2021/2/19
  2. CRY+VIS Interface Meeting
  3. VIS Meeting
    1. Progress report
      1. Gant Chart
      2. General
      3. Type-C
      4. Type-A
      5. Type-Bp
      6. Type-B
      7. Electronics (Tanaka-san)
      8. Control (Miyo)
    2. Towards O4
    3. Safety
    4. Discussion
    5. Travel Plans
    6. Next meeting

Agenda/Minutes on 2021/2/19

Zoom Meeting

CRY+VIS Interface Meeting

13:30-

Participants:

Post O3 Upgrade portal

  • Schedule for IX: Released on 2/18. BF is overload.
  • Schedule for IY: Disconnection is scheduled on 3/11.
  • Schedule for EX: Connection is scheduled in the week of 3/15.
  • Corrugate tube fixing jig: Re-measurement is planed in 2/26-3/1 at IYV.
  • Commissioning in air: Commissioning of IX will be started. Other schedule has not been decided yet.
  • Commissioning in vacuum:
  • Acceptance check: Cryo-payload in IX and Type-A tower in EY are on going.
  • PF actuator: Not evaluated in IX, but after the commissioning for suspension.
  • Jig for FC painting: Assembling.

VIS Meeting

14:00-

Participants:

Progress report

Gant Chart

vis_gant+0219

General

General Summary:

  • 15737 We investigated the network connection. , satoru.ikeda

    • 16028 Comment, satoru.ikeda

  • 16038 Initialize the OSEMINF filters for all Type-Bp suspensions , kouseki.miyo

    • 16040 Comment, kouseki.miyo

  • 16036 Cabling for temperature control equipment , satoru.ikeda

  • 16038 Initialize the OSEMINF filters for all Type-Bp suspensions , kouseki.miyo

Type-C

MCF Summary:

  • 16041 Recovery of IMC suspension , ryutaro.takahashi

    • 16049 Comment, naohisa.satou

  • 16041 Recovery of IMC suspension , ryutaro.takahashi

Type-A

EY Summary:

  • 15993 Setup of F2 , ryutaro.takahashi

    • 16023 Comment, ryutaro.takahashi

    • 16034 Comment , ryutaro.takahashi

    • 16050 Comment , ryutaro.takahashi

IX Summary:

  • (!) 16055 Setup of BF with the released cryo-payload , ryutaro.takahashi

Type-Bp

PR2 Summary:

  • (!) 16054 PR2 minirack is moved to 2nd floor , kouseki.miyo

PR3 Summary:

  • 15889 Traverser motor test and cabling. , fabian.arellano

    • 16027 Comment, satoru.ikeda

  • 15976 Picomotor of PR3_BF_T(Motor2) got stuck , satoru.ikeda

    • 16024 Comment, fabian.arellano

    • 16026 Comment , satoru.ikeda

    • 16032 Comment , fabian.arellano

    • 16043 Comment , fabian.arellano

    • 16052 Comment , fabian.arellano

    • (!) 16056 Comment , fabian.arellano

PRM Summary:

  • 16048 Operation check of Picomotor of PRM IM and BF , satoru.ikeda

Type-B

SR3 Summary:

  • 15963 IM ballast mass adjustment , fabian.arellano

    • 16009 Comment, fabian.arellano

  • 16007 Ballast mass adjustment on top of BF , fabian.arellano

    • 16018 Comment, fabian.arellano

    • 16035 Comment , fabian.arellano

Electronics (Tanaka-san)

Control (Miyo)

Towards O4

Safety

Discussion

Travel Plans

The week from 2/22

  • Takahashi: 2/23-2/28
  • Sato: 2/23-26
  • Hirata: 2/23-26
  • Yano: 2/23-26

The week from 3/1

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

Next meeting

  • On 2020/2/26(Fri)

KAGRA/Subgroups/VIS/VISMinutes20210219 (last edited 2021-02-20 09:40:40 by RyutaroTakahashi)