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Editor: RyutaroTakahashi
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Date : 13:30-13:45
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 * Date : 13:30-
 * Participants :		 Participants : Takahashi, Ikeda, Miyo, Tomaru, Aso, Kimura, Hirata, Sato
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 * Corrugate tube fixing jig: Re-measurement is on going in 2/25-3/2 at IYV.
 * Commissioning in air: Commissioning of IX will be deley.
 * Commissioning in vacuum:		  * 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?
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14:00- 14:00-14:30
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Participants: Participants: Takahashi, Hirata, Miyo, Sato, Fabian, Sugiyama, Ishizaki, Aso, Terrence, Tanaka
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 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|Chart]]
 * 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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=== TypeA ===
 * Replacement of LVDT coils for F0 in EX.
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=== TypeB ===
=== TypeBp ===
=== TypeC ===
 * Investigation and recovery of IMC suspensions are requested.

=== Electronics ===
=== Control ===
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 * O3GK Noise Budget : Seismic noise through the Type-A tower
  * [[https://gokagra.slack.com/archives/C015M111B5G/p1611978135005400]]
  * Calculation for the ETMY : much smaller than O3GK sensitivity, but larger than the design sensitivity
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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
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 * 2021/3/5(FRI)

Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Schedule
    2. Status
  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 : Takahashi, Ikeda, Miyo, Tomaru, Aso, Kimura, Hirata, Sato

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.

VIS Meeting

14:00-14:30

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

Schedule

  • Chart

  • 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

Progress report

<< <  2021 / 2 >  >>
Mon Tue Wed Thu Fri Sat Sun
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28

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/VISMinutes20210226 (last edited 2021-02-26 15:00:01 by RyutaroTakahashi)