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Editor: RyutaroTakahashi
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Date: 2022/10/28 13:00- Date: 2022/10/28 13:00-13:10
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Participants: Participants: Takahashi, Uchiyama, Node, Mitsuhashi, Ushiba, Aso, Sato, Hirata, Ikeda, Yasui, Akutsu
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[[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Upgrades/PostO3Upgrades|Post O3 Upgrade portal]] [[https://paper.dropbox.com/folder/show/AcceptanceTest-e.1gg8YzoPEhbTkrhvQwJ2zzo3dHVh5sJGieDgbm2n3h60mGqotBeE|Acceptance check document]]
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== Schedule == == Status ==
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== Status == == Other items ==
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 * Commissioning:
 * Acceptance check: [[https://paper.dropbox.com/folder/show/AcceptanceTest-e.1gg8YzoPEhbTkrhvQwJ2zzo3dHVh5sJGieDgbm2n3h60mGqotBeE|DropboxPaper]]
 * Vacuum system: Cooling problem in EXC. TMP in EYT.
 * Heater control: Test in IY. Drift is large from 25th.		  * Commissioning: Lock of the PR cavity.
 * Vacuum system: Cooling problem in EXC? GV opening in EYT on 10/31. Moving of the dry pump in EYT on 11/4.
 * Heater control: Test in IY. GAS drift was large in EY from 10/25.
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 * GAS drift was large in EY from 10/25.
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 * SR3: With new geophone inter-calibration factors, Lucia implemented the inertial damping and updated Guardian.
 * SR2:
  * Lucia implemented inertial damping and upated Guardian.
  * Fabián wrote a Jupyter notebook based on Terrence's tutorial for blending geophone and LVDT using the methods he developed. It's still a work on progress.
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 * PRM: Ushiba-san did diagonalization of the BF and oplev.

Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Status
    2. Other items
    3. Discussion
  3. VIS Meeting
    1. Summary Report
      1. Type-A
      2. Type-B
      3. Type-Bp
      4. Type-C
      5. Electronics
      6. Control
    2. Schedule
    3. Safety
    4. Discussion
    5. Travel Plans
    6. Next meeting

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2022/10/28 13:00-13:10

Participants: Takahashi, Uchiyama, Node, Mitsuhashi, Ushiba, Aso, Sato, Hirata, Ikeda, Yasui, Akutsu

Acceptance check document

Status

  • Type-A:
  • Type-B: Optimization of the IP controls (Blending filter, Sensor correction, Noise measurement).
  • Type-Bp: Decoupling of TM/BF in PRM.
  • Type-C:

Other items

  • Replacement of cables: EXT remains.
  • Oplev: Windshield in PRM.
  • ACC:
  • Commissioning: Lock of the PR cavity.
  • Vacuum system: Cooling problem in EXC? GV opening in EYT on 10/31. Moving of the dry pump in EYT on 11/4.
  • Heater control: Test in IY. GAS drift was large in EY from 10/25.
  • TMS:

Discussion

VIS Meeting

Date: 2022/10/28 13:30-

Participants:

Summary Report

Type-A

  • GAS drift was large in EY from 10/25.

Type-B

  • SR3: With new geophone inter-calibration factors, Lucia implemented the inertial damping and updated Guardian.
  • SR2:
    • Lucia implemented inertial damping and upated Guardian.
    • Fabián wrote a Jupyter notebook based on Terrence's tutorial for blending geophone and LVDT using the methods he developed. It's still a work on progress.

Type-Bp

  • PRM: Ushiba-san did diagonalization of the BF and oplev.

Type-C

Electronics

Control

Schedule

  • Type-A:
  • Type-B: Optimization of IP controls.
  • Type-Bp:
  • Type-C:

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 10/31

  • Hirata: ?

The week from 11/7

  • Takahashi: 11/7-10
  • Aso: 11/7-10

Next meeting

  • 2022/11/4(FRI) 13:30

KAGRA/Subgroups/VIS/VISMinutes20221028 (last edited 2022-10-28 13:14:32 by RyutaroTakahashi)