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Date: 2022/10/7 13:00- Date: 2022/10/7 13:00-13:25
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Participants: Participants: Takahashi, Yokozawa, Sato, Mitsuhashi, Aso, Hirata, Ushiba, Akutsu, Tomaru, Ikeda
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 * Type-C: Monitoring of the IMMT suspensions during the evacuation.  * Type-C: Monitoring of the IMMT suspensions during the evacuation. IM was touching the magnets in OSTM.
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 * Oplev:  * Oplev: Investigation of input Y.
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 * Commissioning in vacuum:  * Commissioning in vacuum: Beam lost in POP IR PD.
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 * Vacuum system: Pump down of the IMMT-IFI-PRM chambers from 10/4. Leak check.  * Vacuum system: Pump down of the IMMT-IFI-PRM chambers from 10/4. The leak check will be continued in the next week and the next-next week.
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 * Testing the heater control in IY. The heater around the cross tube can affect the BF/F3 GAS drift.
 * Investigating the actuation noise in the ACCs in IX.
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---- /!\ '''Edit conflict - other version:''' ----
 * In SRM, the ople windshield was partially removed in order to allow the search of leaks in the viewports. After such a work was done, the windshield put back again. No leak was found.
 * In the BS,
  * we diagonalized the LVDT L, T and Y degrees of freedom

---- /!\ '''Edit conflict - your version:''' ----

---- /!\ '''End of edit conflict''' ----
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Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Schedule
    2. Status
    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: 2022/10/7 13:00-13:25

Participants: Takahashi, Yokozawa, Sato, Mitsuhashi, Aso, Hirata, Ushiba, Akutsu, Tomaru, Ikeda

Post O3 Upgrade portal

Schedule

  • Type-A: Test of the heater control in IY. Evaluation of the ACCs in IX.
  • Type-B: Diagonalization of the IP LVDT-ACT in BS.
  • Type-Bp: Monitoring of the GAS filters during the evacuation in PRM.
  • Type-C: Monitoring of the IMMT suspensions during the evacuation. IM was touching the magnets in OSTM.

Status

  • Replacement of cables: EXT remains.
  • TM height setting:
  • Oplev: Investigation of input Y.
  • ACC: Evaluation.
  • Commissioning in vacuum: Beam lost in POP IR PD.

  • Acceptance check: DropboxPaper

  • Vacuum system: Pump down of the IMMT-IFI-PRM chambers from 10/4. The leak check will be continued in the next week and the next-next week.
  • Heater control: Test in IY.
  • TMS: Finalization of TMSY.

Discussion

VIS Meeting

Date: 2022/10/7 14:00-

Participants:

Summary Report

Type-A

  • Testing the heater control in IY. The heater around the cross tube can affect the BF/F3 GAS drift.
  • Investigating the actuation noise in the ACCs in IX.

Type-B

/!\ Edit conflict - other version:

  • In SRM, the ople windshield was partially removed in order to allow the search of leaks in the viewports. After such a work was done, the windshield put back again. No leak was found.
  • In the BS,
    • we diagonalized the LVDT L, T and Y degrees of freedom

/!\ Edit conflict - your version:

/!\ End of edit conflict

Type-Bp

Type-C

Electronics

Control

Schedule

  • Type-A:
  • Type-B:
  • Type-Bp:
  • Type-C:

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 10/10

  • Hirata: 10/12-14

The week from 10/17

  • Takahashi:
  • Sato:
  • Hirata:

Next meeting

  • 2022/10/14(FRI)

KAGRA/Subgroups/VIS/VISMinutes20221007 (last edited 2022-10-07 14:14:15 by RyutaroTakahashi)