Differences between revisions 10 and 11
⇤ ← Revision 10 as of 2022-04-08 13:52:08 →
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Editor: RyutaroTakahashi
Comment:
← Revision 11 as of 2022-04-08 14:54:56 → ⇥
Size: 2484
Editor: RyutaroTakahashi
Comment:
Deletions are marked like this. Additions are marked like this.
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Date: 2022/4/8 14:00- Date: 2022/4/8 14:00-14:50
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Participants: Participants: Takahashi, Uchiyama, Fabian, Terrence, Aso, Tanaka, Washimi, Luccia
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 * Designing the limit switch jig for the traverser.  * Designing the limit switch jig for the traverse.
 * BFH LVDT is not working in PRM.
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 * Type-A team:
 * Type-B team: 		 * Type-A team: Finalization of IY.
 * Type-B team: BFH LVDT in PRM. SR3 FR.

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: 2022/4/8 13:00-13:40

Participants: Takahashi, Ikeda, Sato, Yokozawa, Node, Aso, Ushiba, Hirata, Uchiyama, Tomaru, Akutsu, Miyoki

Post O3 Upgrade portal

Schedule

  • IX:
  • EX:
  • IY: Magnet for the TM actuator was reglued. AA for the geophone signal was replaced. Go to finalize (Baffle, Frame adjustment).
  • EY: TM actuator is under investigation.
  • Type-B/Bp/C: Feedthrough flange for MCO was replaced. MCO suspension was realigned. Power supply for PRM/PR3 was replaced. BFH LVDT is not working. TF for SR2 was checked.

Status

  • Replacement of flip cables: Feedthrough flange was replaced in IFI. Cables for TMS were ordered.
  • TM height setting: ITMY.
  • Oplev: Calibration in EY. Windshield in the next.
  • ACC:
  • Commissioning in air:
  • Commissioning in vacuum:
  • Acceptance check:
  • PF actuator: At the in-vacuum commissioning.
  • New vacuum pumps for V-chambers: Opening of the GV in IXV/EXV.
  • Heater control: Test(IXV/EXV).
  • TMS: Pressure was increased in EXT. Monitor is not working now.

Discussion

VIS Meeting

Date: 2022/4/8 14:00-14:50

Participants: Takahashi, Uchiyama, Fabian, Terrence, Aso, Tanaka, Washimi, Luccia

Summary Report

Type-A

  • Closed the ICF 203 flanges on the corrugate tube in IY.

Type-B

  • Checked the transfer functions in SR2.

Type-Bp

  • Designing the limit switch jig for the traverse.
  • BFH LVDT is not working in PRM.

Type-C

  • Replaced the feedthrough flange in MCF.
  • Replaced the feedthrough flange in IFI.
  • Inspected the MCO suspension.

Electronics

Control

Schedule

See Schedule

  • Type-A team: Finalization of IY.
  • Type-B team: BFH LVDT in PRM. SR3 FR.

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 4/11

  • Takahashi: 4/12-15
  • Sato: 4/12-15
  • Hirata: 4/12-15

The week from 4/18

  • Takahashi: 4/19-22
  • Sato: 4/19-22
  • Hirata: 4/19-22

Next meeting

  • 2022/4/15(FRI)

KAGRA/Subgroups/VIS/VISMinutes20220408 (last edited 2022-04-08 14:54:56 by RyutaroTakahashi)