Differences between revisions 1 and 2
Revision 1 as of 2022-02-03 20:35:40
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Revision 2 as of 2022-02-04 12:25:20
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 * Adjusted the height of ITMY and F1 damper.
 * Investigating the noise source in the accelerometers.
 * Repaired the F0 yaw FR in EY.
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 * Type-A team: Accelerometers in EY. Heater test.  * Type-A team: Accelerometers in EY. Heater test in IXV/EXV.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2022/2/4 13:00-

Participants:

Post O3 Upgrade portal

Schedule

  • IX: Glitch in the F3 signals. Windshield for the MN oplev.
  • EX: Health check will be done after the vacuum issue. Repair of the feedthrough is scheduled on 2/9-10.
  • IY: Height adjustment was done on 2/1.
  • EY: Height measurement was done on 2/1. Oplev setting in Feb. Preparation for the accelerometers.

Status

  • Replacement of flip cables: Type-C. Cables were delivered.
  • TM height setting: Measurement for ITMY.
  • Oplev: Setup of the TM Oplev in IY after the TM alignment in late Feb.
  • ACC: Preparation for EY.
  • Commissioning in air: Return of GRY. Fluctuation of ETMY is large. MN oplev control is necessary.
  • Commissioning in vacuum:
  • Overall commissioning:
  • Acceptance check:
  • PF actuator: At the in-vacuum commissioning.
  • New vacuum pumps for V-chambers: EXV (transportation on 2/7, implementation on 2/8-11)
  • Heater control: Test in IXV/EXV.
  • Power source for Oplev: IY.
  • TMS: Scheduled on 2/14-16.

Discussion


VIS Meeting

Date: 2022/2/4 14:00-

Participants:

Summary Report

Type-A

  • Adjusted the height of ITMY and F1 damper.
  • Investigating the noise source in the accelerometers.
  • Repaired the F0 yaw FR in EY.

Type-B

Type-Bp

Type-C

Electronics

Control

Schedule

See Schedule

  • Type-A team: Accelerometers in EY. Heater test in IXV/EXV.
  • Type-B team:

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 2/7

  • Takahashi: 2/8-10
  • Sato: 2/8-10
  • Hirata: 2/8-10

The week from 2/14

  • Takahashi: 2/15-18
  • Sato: 2/15-18
  • Hirata: 2/15-18

Next meeting

  • 2022/2/18(FRI)

KAGRA/Subgroups/VIS/VISMinutes20220204 (last edited 2022-02-04 15:04:44 by RyutaroTakahashi)