Differences between revisions 1 and 7 (spanning 6 versions)
⇤ ← Revision 1 as of 2022-10-20 14:17:08 →
Size: 1430
Editor: RyutaroTakahashi
Comment:
← Revision 7 as of 2022-10-21 09:52:33 → ⇥
Size: 1891
Editor: RyutaroTakahashi
Comment:
Deletions are marked like this. Additions are marked like this.
Line 17: Line 17:
 * Type-Bp:  * Type-Bp: Test of the strong damping in PRM.
Line 22: Line 22:
 * Oplev: Stabilization of the light source.  * Oplev: Windshield in IMMT2.
Line 40: Line 40:
 * The BF GAS in IY had been saturated in the last weekend (not monitored). The setpoint of the heater control was changed from 30C to 25C. The BF GAS was recovered.
Line 44: Line 45:
 * Repaired the broken geophone pod which was replaced with the spare geophone in SR2. We had three geophone pre-amps as spares, but they are the old type boards with opposite side sockets for the feedthrough. I made a special ribbon cable to connect to the feedthrough.

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: 2022/10/21 13:00-

Participants:

Post O3 Upgrade portal

Schedule

  • Type-A: Test of the heater control in IY.
  • Type-B: Optimization of the IP controls (Diagonalization, Calibration, Sensor correction).
  • Type-Bp: Test of the strong damping in PRM.
  • Type-C:

Status

  • Replacement of cables: EXT remains.
  • Oplev: Windshield in IMMT2.
  • ACC: Repair of the geophone for spare.
  • Commissioning:

  • Acceptance check: DropboxPaper

  • Vacuum system: Leak test in IMM, IFI, PRs, and TMSY.
  • Heater control: Test in IY.
  • TMS:

Discussion

VIS Meeting

Date: 2022/10/14 13:30-

Participants:

Summary Report

Type-A

  • The BF GAS in IY had been saturated in the last weekend (not monitored). The setpoint of the heater control was changed from 30C to 25C. The BF GAS was recovered.

Type-B

Type-Bp

Type-C

Electronics

  • Repaired the broken geophone pod which was replaced with the spare geophone in SR2. We had three geophone pre-amps as spares, but they are the old type boards with opposite side sockets for the feedthrough. I made a special ribbon cable to connect to the feedthrough.

Control

Schedule

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

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 10/24

  • Hirata: 10/25-28

The week from 10/31

  • Takahashi:
  • Hirata:
  • Sato:

Next meeting

  • 2022/10/28(FRI) 13:30

KAGRA/Subgroups/VIS/VISMinutes20221021 (last edited 2022-10-21 13:46:52 by RyutaroTakahashi)