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⇤ ← Revision 2 as of 2022-10-21 09:32:01 →
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Editor: RyutaroTakahashi
Comment:
← Revision 6 as of 2022-10-21 09:51:35 → ⇥
Size: 1899
Editor: RyutaroTakahashi
Comment:
Deletions are marked like this. Additions are marked like this.
Line 40: Line 40:
 * Heater control in IY: The BF GAS had been saturated in the last weekend (not monitored). The setpoint of the heater 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

  • Heater control in IY: The BF GAS had been saturated in the last weekend (not monitored). The setpoint of the heater 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)