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* Takahashi-san tested sensor correction and blending filters designed by Terrence, for IP-L in SR2. The sensor correction worked well, but there was a problem in the design of the blending filters. Terrence has corrected the error and the measurement will be repeated again on Monday evening.		  * Takahashi-san tested sensor correction and blending filters designed by Terrence, for IP-L in SR2. The sensor correction worked well, but there was a problem in the design of the blending filters. Terrence has corrected the error and the measurement will be repeated again on Monday evening.
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Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Suspensions
    2. Other items
    3. Discussion
  3. VIS Meeting
    1. Summary Report
      1. Type-A
      2. Type-B
      3. Type-Bp
      4. Type-C
      5. Electronics
      6. Control
      7. R&D
    2. Schedule
    3. Safety
    4. Discussion
    5. Travel Plans
    6. Next meeting

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2023/5/12 13:00-13:15

Participants: Takahashi, Mitsuhashi, Ikeda, Akutsu, Ushiba, Uchiyama, Miyoki, Sato, Hirata, Aso

Acceptance check document

Suspensions

  • Type-A: Recovery from the EQ. TM local damping. Oplev QPD centering in EY.
  • Type-B: Recovery from the EQ. Measurements on the sensor correction in SR2.
  • Type-Bp: Recovery from the EQ. Optimization of the damping control in PR2.
  • Type-C: Recovery from the EQ.

Other items

  • Oplev: QPD centering.
  • ACC:
  • Commissioning: Measurements of DAC noise.
  • Vacuum system: Connection of the vacuum gauge at X-27.
  • Heater control:
  • TMS:

Discussion

VIS Meeting

Date: 2023/5/12 13:30-

Participants:

Summary Report

Type-A

Type-B

  • Takahashi-san tested sensor correction and blending filters designed by Terrence, for IP-L in SR2. The sensor correction worked well, but there was a problem in the design of the blending filters. Terrence has corrected the error and the measurement will be repeated again on Monday evening.

Type-Bp

  • Optimization of the damping control in PR2.

Type-C

Electronics

Control

R&D

Schedule

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

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 5/15

Next meeting

  • 2023/5/19(FRI) 13:30-

KAGRA/Subgroups/VIS/VISMinutes20230512 (last edited 2023-05-12 13:44:50 by RyutaroTakahashi)