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[X-end]
  * The LVDT drivers have a steep line at 548Hz (by Lucia and Fujii).
  * The transfer functions of filters showed that the suspension is not healthy (by Lucia),
  * Checked the BF with opening the cross chamber. Any primary coils for BF damper were not touching to the secondary coils (by Tomaru).
  * The F0 keystone is too low. The F1-F3 keystones are closing to the upper receptacles.
Line 22: Line 28:
  * Recover the problem in X-end (Mar. 11-12).

Agenda/Minutes of the VIS Meeting on 2019/3/8

2019/3/8 13:30 -

Zoom Meeting

Participants:

Progress report

Schedule Chart

Site work schedule: [[|XLSX]]

Type-A : (PDF/MPP)

Type-B: (PDF/MPP)

Type-C: (XLSX)

Type-A (Takahashi)

Past week report

[X-end]

  • The LVDT drivers have a steep line at 548Hz (by Lucia and Fujii).
  • The transfer functions of filters showed that the suspension is not healthy (by Lucia),
  • Checked the BF with opening the cross chamber. Any primary coils for BF damper were not touching to the secondary coils (by Tomaru).
  • The F0 keystone is too low. The F1-F3 keystones are closing to the upper receptacles.

Plan for coming weeks

  • Recover the problem in X-end (Mar. 11-12).

Type B (Mark)

Past week report

Plan for coming weeks

Type-Bp (Shoda)

Past week report

Plan for coming weeks

OMMT & OSTM (Ohishi)

Past week report

Plan for coming weeks

VIS electronics (Tanaka)

Past week report

Plan for coming weeks

Other site works

Safety

  • Incidents:
  • Foreseen risks
    • Type-A:
    • Type-B:

Discussion

Travel Plans

  • Travel (Week of 3/11):
    • Takahashi:
    • Okutomi:
    • Sato:
    • Lucia:
    • Fabian:
    • Mark:
    • Hirata:
    • Enzo:
    • Shoda:
    • Ohishi:
    • Fujii:
    • Tanioka:
    • Tanaka:
    • Terrence
  • Travel (Week of 3/18):
    • Takahashi:
    • Okutomi:
    • Sato:
    • Lucia:
    • Fabian:
    • Mark:
    • Hirata:
    • Enzo:
    • Shoda:
    • Ohishi:
    • Fujii:
    • Tanioka:
    • Terrence

Next meeting

On 2019/3/15(Fri)

KAGRA/Subgroups/VIS/VISMinutes20190308 (last edited 2019-03-08 15:26:17 by YoichiAso)