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  * ITMY: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12572|klog#12572]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12590|#12590]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12599|#12599]],    * ITMY: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12572|klog#12572]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12590|#12590]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12599|#12599]],
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 * Oplev cover design is ongoing: 2 for Type Bp, 2 for SR and 2 for BS.
 * I went to the tunnel to measure the cleanroom around SR2 chamber again. I measure position of the hand rail.

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 * Working on modeling update to include the control system.

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 * Recovered the cable for the OSEM in OMMT1.   * Recovered the cable for the OSEM in OMMT1.

Agenda/Minutes of the VIS Meeting on 2020/1/24

2020/1/24 14:00 -

Zoom Meeting

Participants:

VIS Commissioning Task List

Post-O3 task list

Schedule afetr O3

Procurement list in 2019FY

Progress report

Type-A

Past week report


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  • Coil driver replacement (by T. Yamada, K. Okutomi)
    • The coil driver for ITMY TM actuators has been replaced to the high-power one.
    • Now all the Type-A TM actuators have high power driving.


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  • GAS control status (by L. Trozzo, T. Yamamoto)
    • ITMX F2 GAS control got saturated due to temperature drift (klog#12611)

    • The limit values for the DAMP and COILOUTF filters have been increased to 30000 counts.
      • Because we don't have to take care of the analog WD tripping in the coil drivers.

Plan for coming weeks

Type B

Past week report


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  • Oplev cover design is ongoing: 2 for Type Bp, 2 for SR and 2 for BS.
  • I went to the tunnel to measure the cleanroom around SR2 chamber again. I measure position of the hand rail.


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Plan for coming weeks

Type-Bp

Past week report


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  • Working on modeling update to include the control system.


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Plan for coming weeks

OMMT & OSTM

Past week report

  • Released the bellows springs in the OSTM suspension.
  • Recovered the cable for the OSEM in OMMT1.

Plan for coming weeks

VIS electronics

Past week report

Plan for coming weeks

Other site works

Safety

  • Incidents:

Discussion

Travel Plans

  • Travel (Week of 1/27):
    • Takahashi:
    • Sato:
    • Hirata:
    • Shoda:
    • Fujii:
    • Tanaka:
  • Travel (Week of 2/3):
    • Takahashi:
    • Sato:
    • Hirata:
    • Shoda:
    • Fujii:
    • Tanaka:

Next meeting

On 2020/1/31(Fri)

KAGRA/Subgroups/VIS/VISMinutes20200124 (last edited 2020-01-24 15:26:39 by RyutaroTakahashi)