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 * Damping filter modification (by M. Nakano and the Three CRY Musketeers, T. Ushiba, T. Yamada, t. Nishimoto)
  * ETMX: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12571|klog#12571]]
  * ITMY: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12572|klog#12572]]		  * Payload damping filter modification (by M. Nakano and the Three CRY Musketeers, T. Ushiba, T. Yamada, T. Nishimoto)
  * ETMX: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12571|klog#12571]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12603|#12603]]
  * 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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 *  * 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.
 * GAS control status (by L. Trozzo, T. Yamamoto)
  * ITMX F2 GAS control got saturated due to temperature drift ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12611|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.
Line 32: Line 38:
 * Working on modeling update to include the control system.

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

  • Payload damping filter modification (by M. Nakano and the Three CRY Musketeers, T. Ushiba, T. Yamada, T. Nishimoto)
  • 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.
  • 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

Plan for coming weeks

Type-Bp

Past week report

  • Working on modeling update to include the control system.

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)