Differences between revisions 4 and 18 (spanning 14 versions)
⇤ ← Revision 4 as of 2020-12-03 17:23:48 →
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Editor: RyutaroTakahashi
Comment:
← Revision 18 as of 2020-12-04 12:19:37 → ⇥
Size: 2818
Editor: KousekiMiyo
Comment:
Deletions are marked like this. Additions are marked like this.
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 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Upgrades/PostO3Upgrades|Post O3 Upgrade portal]]
 * Connection/disconnection schedule.		 [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Upgrades/PostO3Upgrades|Post O3 Upgrade portal]]

 * Schedule: Upgrade work in IXV (2/22-3/10) will be swapped with the work in EXV (1/4-1/22). The connection of ITMX is available on 1/12.
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 * Acceptance check items.  * Acceptance check items ([[https://www.dropbox.com/s/6bv15yy6hg0wn40/Acceptance%20Test%20Documentation.docx?dl=0|Inspection document]]).
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 * Set up the old OSTM suspension in the OMC both.
 * [Miyo] We (mainly Ikeda-san) made Type-C guardian. Now we can use ALIGN state. In this state, we only engage the APTICALIGN with ramp time not engage the OpLev DC control according to Nakano-san's advices. [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=15578|klog#15578]]
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[Miyo]
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 * Tested the modified LVDT card. This modification (#14 pin grounded) will be applied to 16 cards.
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 * Type-A team will start modification of ACCs.
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  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|VIS]]   * Upgrade work in IXV (2/22-3/10) will be swapped with the work in EXV (1/4-1/22). ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|Chart]])
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  * [[https://www.dropbox.com/s/6bv15yy6hg0wn40/Acceptance%20Test%20Documentation.docx?dl=0|Inspection document (sample)]]
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 * Mechanical resonances of SRM.
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 * Yano: 12/7-11
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 * Yano: 12/14-18
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(F2F Meeting in 17-18) (F2F Meeting in 12/17-18)

Agenda/Minutes on 2020/12/4

Zoom Meeting

CRY+VIS Interface Meeting

13:30-

Participants:

Post O3 Upgrade portal

  • Schedule: Upgrade work in IXV (2/22-3/10) will be swapped with the work in EXV (1/4-1/22). The connection of ITMX is available on 1/12.
  • Jig for the FC painting.

  • Acceptance check items (Inspection document).

  • PF actuator: Measurement of coefficients --> calculation of the noise (by the end of Jan.).

VIS Meeting

14:00-

Participants:

Progress report

General

Type-A

Type-B

Type-Bp

Type-C

  • Set up the old OSTM suspension in the OMC both.

  • [Miyo] We (mainly Ikeda-san) made Type-C guardian. Now we can use ALIGN state. In this state, we only engage the APTICALIGN with ramp time not engage the OpLev DC control according to Nakano-san's advices. klog#15578

Controls

[Miyo]

Electronics

  • Tested the modified LVDT card. This modification (#14 pin grounded) will be applied to 16 cards.

Towards O4

Safety

Discussion

  • Mechanical resonances of SRM.

Travel Plans

The week from 12/7

  • Takahashi: 12/7-11
  • Hirata: 12/7-11
  • Yano: 12/7-11

The week from 12/14

  • Takahashi: 12/14-18
  • Hirata: 12/14-18
  • Yano: 12/14-18

(F2F Meeting in 12/17-18)

Next meeting

  • On 2020/12/11(Fri)

KAGRA/Subgroups/VIS/VISMinutes20201204 (last edited 2020-12-04 15:23:41 by RyutaroTakahashi)