Differences between revisions 1 and 32 (spanning 31 versions)
⇤ ← Revision 1 as of 2020-12-02 20:53:11 →
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Editor: RyutaroTakahashi
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← Revision 32 as of 2020-12-04 12:57:51 → ⇥
Size: 4207
Editor: KousekiMiyo
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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]] [[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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 * The connection/disconnection schedule.
 * Acceptance check items.		  * Acceptance check items ([[https://www.dropbox.com/s/6bv15yy6hg0wn40/Acceptance%20Test%20Documentation.docx?dl=0|Inspection document]]).
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 * [Miyo]
  * As you all know, we have had trouble starting a measurement with a DGS error [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=15567|klog#15567]]. In order to eliminate this confusion during the work, I make the following rules;
   1. First, make sure that the VIS_OVERVIEW screen shows '''all green before you start working'''.
   2. And after working, be sure to '''make everything green''' before finish your work. This is a kindness for the next worker.
   3. The SDF will probably turn red as you work. This means that SDF has detected EPICS channel differences during your work. If you accept these differences, please '''take a screenshot and post it in klog''' (e.g. [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=15553|klog#15553]]), but you don't have to post it to revert.
  * That's all.
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 * [Takahashi, Iguchi]
  * 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]
  * I started working with Ikeda-san and Yamamoto-san to standardize the VIS models. Purpose of this work is '''to eliminates subtle model differences''', such as different naming conventions for different suspension types.
  * By doing so, we will be able to do the same commissioning if the hardware is the same, '''so that more suspensions can be commissioned by fewer people'''.
  * In this week, we are working on arranging the models of the Tower except the GAS. I'll get consensus from Terrence and Fabian about changing the models.
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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://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11520|Limit switch connecting guide]] <-- Corrected page14 on 11.25   * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11520|Limit switch connecting guide]]
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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

  • [Miyo]

    • As you all know, we have had trouble starting a measurement with a DGS error klog#15567. In order to eliminate this confusion during the work, I make the following rules;

      1. First, make sure that the VIS_OVERVIEW screen shows all green before you start working.

      2. And after working, be sure to make everything green before finish your work. This is a kindness for the next worker.

      3. The SDF will probably turn red as you work. This means that SDF has detected EPICS channel differences during your work. If you accept these differences, please take a screenshot and post it in klog (e.g. klog#15553), but you don't have to post it to revert.

    • That's all.

Type-A

Type-B

Type-Bp

Type-C

  • [Takahashi, Iguchi]
    • 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]

    • I started working with Ikeda-san and Yamamoto-san to standardize the VIS models. Purpose of this work is to eliminates subtle model differences, such as different naming conventions for different suspension types.

    • By doing so, we will be able to do the same commissioning if the hardware is the same, so that more suspensions can be commissioned by fewer people.

    • In this week, we are working on arranging the models of the Tower except the GAS. I'll get consensus from Terrence and Fabian about changing the models.

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)