Differences between revisions 3 and 203 (spanning 200 versions)
⇤ ← Revision 3 as of 2016-04-12 15:26:36 →
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← Revision 203 as of 2017-11-10 09:54:31 → ⇥
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Editor: MarkBarton
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 * Electronics
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3600| D1503600-v9 BS Suspension Cabling]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5111| E1605111-v1 BS Suspension Electronic Items List]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3901| D1503901-v2 In-Vacuum Cable Detail]]
  * Need to hand-make geophone cables
  * Need to make longer versions of BF-PI and SF-PI cables (3.7 m and 2.5 m)
  * Need to check OSEM cables have same flip for flexicircuit as for PRx.
  * Asked Miyakawa-san for status on AEL items, especially stepper driver.
 * Compensation masses for RM/IRM ordered, expected 4/29		 === Type B (Mark) ===
==== Past two weeks report ====
At Kamioka (Mark, Enzo, Kozu-kun):
 * Supported IA team.
 * Replaced LPCDs for IM OSEMs with HPCDs for increased pitch/yaw range.
 * Re-zeroed OL after significant change of beam position during IA.
 * Re-laid-out OL to improve focus of lens to LEN QPD.
 * Offloaded the pitch/yaw actuation at the IM OSEMs using the IM pitch/yaw picos.
 * Enzo worked on design of control loops using the OL.
 * Kozu-kun worked on diagonalizing the OL.
Line 15: Line 16:
 * Hirata-san drew up flags
 		 Mitaka (Fabian, Hirata-san):
 * Hirata-san published his inventory of SR parts on Dropbox.

==== Plan for week of 11/13 ====

Kamioka: Mark
 * Attend commissioning workshop at U Toyama.
 * Be person-on-site for BF work.
 * Set up for mirror gluing.

Mitaka: Fabian and Hirata-san
 * SR procurement.
 * New PI GAS FR design.
 * BS LBB ballast mass design.
 * SR cable lamp design.

Mitaka: Enzo and Kozu-kun (Wed, Thu)
 * Servos
 * TFs of BF
 * Documentation

Scraps of text for incorporation in the VIS Meeting Minutes

KAGRA/Subgroups/VIS/MeetingNAOJ

Type B (Mark)

Past two weeks report

At Kamioka (Mark, Enzo, Kozu-kun):

  • Supported IA team.
  • Replaced LPCDs for IM OSEMs with HPCDs for increased pitch/yaw range.
  • Re-zeroed OL after significant change of beam position during IA.
  • Re-laid-out OL to improve focus of lens to LEN QPD.
  • Offloaded the pitch/yaw actuation at the IM OSEMs using the IM pitch/yaw picos.
  • Enzo worked on design of control loops using the OL.
  • Kozu-kun worked on diagonalizing the OL.

Mitaka (Fabian, Hirata-san):

  • Hirata-san published his inventory of SR parts on Dropbox.

Plan for week of 11/13

Kamioka: Mark

  • Attend commissioning workshop at U Toyama.
  • Be person-on-site for BF work.
  • Set up for mirror gluing.

Mitaka: Fabian and Hirata-san

  • SR procurement.
  • New PI GAS FR design.
  • BS LBB ballast mass design.
  • SR cable lamp design.

Mitaka: Enzo and Kozu-kun (Wed, Thu)

  • Servos
  • TFs of BF
  • Documentation

KAGRA/Subgroups/VIS/TypeB/Minutes (last edited 2022-10-28 10:02:46 by fabian.arellano)