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Information of the Type-A Seismic Attenuation System (SAS). Information of the Type-A Seismic Attenuation System (SAS).    
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== Status ==

 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/WorkingLog|Site work log]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4792|Schedule (Task list)]]

 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/ETMX|ETMX]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/ETMY|ETMY]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/ITMX|ITMX]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/ITMY|ITMY]]

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[[TypeAdesign|{{attachment:figTypeAsasNamed1.png||width=25%,align="right"}}]]
[[TypeAoverview|{{attachment:TypeAoverview.png||width=33%,align="right"}}]]
[[TypeAdesign|{{attachment:figTypeAsasNamed3.png||width=33%,align="right"}}]]
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  * [[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0053/T1605385/002/VM5926_KAGRAIXV_Type-A.pdf|Vertical]] (IXV, EXV, IYV, EYV)   * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5794|Vertical]] (IXV, EXV, IYV, EYV)
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=== Room-temperature parts ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5460|Earthquake stop - Security flame]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5634|Pre-Isolator]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5636|Top Filter]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5637|Inverted Pendulum]]
=== Tower ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5460|Earthquake stop - Security frame]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6918|Pre-Isolator]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5636|Top Filter (TF)]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5637|Inverted Pendulum (IP)]]
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 * Magnetic Damper
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter]]
 * Bottom Filter
 * Magnetic Damper (MD)
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter (SF)]]
 * Bottom Filter (BF)
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 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2555|Fishing rod]]
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=== Cryogenics === === Cryogenic Payload ===
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 * Platform
 * Marionette
 * Platform (PF)
 * Marionette (MT)
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 * Intermediate Mass  * Intermediate Mass (IM)
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 * Sapphire Mirror (Test Mass)  * Test Mass (TM) - Sapphire Mirror
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 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9838|Installation direction of Bottom Filter]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10522|TF Yaw drive mechanism Initial adjustment]]
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 * Type-A Control Simulation
  * [[https://docs.google.com/spreadsheets/d/1QlaeJ4hME5J6iZWzPmfPFsq5aKwTP3a-1Rd9sqKIExM/edit?usp=sharing|Parameters for simulation]]
   * Shared with Google spread sheet (Browsing and commenting are permitted. Please contact to Okutomi for editing permission.)
   * Under checking the parameters to be more realistic based on measurements and drawings
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  . Data of weight, optimal load, GAS resonant frequency, keystone height
  . Combination of the standard filters for Type-A with ID
   * X end: 3-2(F1), 2-2(F2), 1-4(F3)
   * Y end: 3-3(F1), 2-1(F2), 1-3(F3)
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 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5099|[2016.11.15] Bottom filter optimal wight re-measurement]]
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[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5193|List of drivers for VIS]]
 * General
  * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/DGSrack|DGS rack layout]]
  * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/DGSchannel|ADC/DAC channel assignment]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5193|List of drivers for VIS]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=817|Lecture of Standalone Digital system for VIS]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1737|ADC board]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1736|DAC board]]
  * Quick information
   * ADC accepts +/- 10 V differential =
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 * Geophone
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1466|Preamp circuit]]
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 * Optical lever
  * QPD board
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  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7587|In-Vacuum cables (hand made)]]
  * Type-A suspension cabling O4 [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13378|<EX>]], [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13375|<EY>]], [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13404|<IX>]], [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13406|<IY>]]
  * [[https://www.dropbox.com/sh/hkpunq1fjp7nduc/AAAzCL7GbeWAjGiGW8j3zDX2a?dl=0|Photos at installation (link to KAGRA dropbox)]]
  * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/Feedthough|Cable assignment at feedthough and filter side]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9839|Result of continuity check and resistance measurement at installation]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11625|Pin assignment at feedthrough]]
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-----

 
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 . Naohisa SATO
 . Lucia TROZZO
 . Yoshinori FUJII
 . Koki OKUTOMI
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 . Naohisa SATO
 . Koki OKUTOMI

== Schedule ==
[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4792|Task list]]
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 * NAOJ VIS Meeting [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/MeetingNAOJ|Minutes]]
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 * [[https://www.dropbox.com/home|KAGRA Dropbox]] > [[https://www.dropbox.com/home/Subsystems|Subsystems]] > [[https://www.dropbox.com/home/Subsystems/VIS|VIS]] > [[https://www.dropbox.com/home/Subsystems/VIS/TypeA|TypeA]]
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<<Navigation(children)>>

Information of the Type-A Seismic Attenuation System (SAS). This page wants information about not only room-temperature parts but also cryogenic vibration isolation system.

Status


TypeAoverview TypeAdesign

Drawings

  • Type-A SAS whole assy
  • Vacuum chamber

Tower

Cryogenic Payload

  • Cryo-Payload assy
  • Platform (PF)
  • Marionette (MT)
  • Marionette Recoil Mass
  • Intermediate Mass (IM)
  • Intermediate Recoil Mass
  • Test Mass (TM) - Sapphire Mirror
  • Recoil Mass
  • Heat link
    • Heat link suspension


Documents

Reports

Installation Procedure

Measurement and Analysis


Electronics


Members of Type-A Team

  • Ryutaro TAKAHASHI (Leader)
  • Naohisa SATO
  • Lucia TROZZO
  • Yoshinori FUJII
  • Koki OKUTOMI
  • Hideharu ISHIZAKI

Meeting

See also

KAGRA/Subgroups/VIS/TypeA (last edited 2021-11-02 17:29:27 by naohisa.sato)