Diff for "KAGRA/Subgroups/VIS/TypeA"

Differences between revisions 157 and 170 (spanning 13 versions)

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

Contents

Status
Drawings
1. Tower
2. Cryogenic Payload
Documents
Electronics
Members of Type-A Team
Meeting
See also

Drawings

Type-A SAS whole assy
Vacuum chamber
- Vertical (IXV, EXV, IYV, EYV)
- Cryostat

Tower

Earthquake stop - Security frame
Pre-Isolator
Magnetic Damper (MD)
Standard Filter (SF)
Bottom Filter (BF)
- BF LVDT and Attachments
Fishing rod
Maraging wire
Dummy Payload
Hoist's tools

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

Requirements for Type-A SAS

Installation Procedure

Measurement and Analysis

Type-A Control Simulation
- 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
[2016.08.15] Measurements of Standard Filter
- 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)
[2016.09.30] Measurements of BF LVDT Prototype
[2016.11.15] Bottom filter optimal wight re-measurement

Electronics

General
- DGS rack layout
- ADC/DAC channel assignment
- List of drivers for VIS
- Lecture of Standalone Digital system for VIS
- ADC board
- DAC board
- Quick information
  - ADC accepts +/- 10 V differential =
LVDT
- LVDT Driver
- LVDT-coil distributor
- LVDT-coil combiner
Accelerometer
- ACC driver
Geophone
- Preamp circuit
Coil-magnet actuator
- High power coil driver
- Low power coil driver
Optical lever
- QPD board
Stepper motor
- Stepper motor driver
Picomotor
- Picomotor driver
Cabling

Members of Type-A Team

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

Meeting

NAOJ VIS Meeting Minutes
Type-A team meeting Minutes

-  ⇤ ← Revision 157 as of 2019-01-28 16:17:17 → 
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+   ← Revision 170 as of 2021-11-02 17:29:27 → ⇥
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  Editor: naohisa.sato
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+[[TypeAoverview|{{attachment:TypeAoverview.png||width=33%,align="right"}}]]
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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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-  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9192|Type-A suspension cabling (link to KAGRA dropbox)]] 
  * [[https://www.dropbox.com/sh/hkpunq1fjp7nduc/AAAzCL7GbeWAjGiGW8j3zDX2a?dl=0|Photos during installation]]
  * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/Feedthough|Feedthough assignment]]
+  * 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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+<<Navigation(children)>>