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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)]] ------ |
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------ [[TypeAdesign|{{attachment:figTypeAsasNamed1.png||width=25%,align="right"}}]] |
[[TypeAdesign|{{attachment:figTypeAsasNamed2.png||width=25%,align="right"}}]] |
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=== Room-temperature parts === | === Tower === |
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* [[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]] |
* [[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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* Fishing rod | * [[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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* 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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* Heavier set: 3-2(F1), 2-2(F2), 1-4(F3) * Lighter set: 3-3(F1), 2-1(F2), 1-3(F3) |
* 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://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]] [<color="#00FF00"> ● <"#00FF00">] * [[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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* [[https://www.dropbox.com/s/pirv8eyijdmwnd8/Type-A%20%E3%82%B1%E3%83%BC%E3%83%96%E3%83%AB%E3%83%97%E3%83%A9%E3%83%B3_20170407.pptx?dl=0|Cabling configuration (last update: 4/7)]] | |
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. FURUYA (from MIRAPRO) | |
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== 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]] |
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
Drawings
- Type-A SAS whole assy
- Vacuum chamber
Vertical (IXV, EXV, IYV, EYV)
- Cryostat
Tower
- Magnetic Damper (MD)
- Bottom Filter (BF)
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
- Type-A Control 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)
Electronics
- General
Lecture of Standalone Digital system for VIS [<color="#00FF00"> ● <"#00FF00">]
- Quick information
- ADC accepts +/- 10 V differential =
- LVDT
- LVDT-coil combiner
- Accelerometer
- ACC driver
- Geophone
- Coil-magnet actuator
- Optical lever
- QPD board
- Stepper motor
- Stepper motor driver
- Picomotor
- Picomotor driver
- Cabling
Members of Type-A Team
- Ryutaro TAKAHASHI (Leader)
- Hideharu ISHIZAKI
- Naohisa SATO
- FURUYA (from MIRAPRO)
- Koki OKUTOMI
Meeting
See also
JGW-E1504005: VIS Document and Drawing Tree (Type-A)
KAGRA Dropbox > Subsystems > VIS > TypeA