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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 == * [[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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= Design = | |
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[[TypeAdesign|{{attachment:figTypeAsasNamed.png||width=30%,align="left"}}]] | [[TypeAdesign|{{attachment:figTypeAsasNamed3.png||width=33%,align="right"}}]] == Drawings == * Type-A SAS whole assy * Vacuum chamber * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5794|Vertical]] (IXV, EXV, IYV, EYV) * Cryostat === 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)]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5638|F0 LVDT-actuator unit]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5639|Blade spring for static position adjustment]] * Magnetic Damper (MD) * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter (SF)]] * Bottom Filter (BF) * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5656|BF LVDT and Attachments]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2555|Fishing rod]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5743|Maraging wire]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5461|Dummy Payload]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5462|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 === * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5196|Requirements for Type-A SAS]] === Installation Procedure === * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=410|Initial concept]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500|Installation procedure of Type-A system]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9838|Installation direction of Bottom Filter]] === Measurement and Analysis === * 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 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5105|[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) * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5707|[2016.09.30] Measurements of BF LVDT Prototype]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5099|[2016.11.15] Bottom filter optimal wight re-measurement]] ----- == Electronics == * 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 = * LVDT * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2826|LVDT Driver]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2117|LVDT-coil distributor]] * LVDT-coil combiner * Accelerometer * ACC driver * Geophone * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1466|Preamp circuit]] * Coil-magnet actuator * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3502|High power coil driver]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3506|Low power coil driver]] * Optical lever * QPD board * Stepper motor * Stepper motor driver * Picomotor * Picomotor driver * Cabling * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7587|In-Vacuum cables (hand made)]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9192|Type-A suspension cabling]] * [[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|Feedthough assignment]] |
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== Mechanical Stage == 9 stages = 5 mechanical filters at room temperature + 4 stages in cryogenic payload (Cryopayload, CRYp) |
----- == Members of Type-A Team == . Ryutaro TAKAHASHI (Leader) . Naohisa SATO . Lucia TROZZO . Yoshinori FUJII . Koki OKUTOMI . Hideharu ISHIZAKI |
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=== Pre-Isolator === | == Meeting == * NAOJ VIS Meeting [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/MeetingNAOJ|Minutes]] * Type-A team meeting [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/Meeting|Minutes]] |
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----- = Schedule = [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4792|Task list]] = Meeting = * Type-A team meeting [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/Meeting|Minutes]] |
== See also == * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4005|JGW-E1504005]]: VIS Document and Drawing Tree (Type-A) * [[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]] * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/CRY|KAGRA/Subgroups/CRY]] |
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
- 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)
- Naohisa SATO
- Lucia TROZZO
- Yoshinori FUJII
- Koki OKUTOMI
- Hideharu ISHIZAKI
Meeting
See also
JGW-E1504005: VIS Document and Drawing Tree (Type-A)
KAGRA Dropbox > Subsystems > VIS > TypeA