Differences between revisions 82 and 285 (spanning 203 versions)

VIS

Vibration Isolation System is the hardware infrastructure for the main optics in the KAGRA interferometer. The VIS subgroup works for ...

Meetings	Management	User topics	Developer topics
Weekly VIS meeting	Schedule	Bug Reports
Extraordinary meetings

Suspensions	Mechanics	Sensors	Actuators/Motors	Other subsystem interfaces	Control	Apps	Links
Type-A	Pre-Isolator	Geophone	Voice coil actuator	AEL interfaces	General concept	SUMCON	LIGO SEI, SUS
Type-B	├ Inverted pendulum (IP)	Accelerometer	Solenoid actuator?	DGS interfaces	-	ModelPlotter	SEI log, LHO log, LLO log, Virgo log
Type-Bp	└ Top GAS filter	LVDT	Fishing rod	-	-	-
Type-C	Standard GAS filter (SF)	└ BF LVDT	└ Stepper motor	-	-	-
Type-A	Bottom GAS filter (BF)	OSEM		-	-	-
TMS-VIS	Magnetic damper	Photo-reflective sensor	Picomotor	-	-	-
---	Maraging wire	Optical Lever (OpLev)	-	-	-	-

VIS Upgrades

Upgrade Page

Instruments

Suspension types

Actuator design summary

Design Change Logs

Real-time front-end model

See also: Real-time model development

Apps

Installation

Real Time Model Development

Real-time Model Development

Operation

Operation Manual

VIS Introductioon

Introduction materials for VIS

VIS Commissioning

Type-A Commissioning

Old Weekly EVO Meeting

This meeting is suspended.

Past minutes

Subgroup

Members

Chief: R. Takahashi
Member： N. Ohishi, H. Ishizaki, F. E. Pena Arellano, M. Barton, N. Hirata, R. Flaminio, Y. Aso, T. Akutsu , E. Tapia (NAOJ),
T. Sekiguchi, K. Yamamoto, T. Uchiyama (ICRR), R. DeSalvo (Univ. of Sannio), E. Majorana (INFN Rome), J. van den Brand, E. Hennes, A. Bertolini, J. van Heijningen, K. Agatsuma (NIKHEF)

Communication info

Mailing list: [kagra-seis]

-  ⇤ ← Revision 82 as of 2011-03-23 12:54:53 → 
  Size: 4266
  Editor: RyutaroTakahashi
  Comment:
+   ← Revision 285 as of 2020-04-28 16:38:19 → ⇥
  Size: 5586
  Editor: KousekiMiyo
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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-||'''[[LCGT|PROJECT TOP]]''' ||[[LCGT/subgroup/analysis|GW Analysis]] ||[[LCGT/subgroup/ifo|Interferometer]] ||[[LCGT/subgroup/vacuum|Vacuum & Cryostat]] ||[[LCGT/subgroup/laser|Laser & Optics]] ||[[LCGT/subgroup/vis|Seismic Isolator]] ||[[LCGT/subgroup/infra|Infrastructure]] ||
+## page was renamed from LCGT/subgroup/vis

= VIS =

'''V'''ibration '''I'''solation '''S'''ystem is the hardware infrastructure for the main optics in the KAGRA interferometer. 
The VIS subgroup works for ...

||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Meetings'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Management'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''User topics'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Developer topics''' ||
||[[KAGRA/Subgroups/VIS/MeetingNAOJ|Weekly VIS meeting]] || [[KAGRA/Subgroups/VIS/Schedule|Schedule]] || [[KAGRA/Subgroups/VIS/BugReports|Bug Reports]] ||  ||
||[[KAGRA/Subgroups/VIS/ExtraMeetings|Extraordinary meetings]] ||  ||  ||  ||

||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Suspensions''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Mechanics''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Sensors''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Actuators/Motors'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Other subsystem interfaces''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Control'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Apps''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Links''' ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeA|Type-A]] || [[KAGRA/Subgroups/VIS/Mechanics/Pre-Isolator|Pre-Isolator]] || [[KAGRA/Subgroups/VIS/Sensors/Geophone|Geophone]] || [[KAGRA/Subgroups/VIS/Actuators/VoiceCoilActuator|Voice coil actuator]] || [[KAGRA/Subgroups/VIS/AELInterfaces|AEL interfaces]] || [[KAGRA/Subgroups/VIS/Control/General|General concept]] || [[KAGRA/Subgroups/VIS/Apps/SUMCON|SUMCON]] || LIGO [[https://awiki.ligo-wa.caltech.edu/wiki/Seismic_Isolation| SEI]], [[https://awiki.ligo-wa.caltech.edu/wiki/Suspensions|SUS]] ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeB|Type-B]] ||├ [[KAGRA/Subgroups/VIS/Mechanics/IP|Inverted pendulum (IP)]] || [[KAGRA/Subgroups/VIS/Sensors/Accelerometer|Accelerometer]] || Solenoid actuator? || [[KAGRA/Subgroups/VIS/DGSInterfaces|DGS interfaces]] || - ||  [[KAGRA/Subgroups/VIS/Apps/ModelPlotter|ModelPlotter]] || [[https://alog.ligo-la.caltech.edu/SEI/index.php?content=1| SEI log]], [[https://alog.ligo-wa.caltech.edu/aLOG/index.php?content=1|LHO log]], [[https://alog.ligo-la.caltech.edu/aLOG/|LLO log]], [[https://logbook.virgo-gw.eu/virgo/|Virgo log]] ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]] ||└ [[KAGRA/Subgroups/VIS/Mechanics/TopGAS|Top GAS filter]] || [[KAGRA/Subgroups/VIS/Sensors/LVDT|LVDT]] || [[KAGRA/Subgroups/VIS/Motors/FishingRod|Fishing rod]] || - || - || - || ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/Type-C|Type-C]] || [[KAGRA/Subgroups/VIS/Mechanics/StandardGAS|Standard GAS filter (SF)]] ||└ [[KAGRA/Subgroups/VIS/Sensors/BFLVDT|BF LVDT]] ||└ [[KAGRA/Subgroups/VIS/Motors/StepperMotor|Stepper motor]] || - || - || - || ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeA|Type-A]] || [[KAGRA/Subgroups/VIS/Mechanics/BottomGAS|Bottom GAS filter (BF)]] ||<-2 style="text-align:center;"> [[KAGRA/Subgroups/VIS/Sensors/OSEM|OSEM]] || - || - || - || ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TMS-VIS|TMS-VIS]] || [[KAGRA/Subgroups/VIS/Mechanics/MagneticDamper|Magnetic damper]] || [[KAGRA/Subgroups/VIS/Sensors/PhotoReflSensor|Photo-reflective sensor]] || [[KAGRA/Subgroups/VIS/Motors/Picomotor|Picomotor]] || - || - || - || ||
|| ---|| [[KAGRA/Subgroups/VIS/Mechanics/MaragingWire|Maraging wire]] || [[KAGRA/Subgroups/VIS/Sensors/OpLev|Optical Lever (OpLev)]] || - || - || - || - || ||

----
== VIS Upgrades ==

[[KAGRA/Subgroups/VIS/Upgrade|Upgrade Page]]

----
== Instruments ==

=== Suspension types ===

[[KAGRA/Subgroups/VIS/TypeA|Type-A]]

[[KAGRA/Subgroups/VIS/TypeB|Type-B]]

[[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]]

[[KAGRA/Subgroups/VIS/Type-C|Type-C]]

[[KAGRA/Subgroups/VIS/Payload|Payload]]

[[KAGRA/Subgroups/VIS/ActuatorDesign|Actuator design summary]]

[[KAGRA/Subgroups/VIS/ChangeLog|Design Change Logs]]
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-<<TableOfContents(3)>>
+=== Real-time front-end model ===
 . ''See also:'' [[KAGRA/Subgroups/VIS|Real-time model development]]
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+Line 49:
-== Vibration Isolation ==
 . Chief： R. Takahashi(ICRR)
 . Member： T. Uchiyama(ICRR)、R. De''''''Salvo(Univ. of Sannio)、H. Ishizaki(NAOJ)、A. Takamori(ERI)、E. Majorana(INFN)、T. Sekiguchi(ICRR)
-Line 10:
+Line 50:
-=== The 2nd EVO Meeting ===
 . 23 March 21:00
 . [[attachment:LCGT/subgroup/vis/report110323.doc|Status report by De''''''Salvo]]
+----
== Apps ==
-Line 14:
+Line 53:
-=== The 1st EVO Meeting ===
 . 16 March 21:00
 . [[attachment:LCGT/subgroup/vis/Tower-a.pdf|Design for Type-A system]]
 . [[attachment:LCGT/subgroup/vis/filter-chain.pdf|Detail of filter's chain]]
-Line 19:
+Line 54:
-=== 第6回LCGT防振系作業部会 ===
 . 11月12日(木) 15:00-16:30 天文台輪講室
 . [[attachment:LCGT/subgroup/vis/Modeling6.ppt|Model vs. Measurement in TAMA-SAS]]
 . [[attachment:LCGT/subgroup/vis/chamber-AB.pdf|Design of Type-A,B chamber (rev.)]]
+----
== Installation ==
 . [[KAGRA/Subgroups/VIS/IstManual|Installation Procedure]]
 . [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc. Installation Work Information]]
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-=== 第5回LCGT防振系作業部会 ===
 . --(10月8日(木) 15:00-16:30 天文台輪講室)--
 . 10月15日(木) 13:00-14:30 天文台大会議室 ([[attachment:LCGT/subgroup/vis/minutes5.pdf|議事録]])
 . [[attachment:LCGT/subgroup/vis/Modeling5.ppt|LCGT-SAS Modeling 5 (Type-B,C)]]
 . [[attachment:LCGT/subgroup/vis/chamber-A.pdf|Design of Type-A chamber]]
+ . [[KAGRA/Subgroups/VIS/iKAGRAbKAGRA|Tasks from iKAGRA to bKAGRA]]
----
== Real Time Model Development ==
 . [[KAGRA/Subgroups/VIS/RealTimeModel|Real-time Model Development]]
----
== Operation ==
 . [[KAGRA/Subgroups/VIS/OpsManual|Operation Manual]]
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-=== LCGT防振系作業部会ブレーンストーミング ===
 . 10月1日(木) 13:00-15:00 東京大学理学部１号館445号室 ([[attachment:LCGT/subgroup/vis/minutes-b.pdf|議事録]])
 . [[attachment:LCGT/subgroup/vis/brest.pdf|メモ]]
+----
== VIS Introductioon ==
 . [[KAGRA/Subgroups/VIS/Introduction|Introduction materials for VIS]]
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+Line 71:
-=== 第4回LCGT防振系作業部会 ===
 . 9月3日(木) 15:00-16:30 天文台輪講室 ([[attachment:LCGT/subgroup/vis/minutes4.pdf|議事録]])
 . [[attachment:LCGT/subgroup/vis/Modeling3.ppt|LCGT-SAS Modeling 3 (Gain boost)]]
 . [[attachment:LCGT/subgroup/vis/Modeling4.pdf|LCGT-SAS Modeling 4 (Vertical, Pitch)]]
 . [[attachment:LCGT/subgroup/vis/ICDsas2.doc|ICD update]] ([[attachment:ICDsas2.pdf|PDF]])
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+Line 72:
-=== 第3回LCGT防振系作業部会 ===
 . 8月6日(木) 15:00-16:30 天文台輪講室 ([[attachment:LCGT/subgroup/vis/minutes3.pdf|議事録]])
 . [[attachment:LCGT/subgroup/vis/Modeling2.ppt|LCGT-SAS Modeling 2]]
 . [[attachment:LCGT/subgroup/vis/RandD2.pdf|低温懸架のR&Dについて]]
+----
== VIS Commissioning ==
 . [[KAGRA/Subgroups/VIS/Type-A/Commissioning|Type-A Commissioning]]
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+Line 76:
-=== 第2回LCGT防振系作業部会 ===
 . 7月16日(木) 15:00-16:30 天文台輪講室 ([[attachment:LCGT/subgroup/vis/minutes2.pdf|議事録]])
 . [[attachment:LCGT/subgroup/vis/Modeling1.ppt|LCGT-SAS Modeling]]
 . [[attachment:LCGT/subgroup/vis/RandD.pdf|LCGT-SASのR&Dについて]]
-Line 50:
+Line 77:
-=== 第1回LCGT防振系作業部会 ===
 . 6月3日(水) 17:00-19:00 天文台輪講室 ([[attachment:LCGT/subgroup/vis/minutes1.pdf|議事録]])
 . [[attachment:LCGT/subgroup/vis/agenda1.pdf|作業班、スケジュール]]
 . [[attachment:LCGT/subgroup/vis/ICDsas.doc|ICD]] ([[attachment:ICDsas.pdf|PDF]])
 . [[attachment:LCGT/subgroup/vis/LCGT-SAS2.pdf|常温-低温接続部]]
 . R&Dについて (次回)
-Line 57:
+Line 78:
-=== TAMA SAS の問題点 ===
 . [[attachment:LCGT/subgroup/vis/Report2009.ppt|Evaluation of TAMA-SAS for LCGT]]
 . [[attachment:tama_sas.pdf|Drawings of TAMA SAS]]
 . [[LCGT/subgroup/vis/tama_sas|Item list to be improved]]
+----
== Archives ==
 . [[KAGRA/Subgroups/VIS/Photos|Photos]]
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-=== TAMA Double Pendulum の問題点 ===
 . [[LCGT/subgroup/vis/tama_double|Item list to be improved]]
+----
== Old Weekly EVO Meeting ==
 . This meeting is suspended.
-Line 65:
+Line 86:
-=== Seismic spectrum in Kamioka mine ===
 . [[attachment:LCGT/subgroup/ifo/SPI/HeatLink/0702seis_Araya.zip|In loud day]] (This data should be used as nominal ground motion in Kamioka)
 . [[attachment:CLIO/NoiseBudgets/seismic/cryo_seismic.txt|In cryostat]]
+[[KAGRA/Subgroups/VIS/OldVISMeetings|Past minutes]]
-Line 69:
+Line 88:
-=== LCGT-SAS model ===
 . Transfer function X0~X7/Xg --([[attachment:LCGT/subgroup/vis/model_trf.txt|(old)]])--
 . Modeling M-file --([[attachment:LCGT/subgroup/vis/model_mfile.zip|(2009/8/15)]])--[[attachment:LCGT/subgroup/vis/model_mfile2.zip|(2009/8/17)]]
 . Spectrum of displacement --([[attachment:LCGT/subgroup/vis/model_disp.zip|(2009/8/15)]])--[[attachment:LCGT/subgroup/vis/model_disp2.zip|(2009/8/17)]]
+== Subgroup ==
-Line 74:
+Line 90:
-==== Finite Element Analysis ====
[[LCGT/subgroup/vis/FEM|FEM Page]]
+=== Members ===

 * Chief: R. Takahashi
 * Member： N. Ohishi, H. Ishizaki, F. E. Pena Arellano, M. Barton, N. Hirata, R. Flaminio, Y. Aso, T. Akutsu , E. Tapia (NAOJ),
 T. Sekiguchi, K. Yamamoto, T. Uchiyama (ICRR), R. DeSalvo (Univ. of Sannio), E. Majorana (INFN Rome), J. van den Brand, E. Hennes, A. Bertolini, J. van Heijningen, K. Agatsuma (NIKHEF)

=== Communication info ===

 * Mailing list: [kagra-seis]

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