Differences between revisions 56 and 272 (spanning 216 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

Tall suspensions	Type-A				Type-B				Type-Bp
Tall suspensions	ETMX	ETMY	ITMX	ITMY	BS	SRM	SR2	SR3	PRM	PR2	PR3

Short suspensions	Type-C								TMS-VIS
Short suspensions	MCE	MCI	MCO	IMMT1	IMMT2	OMMT1	OMMT2	OSTM	TMSX	TMSY

Mechanics	Sensors	Actuators/Motors	Other subsystem interfaces	Control	Apps
Pre-Isolator	Geophone	Voice coil actuator	AEL interfaces	General concept	SUMCON
├ Inverted pendulum (IP)	Accelerometer		DGS interfaces	-	ModelPlotter
└ Top GAS filter	LVDT	-	-	-	-
Standard GAS filter (SF)	└ BF LVDT	-	-	-	-
Bottom GAS filter (BF)	OSEM		-	-	-
Magnetic damper	-	-	-	-	-
Maraging wire	-	-	-	-	-

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 56 as of 2009-09-30 14:46:30 → 
  Size: 2800
  Editor: RyutaroTakahashi
  Comment:
+   ← Revision 272 as of 2020-03-11 16:03:53 → ⇥
  Size: 5793
  Editor: KokiOkutomi
  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 |2 style="color:#ffffff; text-align:center;"> '''Tall suspensions''' ||<:-4 style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeA|Type-A]] ||<:-4 style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeB|Type-B]] ||<:-3 style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]] ||
|| [[KAGRA/Subgroups/VIS/Optics/ETMX|ETMX]] || [[KAGRA/Subgroups/VIS/Optics/ETMY|ETMY]] || [[KAGRA/Subgroups/VIS/Optics/ITMX|ITMX]] || [[KAGRA/Subgroups/VIS/Optics/ITMY|ITMY]] || [[KAGRA/Subgroups/VIS/Optics/BS|BS]] || [[KAGRA/Subgroups/VIS/Optics/SRM|SRM]] || [[KAGRA/Subgroups/VIS/Optics/SR2|SR2]] ||[[KAGRA/Subgroups/VIS/Optics/SR3|SR3]] || [[KAGRA/Subgroups/VIS/Optics/PRM|PRM]] || [[KAGRA/Subgroups/VIS/Optics/PR2|PR2]] || [[KAGRA/Subgroups/VIS/Optics/PR3|PR3]] ||
||<:-11> ||
||<#1e50a2 |2 style="color:#ffffff; text-align:center;"> '''Short suspensions''' ||<:-8 style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/Type-C|Type-C]]||<:-2 style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TMS-VIS|TMS-VIS]] ||
|| [[KAGRA/Subgroups/VIS/Optics/MCE|MCE]] || [[KAGRA/Subgroups/VIS/Optics/MCI|MCI]] || [[KAGRA/Subgroups/VIS/Optics/MCO|MCO]] || [[KAGRA/Subgroups/VIS/Optics/IMMT1|IMMT1]] || [[KAGRA/Subgroups/VIS/Optics/IMMT2|IMMT2]] || [[KAGRA/Subgroups/VIS/Optics/OMMT1|OMMT1]] || [[KAGRA/Subgroups/VIS/Optics/OMMT2|OMMT2]] || [[KAGRA/Subgroups/VIS/Optics/OSTM|OSTM]] || [[KAGRA/Subgroups/VIS/Optics/TMSX|TMSX]] || [[KAGRA/Subgroups/VIS/Optics/TMSY|TMSY]] ||

||<#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''' ||
|| [[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]] ||
||├ [[KAGRA/Subgroups/VIS/Mechanics/IP|Inverted pendulum (IP)]] || [[KAGRA/Subgroups/VIS/Sensors/Accelerometer|Accelerometer]] ||  || [[KAGRA/Subgroups/VIS/DGSInterfaces|DGS interfaces]] || - || [[KAGRA/Subgroups/VIS/Apps/ModelPlotter|ModelPlotter]] ||
||└ [[KAGRA/Subgroups/VIS/Mechanics/TopGAS|Top GAS filter]] || [[KAGRA/Subgroups/VIS/Sensors/LVDT|LVDT]] || - || - || - || - ||
|| [[KAGRA/Subgroups/VIS/Mechanics/StandardGAS|Standard GAS filter (SF)]] ||└ [[KAGRA/Subgroups/VIS/Sensors/BFLVDT|BF LVDT]] || - || - || - || - ||
|| [[KAGRA/Subgroups/VIS/Mechanics/BottomGAS|Bottom GAS filter (BF)]] ||<-2 style="text-align:center;"> [[KAGRA/Subgroups/VIS/Sensors/OSEM|OSEM]] || - || - || - ||
|| [[KAGRA/Subgroups/VIS/Mechanics/MagneticDamper|Magnetic damper]] || - || - || - || - || - ||
|| [[KAGRA/Subgroups/VIS/Mechanics/MaragingWire|Maraging wire]] || - || - || - || - || - ||

----
== 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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+Line 52:
-<<TableOfContents(3)>>
+=== Real-time front-end model ===
 . ''See also:'' [[KAGRA/Subgroups/VIS|Real-time model development]]
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+Line 55:
-== 防振系 ==
 . 常温防振＋ヒートリンク＋低温懸架
 . リーダー： 高橋竜太郎 (NAOJ)
 . サブリーダー： 内山隆 (ICRR)、三代木伸二 (ICRR)
-Line 11:
+Line 56:
-=== 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/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]])
+----
== Apps ==
-Line 17:
+Line 59:
-=== 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]]
-Line 22:
+Line 60:
-=== 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]]
+----
== Installation ==
 . [[KAGRA/Subgroups/VIS/IstManual|Installation Procedure]]
 . [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc. Installation Work Information]]
-Line 27:
+Line 65:
-=== 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)
+ . [[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]]
-Line 34:
+Line 73:
-=== TAMA SAS の問題点 ===
 . [[attachment:tama_sas.pdf|Drawings of TAMA SAS]]
 . [[LCGT/subgroup/vis/tama_sas|Item list to be improved]]
+----
== VIS Introductioon ==
 . [[KAGRA/Subgroups/VIS/Introduction|Introduction materials for VIS]]
-Line 38:
+Line 77:
-=== TAMA Double Pendulum の問題点 ===
 . [[LCGT/subgroup/vis/tama_double|Item list to be improved]]
-Line 41:
+Line 78:
-=== 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]]
+----
== VIS Commissioning ==
 . [[KAGRA/Subgroups/VIS/Type-A/Commissioning|Type-A Commissioning]]
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+Line 82:
-=== 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)]]
+----
== Archives ==
 . [[KAGRA/Subgroups/VIS/Photos|Photos]]

----
== Old Weekly EVO Meeting ==
 . This meeting is suspended.

[[KAGRA/Subgroups/VIS/OldVISMeetings|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]

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