Differences between revisions 199 and 390 (spanning 191 versions)

Vibration Isolation System (VIS)

Requirements

VIS subgroup guarantee the following items;

Isolation performance: Does not contaminate the design sensitivity
Stability: Keep the above performance in anytime
Operability: Recover the all VIS system automatically

Detail descriptions are written in here: JGW-E2011930

Design	Suspensions	Mechanics	Sensors	Actuators/Motors	Digital System	Control
Concept?	Type-A	Pre-Isolator	Inertial Sensor	Voice coil actuator	RTModel	General concept
Actuator Design	Type-B	GAS	LVDT	Solenoid actuator?	Guardian	---
-	Type-Bp	Magnetic damper	Photo Sensor	Picomotor	SDF	-
-	Type-C	Maraging wire	Optical Lever (OpLev)	Stepper Motor	-	-
-	TMS-VIS	-	-	Fishing Rods	-	-
-	-	-	OSEM		-	-
-	-	-	Temp. Control			-

Meetings	Management	Other subsystem interfaces	For Users	VIS Apps
Weekly VIS meeting	Schedule	AEL interfaces	Bug Reports	SUMCON
Extraordinary meetings	Github Projects	DGS interfaces	Trouble Shooting	ModelPlotter
Old VISMeeting				AutoMeasurement
---	---	---	---	SuspensionControlModeling
---	---	---	---	Kontrol

Links, Misic.	Documents
Wiki SEI, SUS	VIS Introduction
Log SEI, LHO, LLO, Virgo	VIS Doc. Tree
Photos

Old (Please arrange me)

$/!\$ [April 28. 2020] Miyo is cleaning up the VIS wiki pages. Progress is posted here.

-  ⇤ ← Revision 199 as of 2020-02-28 12:38:27 → 
  Size: 3635
  Editor: KokiOkutomi
  Comment:
+   ← Revision 390 as of 2020-09-07 10:53:30 → ⇥
  Size: 5388
  Editor: KousekiMiyo
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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-= VIS =
+= Vibration Isolation System (VIS) =
== Requirements ==
VIS subgroup guarantee the following items;
 1. '''Isolation performance''': Does not contaminate the design sensitivity
 2. '''Stability''': Keep the above performance in anytime
 3. '''Operability''': Recover the all VIS system automatically
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-'''V'''ibration '''I'''solation '''S'''ystem is the hardware infrastructure for the main optics in the KAGRA interferometer.
+Detail descriptions are written in here: [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11930|JGW-E2011930]]
-----
||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Design''' ||<#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;"> '''Digital System'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Control'''||
|| Concept? ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeA|Type-A]] || [[KAGRA/Subgroups/VIS/Mechanics/Pre-Isolator|Pre-Isolator]] || [[KAGRA/Subgroups/VIS/Sensors/InertialSensor|Inertial Sensor]] || [[KAGRA/Subgroups/VIS/Actuators/VoiceCoilActuator|Voice coil actuator]] || [[KAGRA/Subgroups/VIS/RealTimeModel|RTModel]] || [[KAGRA/Subgroups/VIS/Control/General|General concept]] ||
|| [[KAGRA/Subgroups/VIS/ActuatorDesign|Actuator Design]] ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeB|Type-B]] || [[KAGRA/Subgroups/VIS/Mechanics/GAS|GAS]] || [[KAGRA/Subgroups/VIS/Sensors/LVDT|LVDT]] || Solenoid actuator? || [[KAGRA/Subgroups/VIS/Guardian|Guardian]] || --- ||
|| - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]] || [[KAGRA/Subgroups/VIS/Mechanics/MagneticDamper|Magnetic damper]] ||[[KAGRA/Subgroups/VIS/Sensors/PhotoSensor|Photo Sensor]] || [[KAGRA/Subgroups/VIS/OpsManual/Pico|Picomotor]] || [[KAGRA/Subgroups/VIS/OpsManual/SDF|SDF]] || - ||
|| - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/Type-C|Type-C]] || [[KAGRA/Subgroups/VIS/Mechanics/MaragingWire|Maraging wire]] || [[KAGRA/Subgroups/VIS/Sensors/OpLev|Optical Lever (OpLev)]] || [[KAGRA/Subgroups/DGS/Projects/StepperMotor|Stepper Motor]] || - || - ||
|| - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TMS-VIS|TMS-VIS]]  || - || - || [[KAGRA/Subgroups/VIS/OpsManual/FishingRods|Fishing Rods]] || - || - ||
|| - || - || - ||<-2 style="text-align:center;"> [[KAGRA/Subgroups/VIS/Sensors/OSEM|OSEM]] || - || - ||
|| - || - || - ||<-3 style="text-align:center;"> [[KAGRA/Subgroups/VIS/TempControl|Temp. Control]] || - ||
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-<<TableOfContents(3)>>
+||<#a31f52 style="color:#ffffff; text-align:center;"> '''Meetings'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Management'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Other subsystem interfaces''' ||<#a31f52 style="color:#ffffff; text-align:center;"> '''For Users'''||<#a31f52  style="color:#ffffff; text-align:center;"> '''VIS Apps''' ||
||[[KAGRA/Subgroups/VIS/MeetingNAOJ|Weekly VIS meeting]] || [[KAGRA/Subgroups/VIS/Schedule|Schedule]]|| [[KAGRA/Subgroups/VIS/AELInterfaces|AEL interfaces]] ||[[KAGRA/Subgroups/VIS/BugReports|Bug Reports]] ||[[KAGRA/Subgroups/VIS/OpsManual/SUMCON|SUMCON]]||
||[[KAGRA/Subgroups/VIS/ExtraMeetings|Extraordinary meetings]] || [[https://github.com/orgs/gw-vis/projects|Github Projects]]|| [[KAGRA/Subgroups/VIS/DGSInterfaces|DGS interfaces]]   || [[KAGRA/Subgroups/VIS/TroubleShooting|Trouble Shooting]] || [[KAGRA/Subgroups/VIS/ModelPlotter|ModelPlotter]] ||
||[[KAGRA/Subgroups/VIS/OldVISMeetings|Old VISMeeting]] || || || || [[KAGRA/Subgroups/VIS/OpsManual/AutoMeasurement|AutoMeasurement]] ||
|| --- || --- || --- || --- || [[KAGRA/Subgroups/VIS/OpsManual/SuspensionControlModeling|SuspensionControlModeling]] ||
|| --- || --- || --- || --- || [[KAGRA/Subgroups/VIS/Kontrol|Kontrol]] ||
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-== Space for VIS-internal use ==
+||<#808080 style="color:#ffffff; text-align:center;"> '''Links, Misic.''' ||<#808080 style="color:#ffffff; text-align:center;"> '''Documents''' ||
||Wiki [[https://awiki.ligo-wa.caltech.edu/wiki/Seismic_Isolation| SEI]], [[https://awiki.ligo-wa.caltech.edu/wiki/Suspensions|SUS]] ||  [[KAGRA/Subgroups/VIS/Introduction|VIS Introduction]]  ||
||Log [[https://alog.ligo-la.caltech.edu/SEI/index.php?content=1| SEI]], [[https://alog.ligo-wa.caltech.edu/aLOG/index.php?content=1|LHO]], [[https://alog.ligo-la.caltech.edu/aLOG/|LLO]], [[https://logbook.virgo-gw.eu/virgo/|Virgo]] || [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4005|VIS Doc. Tree]]　||
|| [[KAGRA/Subgroups/VIS/Photos|Photos]] || ||
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-=== Quick announcement ===
+-----
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+Line 35:
-=== Frequently used links ===
 * '''VIS meeting''': From 14:00 (JST) on every Friday - [[KAGRA/Subgroups/VIS/MeetingNAOJ|Meeting Page]]
+=== Old (Please arrange me) ===
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+Line 37:
-----
== VIS Upgrades ==
+ * [[KAGRA/Subgroups/VIS/IstManual|Procedure]]
 * [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc.]]
 * [[KAGRA/Subgroups/VIS/Acceptance Test|Acceptance Test]]
 * [[KAGRA/Subgroups/VIS/OpsManual|Manual]]
 * [[KAGRA/Subgroups/VIS/Upgrade|Upgrade]]
 * [[KAGRA/Subgroups/VIS/OpsManual/HealthCheck|HealthCheck]]
 * [[KAGRA/Subgroups/VIS/OpsManual/TypeA|OpsManual-TypeA|]]
 * [[KAGRA/Subgroups/VIS/OpsManual/TypeB|OpsManual-TypeB|]]
 * [[KAGRA/Subgroups/VIS/OpsManual/TypeBp|OpsManual-TypeBp|]]
 * [[KAGRA/Subgroups/VIS/OpsManual/TypeC|OpsManual-TypeC|]]
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+Line 48:
-[[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]]

=== Suspended optics ===

The optics in the KAGRA interferometer is often called their acronyms/abbreviations. Please mind also that we call the vacuum chambers or clean booths in a similar manner.

 * Arm cavity
  * ETMX
  * ETMY
  * ITMX
  * ITMY
 * Beam splitter (BS)
 * Signal recycling cavity
  * SRM
  * SR2
  * SR3
 * Power recycling cavity
  * PRM
  * PR2
  * PR3
 * Input optics
  * IMC
  * IMMT1
  * IMMT2
 * Output optics
  * OMMT1
  * OMMT2
  * OSTM
  * OMC
 * Auxiliary optics
  * TMSX
  * TMSY

=== Mechanics ===

==== Tower ====
 * Pre-isolator
  * Inverted Pendulum (IP)
  * Top GAS Filter (TF<<FootNote(This abbreviation should be avoided because it often refers to rather Transfer Function.)>>)
 * Standard GAS Filter (SF)
 * Bottom GAS Filter (BF)
 * Magnetic damper

==== Payload ====
 * Cryogenic payload (CRYp): The bottom 4 stages in Type-A suspension, branch recoil-mass chain
  * Platform (PF)
  * Marionette (MN)
  * Intermediate Mass (IM)
  * Test Mass (TM)
 * Room-temperature payload: The bottom 2 stages in Type-B and Type-Bp suspension, parallel recoil-mass chain
  * Intermediate Mass (IM)
  * Test Mass (TM)

=== Sensors, actuators, and motors ===

 * LVDT - Linear Variable Differential Transducer/Transformer, displacement sensor
  * [''Derivative''] Bottom-filter LVDT (BF LVDT)
 * Geophone - inertial velocity sensor
 * Accelerometer - 
 * Voice coil actuator

----
== Installation ==
 . [[KAGRA/Subgroups/VIS/IstManual|Installation Procedure]]
 . [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc. Installation Work Information]]

 . [[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]]

----
== VIS Introductioon ==
 . [[KAGRA/Subgroups/VIS/Introduction|Introduction materials for VIS]]


----
== VIS Commissioning ==
 . [[KAGRA/Subgroups/VIS/Type-A/Commissioning|Type-A Commissioning]]



----
== 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]

<<Navigation(children)>>
+-----
/!\ [April 28. 2020] Miyo is cleaning up the VIS wiki pages. Progress is posted [[https://github.com/gw-vis/kagra-vis/issues/18|here]].