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 . Chief： R. Takahashi(ICRR)
 . Member： T. Uchiyama(ICRR), R. DeSalvo(Univ. of Sannio), H. Ishizaki(NAOJ), A. Takamori(ERI), E. Majorana(INFN), T. Sekiguchi(ICRR), K. Yamamoto(ICRR)		  . Chief： R. Takahashi (NAOJ)
 . 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)
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== Weekly EVO Meeting ==
 . Every Wednesday, 21:00(JST)

=== The ??th (19 September, 2012) ===
 . No meeting

=== The ??th (12 September, 2012) ===
 . [[attachment:KAGRAvi_minute_2012Sep12.txt|Minute]]

=== The ??th (5 September, 2012) ===
 . [[attachment:KAGRAvi_minute_2012Sep5|Minute]]

=== The ??th (29 August, 2012) ===
 . [[attachment:KAGRAvi_minute_2012Aug29.txt|Minute]]

=== The ??th (22 August, 2012) ===
 . [[attachment:KAGRAvi_minute_2012Aug22.txt|Minute]]

=== The ??th (15 August, 2012) ===
 . No meeting (summer vacation)

=== The ??th (8 August, 2012) ===
 . [[attachment:KAGRAvi_minute_2012Aug08.txt|Minute]]

=== The ??th (1 September, 2012) ===
 . [[attachment:KAGRAvi_minute_2012Aug01.txt|Minute]]

=== The 24th (28 September, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/modal_0928.pdf|Modal Analysis of Tripod by Takanori]]

=== The 23th (15 September, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/TypeB_sim_0915.pdf|Simulation on TypeB by Takanori]]

=== The 22th (7 September, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/Type-B_system_rycy.pdf|Z-Assembly for RM by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/Type-B_system_bs.pdf|Z-Assembly for BS by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/TypeB_sim_0907.pdf|Simulation on TypeB by Takanori]]

=== The 21th (31 August, 2011) ===
=== The 20th (24 August, 2011) ===
=== The 19th (10 August, 2011) ===
=== The 18th (27 July, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/PayloadB_0727.pdf|Design of Type-B payload by Riccardo]]

=== The 17th (20 July, 2011) ===
=== The 16th (13 July, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/SR2-PR2_0711.pdf|SR2-PR2 recoil mass by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/angle_0713.pdf|Angular fluctuation of TM by Takanori]]

=== The 15th (6 July, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/2type_0701.pdf|Type-B payload model by Sekiguchi]]

=== The 14th (29 June, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/kapton_0627.pdf|Kapton Wire by Sekiguchi]]

=== The 13th (22 June, 2011) ===
 . [[http://tamago.mtk.nao.ac.jp/ishizaki/LCGT/kaptonwire/cable.pdf|Kapton Wire by Ishizaki]]

=== The 12th (15 June, 2011) ===
=== The 11th (8 June, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/minute0608.pdf|Minute]]

=== The 10th (1 June, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/damping0601.pdf|Mode damping study by Takanori]]

=== The 9th (25 May, 2011) ===
=== The 8th (18 May, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/magicwand.png|Magic wands by Takanori]]
 . [[attachment:KAGRA/Subgroups/VIS/Check110512.pdf|Heavier test mass by Ettore and Takanori]]

=== The 7th (11 May, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/rep110511.pdf|Report by Takanori]]

=== The 6th (27 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/dimension110427.docx|Payload dimensions by Riccardo]]

=== The 5th (20 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/3D_model.pdf|Parameter Configuration by Ettore]]

=== (11 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/LCGT_PAY_10-30.pdf|Parameter Configuration by Ettore]]

=== The 4th (6 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/10-30_April06.docx|Simulation by Ettore]]
 . [[attachment:KAGRA/Subgroups/VIS/sequence110406.pdf|Installation sequence by Riccardo]]

=== The 3rd (30 March, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/coordinate110330.pdf|Coordinate system by Ryutaro]]
 . [[attachment:KAGRA/Subgroups/VIS/110330_isasA.pdf|Simulation by Takanori]]

=== The 2nd (23 March, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/memo110323.txt|Comments by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/report110323.doc|Status report by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/sim110323.pptx|Simulation by Ettore]]

=== The 1st (16 March, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/Tower-a.pdf|Design for Type-A system]]
 . [[attachment:KAGRA/Subgroups/VIS/filter-chain.pdf|Detail of filter's chain]]		 == VIS Meeting ==
 . Every Friday, from 13:30 (JST)
 . [[KAGRA/Subgroups/VIS/MeetingNAOJ|Meeting Page]]
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== LCGT防振系作業部会(2009) ==
=== 第6回 ===
 . 11月12日(木) 15:00-16:30 天文台輪講室
 . [[attachment:KAGRA/Subgroups/VIS/Modeling6.ppt|Model vs. Measurement in TAMA-SAS]]
 . [[attachment:KAGRA/Subgroups/VIS/chamber-AB.pdf|Design of Type-A,B chamber (rev.)]]		 == VIS Upgrades ==
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=== 第5回 ===
 . 10月15日(木) 13:00-14:30 天文台大会議室 ([[attachment:KAGRA/Subgroups/VIS/minutes5.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling5.ppt|LCGT-SAS Modeling 5 (Type-B,C)]]
 . [[attachment:KAGRA/Subgroups/VIS/chamber-A.pdf|Design of Type-A chamber]]

=== 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:KAGRA/Subgroups/VIS/minutes-b.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/brest.pdf|メモ]]

=== 第4回 ===
 . 9月3日(木) 15:00-16:30 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes4.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling3.ppt|LCGT-SAS Modeling 3 (Gain boost)]]
 . [[attachment:KAGRA/Subgroups/VIS/Modeling4.pdf|LCGT-SAS Modeling 4 (Vertical, Pitch)]]
 . [[attachment:KAGRA/Subgroups/VIS/ICDsas2.doc|ICD update]] ([[attachment:ICDsas2.pdf|PDF]])

=== 第3回 ===
 . 8月6日(木) 15:00-16:30 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes3.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling2.ppt|LCGT-SAS Modeling 2]]
 . [[attachment:KAGRA/Subgroups/VIS/RandD2.pdf|低温懸架のR&Dについて]]

=== 第2回 ===
 . 7月16日(木) 15:00-16:30 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes2.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling1.ppt|LCGT-SAS Modeling]]
 . [[attachment:KAGRA/Subgroups/VIS/RandD.pdf|LCGT-SASのR&Dについて]]

=== 第1回 ===
 . 6月3日(水) 17:00-19:00 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes1.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/agenda1.pdf|作業班、スケジュール]]
 . [[attachment:KAGRA/Subgroups/VIS/ICDsas.doc|ICD]] ([[attachment:ICDsas.pdf|PDF]])
 . [[attachment:KAGRA/Subgroups/VIS/LCGT-SAS2.pdf|常温-低温接続部]]
 . R&Dについて (次回)		 [[KAGRA/Subgroups/VIS/Upgrade|Upgrade Page]]
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== Archive ==
=== TAMA SAS ===
 . [[attachment:KAGRA/Subgroups/VIS/Report2009.ppt|Evaluation of TAMA-SAS for LCGT]]
 . [[attachment:tama_sas.pdf|Drawings of TAMA SAS]]
 . [[KAGRA/Subgroups/VIS/FEM/tama_sas|Item list to be improved]]		 == Design ==
[[KAGRA/Subgroups/VIS/TypeA|Type-A]]
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=== TAMA Double Pendulum ===
 . [[LCGT/subgroup/vis/tama_double|Item list to be improved]]		 [[KAGRA/Subgroups/VIS/TypeB|Type-B]]
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=== 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/TypeBp|Type-Bp]]
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=== LCGT-SAS model ===
 . Transfer function X0~X7/Xg --([[attachment:KAGRA/Subgroups/VIS/model_trf.txt|(old)]])--
 . Modeling M-file --([[attachment:KAGRA/Subgroups/VIS/model_mfile.zip|(2009/8/15)]])--[[attachment:KAGRA/Subgroups/VIS/model_mfile2.zip|(2009/8/17)]]
 . Spectrum of displacement --([[attachment:KAGRA/Subgroups/VIS/model_disp.zip|(2009/8/15)]])--[[attachment:KAGRA/Subgroups/VIS/model_disp2.zip|(2009/8/17)]]		 [[KAGRA/Subgroups/VIS/Type-C|Type-C]]
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=== Finite Element Analysis ===
 . [[KAGRA/Subgroups/VIS/FEM|FEM Page]]		 [[KAGRA/Subgroups/VIS/Payload|Payload]]
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=== Rigid-Body Models ===
 . [[KAGRA/Subgroups/VIS/Simulation|Simulation Page]]		 [[KAGRA/Subgroups/VIS/ActuatorDesign|Actuator design summary]]

[[KAGRA/Subgroups/VIS/ChangeLog|Design Change Logs]]

----
== 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]]

Contents

  1. Vibration Isolation
  2. VIS Meeting
  3. VIS Upgrades
  4. Design
  5. Installation
  6. Real Time Model Development
  7. Operation
  8. VIS Introductioon
  9. VIS Commissioning
  10. Archives
  11. Old Weekly EVO Meeting

Vibration Isolation

  • Chief： R. Takahashi (NAOJ)
  • 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)

VIS Meeting

VIS Upgrades

Upgrade Page

Design

Type-A

Type-B

Type-Bp

Type-C

Payload

Actuator design summary

Design Change Logs

Installation

Real Time Model Development

Operation

VIS Introductioon

VIS Commissioning

Archives

Old Weekly EVO Meeting

  • This meeting is suspended.

Past minutes

KAGRA/Subgroups/VIS (last edited 2022-02-25 19:10:23 by HirotakaYuzurihara)