Vibration Isolation

• 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)

Weekly EVO Meeting

• Every Wednesday, 21:00(JST)

The 18th (27 July, 2011)

• Design of Type-B payload by Riccardo

The 17th (20 July, 2011)

The 16th (13 July, 2011)

• SR2-PR2 recoil mass by Riccardo

• Angular fluctuation of TM by Takanori

The 15th (6 July, 2011)

• Type-B payload model by Sekiguchi

The 14th (29 June, 2011)

• Kapton Wire by Sekiguchi

The 13th (22 June, 2011)

• Kapton Wire by Ishizaki

The 12th (15 June, 2011)

The 11th (8 June, 2011)

• Minute

The 10th (1 June, 2011)

• Mode damping study by Takanori

The 9th (25 May, 2011)

The 8th (18 May, 2011)

• Magic wands by Takanori

• Heavier test mass by Ettore and Takanori

The 7th (11 May, 2011)

• Report by Takanori

The 6th (27 April, 2011)

• Payload dimensions by Riccardo

The 5th (20 April, 2011)

• Parameter Configuration by Ettore

(11 April, 2011)

• Parameter Configuration by Ettore

The 4th (6 April, 2011)

• Simulation by Ettore

• Installation sequence by Riccardo

The 3rd (30 March, 2011)

• Coordinate system by Ryutaro

• Simulation by Takanori

The 2nd (23 March, 2011)

• Comments by Riccardo

• Status report by Riccardo

• Simulation by Ettore

The 1st (16 March, 2011)

• Design for Type-A system

• Detail of filter's chain

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

• Model vs. Measurement in TAMA-SAS

• Design of Type-A,B chamber (rev.)

第5回

• 10月15日(木) 13:00-14:30 天文台大会議室 (議事録)

• LCGT-SAS Modeling 5 (Type-B,C)

• 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 (議事録)

• メモ

第4回

• 9月3日(木) 15:00-16:30 天文台輪講室 (議事録)

• LCGT-SAS Modeling 3 (Gain boost)

• LCGT-SAS Modeling 4 (Vertical, Pitch)

• ICD update (PDF)

第3回

• 8月6日(木) 15:00-16:30 天文台輪講室 (議事録)

• LCGT-SAS Modeling 2

• 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 (議事録)

• LCGT-SAS Modeling

• 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 (議事録)

• 作業班、スケジュール

• ICD (PDF)

• 常温-低温接続部

• R&Dについて (次回)

Archive

TAMA SAS

• Evaluation of TAMA-SAS for LCGT

• Drawings of TAMA SAS

• Item list to be improved

TAMA Double Pendulum

• Item list to be improved

Seismic spectrum in Kamioka mine

• In loud day (This data should be used as nominal ground motion in Kamioka)

• In cryostat

LCGT-SAS model

• Transfer function X0~X7/Xg (old)

• Modeling M-file (2009/8/15)(2009/8/17)

• Spectrum of displacement (2009/8/15)(2009/8/17)

Finite Element Analysis

• FEM Page

Rigid-Body Models

• Simulation Page