Diff for "KAGRA/Subgroups/VIS/TypeA"

Differences between revisions 105 and 106

Information of the Type-A Seismic Attenuation System (SAS). This page wants information about not only room-temperature parts but also cryogenic vibration isolation system.

Contents

Drawings
1. Room-temperature parts
2. Cryogenics
Documents
Electronics
Members of Type-A Team
Schedule
Meeting
See also

Drawings

Type-A SAS whole assy
Vacuum chamber
- Vertical (IXV, EXV, IYV, EYV)
- Cryostat

Room-temperature parts

Earthquake stop - Security frame
Pre-Isolator
Magnetic Damper (MD)
Standard Filter (SF)
Bottom Filter (BF)
- BF LVDT and Attachments
Fishing rod
Maraging wire
Dummy Payload
Hoist's tools

Cryogenics

Cryo-Payload assy
Platform (PF)
Marionette (MT)
Marionette Recoil Mass
Intermediate Mass (IM)
Intermediate Recoil Mass
Test Mass (TM) - Sapphire Mirror
Recoil Mass
Heat link
- Heat link suspension

Documents

Reports

Requirements for Type-A SAS

Installation Procedure

Measurement and Analysis

Type-A Control Simulation
- Parameters for simulation
  - Shared with Google spread sheet (Browsing and commenting are permitted. Please contact to Okutomi for editing permission.)
[2016.08.15] Measurements of Standard Filter
- Data of weight, optimal load, GAS resonant frequency, keystone height
- Combination of the standard filters for Type-A with ID
  - Heavy set: 3-2(F1), 2-2(F2), 1-4(F3)
  - Light set: 3-3(F1), 2-1(F2), 1-3(F3)
[2016.09.30] Measurements of BF LVDT Prototype

Electronics

List of drivers for VIS

LVDT
- LVDT Driver
- LVDT-coil distributor
- LVDT-coil combiner
Accelerometer
- ACC driver
Coil-magnet actuator
- High power coil driver
- Low power coil driver
Optical lever
- QPD board
Stepper motor
- Stepper motor driver
Picomotor
- Picomotor driver
Cabling

Members of Type-A Team

Ryutaro TAKAHASHI (Leader)
Hideharu ISHIZAKI
Naohisa SATO
Koki OKUTOMI

Schedule

Task list

Meeting

NAOJ VIS Meeting Minutes
Type-A team meeting Minutes

-  ⇤ ← Revision 105 as of 2016-11-11 13:38:31 → 
  Size: 4803
  Editor: KokiOkutomi
  Comment:
+   ← Revision 106 as of 2016-11-11 13:53:38 → ⇥
  Size: 4849
  Editor: KokiOkutomi
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 19:
-  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5636|Top Filter]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5637|Inverted Pendulum]]
+  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5636|Top Filter (TF)]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5637|Inverted Pendulum (IP)]]
 Line 23:
- * Magnetic Damper
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter]]
 * Bottom Filter
+ * Magnetic Damper (MD)
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter (SF)]]
 * Bottom Filter (BF)
 Line 34:
- * Platform
 * Marionette
+ * Platform (PF)
 * Marionette (MT)
 Line 37:
- * Intermediate Mass
+ * Intermediate Mass (IM)
 Line 39:
- * Sapphire Mirror (Test Mass)
+ * Test Mass (TM) - Sapphire Mirror