Diff for "KAGRA/Subgroups/VIS/TypeA"

Differences between revisions 19 and 86 (spanning 67 versions)

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

Cryogenics

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

Documents

Reports

Requirements for Type-A SAS

Installation Procedure

Measurement and Analysis

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
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

Type-A team meeting Minutes

-  ⇤ ← Revision 19 as of 2016-07-13 13:20:12 → 
  Size: 6543
  Editor: RyutaroTakahashi
  Comment:
+   ← Revision 86 as of 2016-10-31 20:13:28 → ⇥
  Size: 4038
  Editor: KokiOkutomi
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-== Task list ==
[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4792]]
+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.
 Line 4:
-= Type-A Meeting on 2016/7/5 =
2016/7/5 13:00 - 14:00 @Kamioka
+<<TableOfContents(3)>>
-Line 7:
+Line 6:
-Participants: Takahashi, Ishizaki, Sato, Okutomi
+-------
[[TypeAdesign|{{attachment:figTypeAsasNamed1.png||width=25%,align="right"}}]]
 Line 9:
-=== Minutes ===
 0-2 Simulation (Okutomi)
  * The frequency shift might be due to damping model.
  * Matlab model was remade.
  * Sensors and actuators were added to the BF stage.
 1-1 Clean Booth (FCL)
  * The booth will be ready in December.
 2-1 Setting of top chamber (VAC)
  * The schedule was shifted to December.
 2-3 Setting of cross chamber (VAC)
  * From 8th July, presence on 11th.
 3-2 Assembly of TF+IP (Sato)
  * The place should be considered again.
 3-5 ACC preparation (Sato)
  * 5 sets of ACC were measured.
 5-1 Manufacturing of blade (Takahashi)
  * Cutting of 12 blades was finished.
 5-2 Assembly of BF (Hirata)
  * Will be started in September.
 6-3 Test of prototype (Ishizaki)
  * The first setup and its procedure were shown.
  * Thin dummy weight and short hoock should be prepared.
  * Some cap screws on stop plates should be replaced to stop screws.
 6-4 Design of release sensor (Sato)
  * Under cable connection.
 8-1 Design of dummy payload (Okutomi, Ishizaki)
  * Interferometer test was canceld.
  * The EQ stop and the dummy payload should be ordered together in August.
 9-2 Transportation to 2F (Takahashi, Ishizaki)
  * Situation of the Y-end was investigated.
  * Maximum box width, which can go through the tunnel, was 1.5m.
  * Access road from Mozumi entrance was improved.
 9-3 Cable assembly (Sato)
  * Ask CRY number of cables.
+== Drawings ==
-Line 44:
+Line 11:
-Next meeting: 2016/7/12 11:00
+ * Type-A SAS whole assy
 * Vacuum chamber
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0053/T1605385/002/VM5926_KAGRAIXV_Type-A.pdf|Vertical]] (IXV, EXV, IYV, EYV)
  * Cryostat
-Line 46:
+Line 16:
-= Type-A Meeting on 2016/6/28 =
2016/6/28 13:00 - 14:30 @The 4th meeting room
+=== Room-temperature parts ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5460|Earthquake stop - Security flame]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5634|Pre-Isolator]]
  * [[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=5638|F0 LVDT-actuator unit]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5639|Blade spring for static position adjustment]]
 * Magnetic Damper
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter]]
 * Bottom Filter
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5656|BF LVDT and Attachments]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5743|Maraging wire]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5461|Dummy Payload]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5462|Hoist's tools]]
-Line 49:
+Line 31:
-Participants: Takahashi, Ishizaki, Sato, Okutomi
+=== Cryogenics ===
 * Cryo-Payload assy
 * Platform
 * Marionette
 * Marionette Recoil Mass
 * Intermediate Mass
 * Intermediate Recoil Mass
 * Sapphire Mirror (Test Mass)
 * Recoil Mass
 * Heat link
  * Heat link suspension
-Line 51:
+Line 43:
-=== Minutes ===
 0-1 Assembly model (Ishizaki)
  * Made the test setup.
 0-2 Simulation (Okutomi)
  * No progress. The results will be reported in the next VIS meeting.
 1-1 Clean Booth (FCL)
  * Present design: The booth is hung from the ceiling.
 2-3 Setting of cross chamber (VAC)
  * From 8th July, presence on 11th.
 3-5 ACC preparation (Sato)
  * Working space: The 20m lab was arranged on 27th.
 4-3 Standard filter (Hirata)
  * Assembly of FR and measurement: 1 set was finished.
 5-1 Manufacturing of blade (Takahashi)
  * Cutting: 6 blades by July + 6 blades by Sep.
 5-6 Design of damper (Sato)
  * Device: It is difficult to put the devices at the center of suspension point.
 6-1 Design of EQ stop (Ishizaki)
  * Modeling: 3D model for the test setup was built.
 6-3 Test of prototype
  * Frame lock, extension rods, adjusters were delivered.
  * Hoist's tool will be necessary.
  * Test items related to the frame design have high priority. Target date is 22th July.
 6-4 Design of release sensor (Sato)
  * Bases and shims were delivered.
  * Plate additional machining: Delivery on 29th.
  * Circuit: LED box was made. Cabling has not been applied yet.
 8-1 Design of dummy payload (Okutomi, Ishizaki)
  * Cartoon: Okutomi should send to Ishizaki soon!
 9-1 Establishment of procedure (Takahashi, Okutomi)
  * Test plan is made parallel with test work. Check the list of test items.
 9-2 Transportation to 2F (Takahashi, Ishizaki)
  * Situation of the site will be checked in 5-7th July.
  * Electric crawler is limitted, for example, for 200kg load.
 9-3 Cable assembly (Sato)
  * Number of cables: CRY will decide it by the end of June.
+== Documents ==
=== Reports ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5196|Requirements for Type-A SAS]]
-Line 88:
+Line 47:
-Next meeting: 2016/7/5 13:00
+=== Installation Procedure ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=410|Initial concept]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500|Installation procedure of Type-A system]]
=== Measurement and Analysis ===
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5105|[2016.08.15] Measurements of Standard Filter]]
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5707|[2016.09.30] Measurements of BF LVDT Prototype]]
-Line 90:
+Line 54:
-= Type-A Meeting on 2016/6/21 =
2016/6/21 13:00 - 14:00 by Skype
+== Electronics ==
[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5193|List of drivers for VIS]]
 * LVDT
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2826|LVDT Driver]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2117|LVDT-coil distributor]]
  * LVDT-coil combiner
 * Accelerometer
  * ACC driver
 * Coil-magnet actuator
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3502|High power coil driver]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3506|Low power coil driver]]
 * Stepper motor
  * Stepper motor driver
 * Picomotor
  * Picomotor driver
 * Cabling
-Line 93:
+Line 71:
-Participants: Takahashi, Ishizaki, Sato
+-----
== Members of Type-A Team ==
 . Ryutaro TAKAHASHI (Leader)
 . Hideharu ISHIZAKI
 . Naohisa SATO
 . Koki OKUTOMI
-Line 95:
+Line 78:
-=== Minutes ===
 0-1 Assembly model (Ishizaki)
  * Made the test setup.
 0-2 Simulation (Okutomi)
  * Deadline: The end of June
 2-3 Setting of cross chamber (VAC)
  * Work: From 8th July, presence on 11th.
 3-5 ACC preparation (Sato)
  * Make working space in the 20m lab on 27th June.
 4-3 Standard filter (Hirata)
  * Assembly of FR and measurement: by August for 6 sets.
 4-5 Procurement of magnets (Takahashi)
  * Size: 13mm, 72PSC for each
 5-1 Manufacturing of blade (Takahashi)
  * Cutting: 6 blades by July + 6 blades by Sep.
 5-6 Design of damper (Sato)
  * Device: The last one was too small, actually about 125mm. Design for vertical as well.
 6-1 Design of EQ stop (Ishizaki)
  * Modeling: 3D model for the test setup was build.
 6-3 Test of prototype
  * Frame lock: Delivered by 24th.
  * Other parts (rod, adjuster, bolts) will be ordered.
 6-4 Design of release sensor (Sato)
  * Base: Making in ATC.
  * Plate additional machining: Ordered.
  * Circuit: LED will be tested.
 8-1 Design of dummy payload (Okutomi, Ishizaki)
  * Cartoon: Okutomi should send to Ishizaki soon!
  * Mirror holder: Refer the mirror box for PR.
 9-1 Establishment of procedure (Takahashi, Okutomi)
  * Test plan: Check FR for 2 BFs.
 9-3 Cable assembly
  * Number of cables: Thermocouples are added. Ask Tomaru total number.
+== Schedule ==
[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4792|Task list]]
-Line 129:
+Line 81:
-Next meeting: 2016/6/28 13:00
+== Meeting ==
-Line 131:
+Line 83:
-= Type-A Meeting on 2016/6/14 =
2016/6/14 13:00 - 15:00 @ Room 210
+ * Type-A team meeting  [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/Meeting|Minutes]]
-Line 134:
+Line 85:
-Participants: Takahashi, Ishizaki, Sato, Okutomi

=== Minutes ===
 0-1 Assembly model (Ishizaki)
  * Step: From EQ stop, next with chamber.
 0-2 Simulation (Okutomi)
  * Problem: Conversion to Simulink was ok. The structure of control has a problem in Matlab. Reconstructing now.
 3-5 ACC preparation (Sato)
  * Space: Make working space in the 20m lab.
 5-1 Manufacturing of blade (Takahashi)
  * Design: 5 blades are used for 200kg load.
 5-6 Design of damper (Sato)
  * Device: Asking design of LVDT-Act. to VIRGO. The device is located at the center of mass.
 6-1 Design of EQ stop (Ishizaki)
  * Structure analysis: Two cases were calculated. Share stress was 1/6 of limit, and principal stress was 1/7 of limit respectively in the maximum case.
  * Modeling: Making with consideration of procedure and tools.
  * Frame lock: Maximum stress was 160MPa with thickness of 30mm (limit 180MPa).
 6-4 Design of release sensor (Sato)
  * Position: Inner side of the stage. Need to addtional machining to the EQ stop plate.
  * Electronics: Circuit is simple in the test (handmade).
 8-1 Design of dummy payload (Okutomi, Ishizaki)
  * Condition: 25cm mirror, alignment by moving mass. Make a cartoon.
  * Actuation: Length control is necessary? Check PZT actuator.
 9-1 Establishment of procedure (Takahashi, Okutomi)
  * Test plan: Prepare for 2 sets of release sensors. Check FR for 2 BFs.

Next meeting: 2016/6/21 13:00
+== See also ==
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4005|JGW-E1504005]]: VIS Document and Drawing Tree (Type-A)
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/CRY|KAGRA/Subgroups/CRY]]