Differences between revisions 1 and 76 (spanning 75 versions)

VIS Type B Near Term To-Do List

Every Week

Facilities

Vacuum and roll floor.
Wipe ladders.
Tidy tools, parts.
Get stuff from ../WishList

Coming Weeks 2017-06-26

Facilities

Design/Documentation/Planning

Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian).
Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).

BS Prism/Flag gluing

Push Hirose-san to set exact date.
Organize transport company for Kashiwa->Kamioka
Organize NAOJ vehicle for Mitaka->Kashiwa
- Akabou Yoshihara Delivery Service (赤帽よしはら運送) yoshihara@akabou.ne.jp (吉原様)
Collect all items required.
- Mirror box.
- Prisms.
- Stub flags.
- Magnets: SmCo, 2 mm diameter, 3 mm long
- Prism jigs
- Flag jigs
Glue magnets to flags, 2 N, 2 S.
Organize clean suits.
- Make a list of people's sizes:
  - Mark: LL, 29 cm
  - Fabian: L, 26.5 or 27 cm
  - Hirata: M, 25.5 cm
  - Enzo: L, 27 or 28 cm
- Get ones at Mitaka laundered?
- Get Mark/Enzo to bring from Kamioka?

Main Assembly

Adjust pitch/yaw/vertical of dummy optic.
Crane tank lid on.
Start TFs.

Electronics

Wash extra F-F gender benders.
Fix broken picomotor cable.
Install new LVDT driver and set gains.
Document LVDT driver rebuild and other changes.
Debug all cabling!
Get pico drive screens fixed (Miyo-kun)
Sort out naming convention for PI LVDTs, geophones and horizontal steppers.

BS PI Geo #0 ~ #2 ; BS PI LVDT #0 ~ #2 ; BS PI Stepper #0 ~ #2

LSOL

Assist Simon with hardware installation of LSOL.
Assist Simon with modifications to realtime model for LSOL.

Real-time and SUMCON models

Derive and install PI LVDT matrices.
Check LSOL section of k1visbs model.

Real BS Hang Tasks

Major Tasks

Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
Get final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).
Possible rebuild of BF and/or SF
- Set up build/test stand for filters.
- Get filter test weights.
- Find spare BF blade(s).
Prepare real BS:
- Coordinate with Hirose-san.
- Book transport of mirror (Kashiwa to KAGRA)
- Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs.
- Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san).
- Organize cleanroom gear for Kashiwa trip(s).
- Put magnets in flags.
- Glue flags/prisms at Kashiwa.
Reclean stuff:
- PI (remove Kapton tape etc, etc).
- LLB damper stuff, especially Cu segments.
Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata).
If needed based on previous, order longer threaded rods for arc weights on PI (Hirata).
Calibrate PI vertical LVDT.
Set yoke on PI vertical LVDT (if necessary).
Calibrate PI horizontal LVDTs.
Unlock BF keystone and try running BF fishing rod to fix sag problem.

Minor Tasks

Mechanical

Get clean bag laundered.
Swap out temporary ballast mass in BF, SF.
Return/replace borrowed parts:
- Lock washers for LBB dampers
- Temporary ballast mass (dog clamps) in BF.
- Wide-mouth OSEMs from RM to Akutsu-san
Adjust height of crossbars below BF.
If possible, fix galled pole in BF level of EQ stop.
Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
Check inside SF for lost ruler.
Tighten PI yaw return spring.
Get Cu O-rings for feedthroughs.

Electrical

Decide final in-vacuum and in-air cable routing (Enzo).
Calibrate all LVDTs (Enzo, Mark).
Remove cling wrap in BF and install vacuum-compatible heat shrink.
Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins).
Rewire PI horizontal steppers with vacuum-compatible cable.
Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).

Real-time and SUMCON models

Create SUMCON models for full BS and major installation milestones.
Create controls design description (cf LIGO-T1100378).
Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)
Understand/document/debug Kokeyama-san's DIO stuff.
Measure LPCD and HPCD output filter response.
Design and install software compensation filters for LPCD and HPCD output filters.
Design and install GAS drift compensation filters.
Create a proper DAC Monitor MEDM screen.
Improve ADC Monitor MEDM screen.

SR Prep Tasks

Design/Purchasing

Do rough mass budget for SR2/SR3/SRM.
Design SR assembly frame.
Design final SF ballast masses (Fabian).

KAGRA/Subgroups/VIS/TypeB/ToDoBS (last edited 2019-01-04 15:21:23 by MarkBarton)

-  ⇤ ← Revision 1 as of 2017-03-12 19:19:05 → 
  Size: 1718
  Editor: MarkBarton
  Comment:
+   ← Revision 76 as of 2017-06-27 11:16:44 → ⇥
  Size: 5585
  Editor: EnzoTapia
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 3:
-To-Do List 2017-03-13
+[[../ToDoOld|Archived To-Do Items]]
 Line 5:
-== Facilities ==
 * Vacuum and roll floor (All)
 * Wipe ladders (All)
 * Tidy tools, parts (All)
 * Find missing light lent to Kokeyama-san (Mark)
 * Mark/photograph/count peeling patches on the floor. 
 * Mark/photograph/count pillars with bare concrete bases.
+[[#EveryWeek |Every Week]]
-Line 13:
+Line 7:
-== Electronics ==
+[[#ComingWeeks |Coming Weeks]]
-Line 15:
+Line 9:
- * Wire up BF roll/pitch picos (Enzo)
 * Work with Miyo-kun to get pico drivers added to BS rack and screens (Enzo, Mark)
 * Grab remaining cables etc per E1605111 and update document (Enzo)
 * Update E1503600 with DIO card for HPCDs, etc, etc. (Enzo)
 * Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
 * Send list of required in-vacuum cables to Takahashi-san (Enzo, Mark)
 * Debug 900 Hz noise on BF LVDT output (Enzo, Mark)
 * Debug excess noise on TM-H3 OSEM (Enzo, Mark)
+[[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]

<<Anchor(EveryWeek)>>

== Every Week ==
=== Facilities ===
 * Vacuum and roll floor.
 * Wipe ladders.
 * Tidy tools, parts.
 * Get stuff from [[../WishList]]

<<Anchor(ComingWeeks)>>
== Coming Weeks 2017-06-26 ==
=== Facilities ===

=== Design/Documentation/Planning ===
  
 * Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian).
 * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
 * Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
 * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).

== BS Prism/Flag gluing ==
 * Push Hirose-san to set exact date.
 * Organize transport company for Kashiwa->Kamioka
 * Organize NAOJ vehicle for Mitaka->Kashiwa
  * Akabou Yoshihara Delivery Service (赤帽よしはら運送) yoshihara@akabou.ne.jp (吉原様)
 * Collect all items required.
  * Mirror box.
  * Prisms.
  * Stub flags.
  * Magnets: SmCo, 2 mm diameter, 3 mm long
  * Prism jigs
  * Flag jigs
 * Glue magnets to flags, 2 N, 2 S. 
 * Organize clean suits.
  * Make a list of people's sizes:
   * Mark: LL, 29 cm
   * Fabian: L, 26.5 or 27 cm
   * Hirata: M, 25.5 cm
   * Enzo: L, 27 or 28 cm
  * Get ones at Mitaka laundered?
  * Get Mark/Enzo to bring from Kamioka?

=== Main Assembly ===
 * Adjust pitch/yaw/vertical of dummy optic.
 * Crane tank lid on.
 * Start TFs.

=== Electronics ===
 * --(Wash extra F-F gender benders.)--
 * --(Fix broken picomotor cable.)--
 * Install new LVDT driver and set gains.
 * Document LVDT driver rebuild and other changes.
 * Debug all cabling!
 * Get pico drive screens fixed (Miyo-kun)
 * Sort out naming convention for PI LVDTs, geophones and horizontal steppers.

BS PI Geo #0 ~ #2 ;
BS PI LVDT #0 ~ #2 ;
BS PI Stepper #0 ~ #2

=== LSOL ===
 * Assist Simon with hardware installation of LSOL.
 * Assist Simon with modifications to realtime model for LSOL.

=== Real-time and SUMCON models ===
 * Derive and install PI LVDT matrices.
 * Check LSOL section of k1visbs model.

<<Anchor(RealBSHang)>>
== Real BS Hang Tasks ==
=== Major Tasks ===
 * Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
 * Get final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).
 * Possible rebuild of BF and/or SF
  * Set up build/test stand for filters.
  * Get filter test weights.
  * Find spare BF blade(s).
 * Prepare real BS:
  * Coordinate with Hirose-san.
  * Book transport of mirror (Kashiwa to KAGRA)
  * Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs.
  * Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san).
  * Organize cleanroom gear for Kashiwa trip(s).
  * Put magnets in flags.
  * Glue flags/prisms at Kashiwa.
 * Reclean stuff:
  * PI (remove Kapton tape etc, etc).
  * LLB damper stuff, especially Cu segments.
 * Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata).
 * If needed based on previous, order longer threaded rods for arc weights on PI (Hirata).
 * Calibrate PI vertical LVDT.
 * Set yoke on PI vertical LVDT (if necessary).
 * Calibrate PI horizontal LVDTs.
 * Unlock BF keystone and try running BF fishing rod to fix sag problem.

=== Minor Tasks ===
==== Mechanical ====
 * Get clean bag laundered.
 * Swap out temporary ballast mass in BF, SF.
 * Return/replace borrowed parts:
  * Lock washers for LBB dampers
  * Temporary ballast mass (dog clamps) in BF.
  * Wide-mouth OSEMs from RM to Akutsu-san
 * Adjust height of crossbars below BF.
 * If possible, fix galled pole in BF level of EQ stop.
 * Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
 * Check inside SF for lost ruler.
 * Tighten PI yaw return spring.
 * Get Cu O-rings for feedthroughs.

==== Electrical ====
 * Decide final in-vacuum and in-air cable routing (Enzo).
 * Calibrate all LVDTs (Enzo, Mark).
 * Remove cling wrap in BF and install vacuum-compatible heat shrink.
 * Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins).
 * Rewire PI horizontal steppers with vacuum-compatible cable.
 * Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).

==== Real-time and SUMCON models ====
 * Create SUMCON models for full BS and major installation milestones.
 * Create controls design description (cf [[https://dcc.ligo.org/LIGO-T1100378/public|LIGO-T1100378]]).
-Line 24:
+Line 135:
- * Make spreadsheet on Google Docs or the like with in-vacuum cable inventory (Hirata)
+ * Understand/document/debug Kokeyama-san's DIO stuff.
 * Measure LPCD and HPCD output filter response.
 * Design and install software compensation filters for LPCD and HPCD output filters.
 * Design and install GAS drift compensation filters.
 * Create a proper DAC Monitor MEDM screen.
 * Improve ADC Monitor MEDM screen.
-Line 26:
+Line 142:
-== PI Prep ==
 * Inspect PI, compare to CAD and 2D drawings (Hirata, Mark)
 * Identify missing PI parts (Hirata, Mark)
 * Find and reattach repaired LVDT coil(s) (???)
+<<Anchor(SRPrepTasks)>>
-Line 31:
+Line 144:
-== Hanging BF/IRM/IM/RM/BS ==
 * Correct orientation of SF cap (Mark, Fabian, Perry)
 * Correct orientation of SF (Mark, Fabian, Perry)
 * Find/attach cable clamps for SF (Fabian)

== Real-time and SUMCON models ==
 * Update SUMCON model of full BS (Perry?, Okitomi?, Mark?)
 * Do cut-down SUMCON model of just payload hanging from fixed BS (Perry?, Okitomi?, Mark?)
 * Compare measured TFs to cut-down model
 * Create a proper DAC Monitor MEDM screen
 * Improve ADC Monitor MEDM screen
+== SR Prep Tasks ==
=== Design/Purchasing ===
 * Do rough mass budget for SR2/SR3/SRM.
 * Design SR assembly frame.
 * Design final SF ballast masses (Fabian).