Differences between revisions 92 and 153 (spanning 61 versions)
⇤ ← Revision 92 as of 2017-07-18 08:57:00 →
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Editor: MarkBarton
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= VIS Type B Near Term To-Do List = = VIS Type B BS Near Term To-Do List =
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[[../ToDoOld|Archived To-Do Items]] [[../ToDoOldBS|Archived BS To-Do Items]]

[[../ToDoSR|SR To-Do Items]]
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[[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]
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== Coming Weeks 2017-07-10 ==
=== Facilities ===
 * Get blue underwear for Yoshioka-kun.
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=== Design/Documentation/Planning ===
 * Organize new OL for setting BS pitch (Fabian).
 * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
 * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
 * LBB ballast mass.
  * Research real payload.
  * Do improved mass budget.
  
=== Electronics ===
 * Make sure SR3 boxes are also recorded in the AEL purple book.
 * Make sure SR3 boxes have notes on their JGW-S.... document pages.
 * Get cables/cards for SR3:
  * 5 DSub-37 FF gender benders (Mozumi)
  * 5 DSub-37 cables (tent)
  * 5 DSub-15M to DSub-9M adapter cables (tent)
  * 3 DIO cards (tent)
  * 2 DSub-9 FF gender benders (for LVDTs)
  * extra ADC card(s)?
  * extra DAC card(s)?
  * BNC-LEMO adapter (for LVDTs)
  * etc		 == 2017-10-02 ==
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=== Main Assembly ===
 * Try to remove galled pole.
  * --(Consult with Takahashi-san.)--
  * Get alcohol in squirt bottle.
  * Try removing pole with alcohol as lubricant.
 * If no luck with galled pole...
  * Remove floorboard near pallet.
  * Crane PI to pallet with rod in place.
 * Inspect, finish setting up filter service area.
 * Remove SF.
 * Do BF FR test.
 * If BF passes...
  * Find BF for SRx and move to filter service area.
 * If BF fails...
  * Remove current BF to filter service area.
 * Rebuild BF.
 * Search for wire.
 * Glue flags/prisms.
 * Remove LBB rings.
 * Send rings for recleaning.		 === SR2 stuff ===
 * Replace BS service port covers, or reinforce foil with tape.
 * Cling-wrap or move:
  * White plastic table
  * Writing table
  * Tall metal table


=== Main Assembly Sequence ===
 * Check for bubble level and other tools in tank.
 * Remove stickers on IP and clean with ethanol (some were missed last time).
 * Wipe rusty screws on IP LVDTs and surrounding area with ethanol-soaked wipe.
 * Check that all in-air cables are labeled.
 * Fix broken pico adapter cable?
 * If possible, reroute cable to eliminate need for with feedthrough.
 * Debug all electronics, especially actuation.
 * Check IP yaw.
 * Recheck centering of suspension in assembly frame.
 * Measure IP period; adjust ballast mass.
 * Calibrate all LVDTs (Enzo, Mark). --(BF)--, --(SF)--, --(PI-GAS)--, PI-H1, PI-H2, PI-H3
 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
 * Set all EQ stops to proper clearance.
 * Get ready for full TFs.

=== Software ===
 * Enter new IP matrices and do safe.snap.
 * Get pico drive screens fixed (Miyo-kun)
 * Update real-time model to number channels from #0.
 * Remove old OL stuff; add link to new OL stuff.
 * Remove unused screens.
 * Sort out SVN.
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== Real BS Hang Tasks == == Tasks Not To Forget ==
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 * Get pico drive screens fixed (Miyo-kun)
 * Final ballast mass production for BF and SF (Hirata-san). (have quotes)
 * Design of receptacles for rods with 8 mm heads.
 * Possible rebuild of BF and/or SF
  * Set up build/test stand for filters.
  * Get filter test weights.
  * Find spare BF blade(s).
 * Reclean stuff:
  * PI (remove Kapton tape etc, etc).
  * LLB damper stuff, especially Cu segments.
 * 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.		  * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
 * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
 * Figure out how to make PI yaw adjustment reliable.
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 * Swap out temporary ballast mass in BF, SF.
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  * 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.
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 * Check inside SF for lost ruler.
 * Tighten PI yaw return spring.
 * Get Cu O-rings for feedthroughs.
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 * 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).
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 * Create a proper DAC Monitor MEDM screen.
 * Improve ADC Monitor MEDM screen.

<<Anchor(SRPrepTasks)>>

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

VIS Type B BS Near Term To-Do List

Archived BS To-Do Items

SR To-Do Items

Every Week

Coming Weeks

Every Week

Facilities

  • Vacuum and roll floor.
  • Wipe ladders.
  • Tidy tools, parts.

  • Get stuff from ../WishList

2017-10-02

SR2 stuff

  • Replace BS service port covers, or reinforce foil with tape.
  • Cling-wrap or move:
    • White plastic table
    • Writing table
    • Tall metal table

Main Assembly Sequence

  • Check for bubble level and other tools in tank.
  • Remove stickers on IP and clean with ethanol (some were missed last time).
  • Wipe rusty screws on IP LVDTs and surrounding area with ethanol-soaked wipe.
  • Check that all in-air cables are labeled.
  • Fix broken pico adapter cable?
  • If possible, reroute cable to eliminate need for with feedthrough.
  • Debug all electronics, especially actuation.
  • Check IP yaw.
  • Recheck centering of suspension in assembly frame.
  • Measure IP period; adjust ballast mass.

  • Calibrate all LVDTs (Enzo, Mark). BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3

  • Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
  • Set all EQ stops to proper clearance.
  • Get ready for full TFs.

Software

  • Enter new IP matrices and do safe.snap.
  • Get pico drive screens fixed (Miyo-kun)
  • Update real-time model to number channels from #0.
  • Remove old OL stuff; add link to new OL stuff.
  • Remove unused screens.
  • Sort out SVN.

Tasks Not To Forget

Major Tasks

  • Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
  • Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
  • Figure out how to make PI yaw adjustment reliable.

Minor Tasks

Mechanical

  • Get clean bag laundered.
  • Put pointy-tipped screw in RM trolley for BS
  • Return/replace borrowed parts:
    • Lock washers for LBB dampers
    • Temporary ballast mass (dog clamps) in BF.
  • Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.

Electrical

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.

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