Differences between revisions 130 and 210 (spanning 80 versions)

VIS Type B BS Near Term To-Do List

This list has been merged into the common Type B list: ../ToDo.

Archived BS To-Do Items

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

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+   ← Revision 210 as of 2019-01-04 15:21:23 → ⇥
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-[[../ToDoSR|SR To-Do Items]]

[[#EveryWeek |Every Week]]

[[#ComingWeeks |Coming Weeks]]

<<Anchor(EveryWeek)>>

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

<<Anchor(ComingWeeks)>>
== 2017-09-11 ==

=== Main Assembly Sequence ===
 * Debug BF LVDT actuation.
 * Debug other actuation.
 * Remove F-0 rod and reinstall with hex cable clamp.
 * Route cables up past hex cable clamps.
 * Adjust SF trim mass for pitch/roll/vertical.
 * 

=== In parallel, time permitting ===
 * Fix links to ADC_MONITOR screens.
 * Check that all Take/Restore Safe.snap buttons work.
 * Check that we still have all LBB parts (there was an issue with borrowed lock nuts).
 * Wipe LLB damper parts with ethanol.
 * Figure out how to tighten PI yaw return spring.

== Dates ==
 * BUMAX countersunk screws for LBB Cu 
 * SDC screws for LBB half rings: 9/15 (Fri)
 * LBB Cu segments: 9/19-20

<<Anchor(RealBSHang)>>
== 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).
 * Get pico drive screens fixed (Miyo-kun)
 * Calibrate PI vertical LVDT.
 * Set yoke on PI vertical LVDT (if necessary).
 * Calibrate PI horizontal LVDTs.

=== 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 ====
 * Decide final in-vacuum and in-air cable routing (Enzo).
 * Calibrate all LVDTs (Enzo, Mark). --(BF)--, --(SF)--, PI-GAS, PI-H1, PI-H2, PI-H3
 * Adjust yoke on PI to put top of secondary at TBD 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]]).
 * 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.