Differences between revisions 22 and 210 (spanning 188 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)

-  ⇤ ← Revision 22 as of 2017-05-16 10:13:44 → 
  Size: 1979
  Editor: MarkBarton
  Comment:
+   ← Revision 210 as of 2019-01-04 15:21:23 → ⇥
  Size: 155
  Editor: MarkBarton
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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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
+This list has been merged into the common Type B list: [[../ToDo]].
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-== Every Week ==
=== Facilities ===
 * Vacuum and roll floor.
 * Wipe ladders.
 * Tidy tools, parts.

== 2017-05-15 ==

== Facilities ==
 * --(Clear spaces for PR2 bellows work and SR2 ladder installation on 5/15.)--
 * --(Fix safety bar on -X side of assembly frame (move to other side of pillars and attach more securely).)--

== Design/Purchasing ==
 * Order longer threaded rods for arc weights on PI.
 * Design, order modifications to LBB blade springs.

=== Main Assembly ===
 * Remove PI.
 * Fix jammed PI-SF rod.
 * Remove SF cap.
 * Remove blades from LBB blade units and send off for rework.
 * Install remaining cable clamps on PI.
 * Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.
 * Decide pattern of SF damper ring magnets (72 pieces in 2/3 of the original ring).
 * Install magnets on SF damper ring.
 * Lift PI and hang LBB damper ring.
 * Crane PI back in.
 * Install rod, this time with hex cable clamp.
 * Re-hook SF/... section.
 * Install geophones.

=== Electronics ===
 * Debug and calibrate SF LVDT.
 * Put connector on PI vertical LVDT wires per E1503600-v13 Sheet 5.
 * Make PI vertical/yaw stepper in-air adapter cable per E1503600-v13 Sheet 7.
 * Make (in-air) geophone unscrambler cables per E1503600-v13 Sheet 8.
 * Complete cabling of PI stuff (steppers, LVDTs, geophones) through to rack and test.

 * Decide final length for BS OSEM cables.
 * Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)

== Real-time and SUMCON models ==
 * 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.
+[[../ToDoOldBS|Archived BS To-Do Items]]