Differences between revisions 2 and 170 (spanning 168 versions)
Revision 2 as of 2017-03-12 19:19:32
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Editor: MarkBarton
Comment:
Revision 170 as of 2017-10-30 10:08:22
Size: 3460
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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To-Do List 2017-03-13 [[../ToDoOldBS|Archived BS To-Do Items]]
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== 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.
[[../ToDoSR|SR To-Do Items]]
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== Electronics == [[#EveryWeek |Every Week]]
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 * 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)
[[#ComingWeeks |Coming Weeks]]

<<Anchor(EveryWeek)>>

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

<<Anchor(ComingWeeks)>>

== 2017-10-16 ==

=== Main Assembly Sequence ===
 * --(Borrow portable hard drive.)--
 * --(Remove sticker residue and permanent marker writing on PI.)--
 * --(Fix broken and unreliable connections on IP LVDTs.)--
 * --(Reconfigure the stepper motor cables for Miyo-kun.)--
 * Wipe any rust from around IP LVDTs.
 * --(Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.)--
 * Calibrate IP LVDT actuation against IP LVDT sensing.
 * --(Install damping filters for IP LVDTs.)--
 * Adjust gains and debug damping for IM OSEMs and GAS LVDTs.
 * Modify IP LVDT damping filters to include set point.
 * --(Install and debug IP LVDT and geophone diagonalization matrices.)--
 * --(Work with alignment team.)--
 * --(Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed))--
 * --(Work with Miyo-kun to get user interface for stepper motors.)--
 * --(Calibrate IP FR actuation against IP LVDT sensing.)--
 * SR procurement.
 * --(Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.)--
 * --(Reroute cable to eliminate need for fifth feedthrough.)--
 * Set all EQ stops to TBD clearance.
 * Measure IP period; adjust ballast mass.
 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
 * TFs.

=== Etc ===
 * Move stuff out of PR2 area.
 * Tidy/label parts.
 * Move safety bars from BS AF area to SR2 area.
 * (Put up safety bars in SR3 area.)
 * Close hole in floor above BS AF area.

=== Software ===
 * --(Enter new IP matrices and do safe.snap.)--
 * --(Send stepper driver info to 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.
 * --(Add support for comments to SUMCON.)--
 * Create SUMCON model with values commented.
 * --(Derive matrices for IP FRs.)--

=== Design ===
 * Finalize redesign of IP yaw adjuster.
 * Design better F0 FR adjuster.

<<Anchor(RealBSHang)>>
== Tasks Not To Forget ==
=== Major Tasks ===
 * (Time permitting) Try adding mass to IP.
 * 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 ====
 * Put pointy-tipped screw in RM trolley for BS
 * Return/replace borrowed parts:
  * Temporary ballast mass (dog clamps) in BF.

==== Electrical ====

==== 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]]).
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 * Make spreadsheet on Google Docs or the like with in-vacuum cable inventory (Hirata)

== 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) (???)

== 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?, Okutomi?, 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
 * 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.

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

2017-10-16

Main Assembly Sequence

  • Borrow portable hard drive.

  • Remove sticker residue and permanent marker writing on PI.

  • Fix broken and unreliable connections on IP LVDTs.

  • Reconfigure the stepper motor cables for Miyo-kun.

  • Wipe any rust from around IP LVDTs.
  • Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.

  • Calibrate IP LVDT actuation against IP LVDT sensing.
  • Install damping filters for IP LVDTs.

  • Adjust gains and debug damping for IM OSEMs and GAS LVDTs.
  • Modify IP LVDT damping filters to include set point.
  • Install and debug IP LVDT and geophone diagonalization matrices.

  • Work with alignment team.

  • Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed)

  • Work with Miyo-kun to get user interface for stepper motors.

  • Calibrate IP FR actuation against IP LVDT sensing.

  • SR procurement.
  • Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.

  • Reroute cable to eliminate need for fifth feedthrough.

  • Set all EQ stops to TBD clearance.
  • Measure IP period; adjust ballast mass.
  • Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
  • TFs.

Etc

  • Move stuff out of PR2 area.
  • Tidy/label parts.
  • Move safety bars from BS AF area to SR2 area.
  • (Put up safety bars in SR3 area.)
  • Close hole in floor above BS AF area.

Software

  • Enter new IP matrices and do safe.snap.

  • Send stepper driver info to 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.
  • Add support for comments to SUMCON.

  • Create SUMCON model with values commented.
  • Derive matrices for IP FRs.

Design

  • Finalize redesign of IP yaw adjuster.
  • Design better F0 FR adjuster.

Tasks Not To Forget

Major Tasks

  • (Time permitting) Try adding mass to IP.
  • 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

  • Put pointy-tipped screw in RM trolley for BS
  • Return/replace borrowed parts:
    • Temporary ballast mass (dog clamps) in BF.

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)