Differences between revisions 49 and 180 (spanning 131 versions)
Revision 49 as of 2017-06-16 16:10:25
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Editor: MarkBarton
Comment:
Revision 180 as of 2017-11-24 11:56:59
Size: 3092
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|Archived To-Do Items]] [[../ToDoOldBS|Archived BS To-Do Items]]
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[[../BSTestHangIssues|Issues to fix after BS Test Hang]] [[../ToDoSR|SR To-Do Items]]

[[#EveryWeek |Every Week]]

[[#ComingWeeks |Coming Weeks]]

<<Anchor(EveryWeek)>>
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 * Get stuff from [[../WishList]]
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== Longer Term == <<Anchor(ComingWeeks)>>
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=== Design/Purchasing ===
 * Do rough mass budget for SR2/SR3/SRM.
 * Design SR assembly frame.
 * Get another D-Sub breakout (Hirata).
 * Design final SF ballast masses (Fabian).
 * Finish/post assembly drawing for LBB and LBB damper ring (Hirata).
 * 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).
== ASAP ==
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=== Real-time and SUMCON models ===
 * --(Adjust OSEM ADC and DAC channel assignments to match cabling changes.)--
 * --(Check PI section of k1visbs model.)--
=== Main Assembly Sequence ===
 * Diagonalize OL.
 * Improve OL offloading.
 * Improve GAS offloading.
 * Spectral analysis of Oplev.
 * Design, install angular lock servo using OL.
 * Adjust gains and debug damping for IM OSEMs and GAS LVDTs.
 * Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553)
 * Subtract DC level of Geophones.
 * Spectra analysis of PI sensors (PI LVDTs and Geophones).
 * Design PI Sensor blending filter.
 * Modify IP LVDT damping filters to include set point.
 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
 * Set all EQ stops to TBD clearance.
 * Measure IP period; adjust ballast mass.
 * TFs.

=== Software ===
 * Update real-time model to number channels from #0.
 * Do better interface to IP steppers (make a wrapper for Miyo-kun's driver which includes geometry matrix; adapt Shoda-san's version).
 * Write a guardian.
 * Sort out SVN.
 * Create SUMCON model with values commented.

=== Medm screens ===
 * Remove unused screens.

=== Documentation and Operation Manual ===
 * Publish matrices for IP FRs.
 * Publish matrices for BS PI sensors v4.
 * Finish Foton Operation Manual page.
 * Complete MEDM Operation Manual page.
 * Pico Motor Operation Manual page.
 * Add useful info from Enzo's notebook to BSData.

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

<<Anchor(RealBSHang)>>
== Tasks Not To Forget ==
=== Major Tasks ===
 * Move safety bars from BS AF area to SR2 area.
 * Close hole in floor above BS AF area.
 * Wipe any rust from around IP LVDTs.
 * Update circuit diagram.
 * (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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 * Design and install GAS drift compensation filters.
 * Create a proper DAC Monitor MEDM screen.
 * Improve ADC Monitor MEDM screen.

== 2017-06-12 ==

=== Facilities ===

=== Main Assembly ===
 * Unlock BF keystone and try running BF fishing rod to fix sag problem.
 * --(Check pitch/roll of SF and adjust trim as required.)--
 * --(Prepare LBB.)--
  * --(Attach LBB outriggers and rod receptacles.)--
 * --(Prepare LBB Cu ring.)--
  * --(Remove from tank, fix incompletely threaded holes, reinstall in tank.)--
  * --(Lay down spacers to protect magnets (in next step).)--
 * --(Prepare LBB magnet ring.)--
  * --(Disassemble.)--
  * --(Pass pieces into tank.)--
  * --(Reassemble on top of Cu ring.)--
 * --(Install LBB damper.)--
  * --(Bind LBB damper rings together with slings.)--
  * --(Remove vacuum tank lid and ring.)--
  * --(Crane rings up to install height, hook LBB magnet ring and support LBB Cu ring by TBD method.)--
 * Crane suspension into tank.
 * Hook LBB Cu ring.
 * Hook LBB.
 * Crane vacuum tank lid+ring black on.
 * Remove vacuum tank lid (only).
 * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
 * Reconnect in-air cables.

=== Electronics ===
 * Calibrate PI vertical LVDT.
 * Set yoke on PI vertical LVDT (if necessary).
 * --(Cable and test PI yaw stepper.)--
 * --(Cable and test PI vertical stepper.)--
 * --(Cable and test PI horizontal steppers.)--
 * --(Cable and test PI horizontal LVDTs.)--
 * Calibrate PI horizontal LVDTs.
 * --(Finalize OSEM cable lengths and update D1503600, E1503091 and Sato-san's spreadsheet.)--
 * --(Recount cables in box and in test hang, and update Sato-san's spreadsheet.)--
 * --(Cable and test PI vertical LVDT.)--
 * --(Debug/fix PI vertical LVDTs #0 and #2.)--
 * --(Debug/fix geophone #1.)--

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

ASAP

Main Assembly Sequence

  • Diagonalize OL.
  • Improve OL offloading.
  • Improve GAS offloading.
  • Spectral analysis of Oplev.
  • Design, install angular lock servo using OL.
  • Adjust gains and debug damping for IM OSEMs and GAS LVDTs.
  • Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553)

  • Subtract DC level of Geophones.
  • Spectra analysis of PI sensors (PI LVDTs and Geophones).
  • Design PI Sensor blending filter.
  • Modify IP LVDT damping filters to include set point.
  • Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
  • Set all EQ stops to TBD clearance.
  • Measure IP period; adjust ballast mass.
  • TFs.

Software

  • Update real-time model to number channels from #0.
  • Do better interface to IP steppers (make a wrapper for Miyo-kun's driver which includes geometry matrix; adapt Shoda-san's version).
  • Write a guardian.
  • Sort out SVN.
  • Create SUMCON model with values commented.

Medm screens

  • Remove unused screens.

Documentation and Operation Manual

  • Publish matrices for IP FRs.
  • Publish matrices for BS PI sensors v4.
  • Finish Foton Operation Manual page.
  • Complete MEDM Operation Manual page.
  • Pico Motor Operation Manual page.
  • Add useful info from Enzo's notebook to BSData.

Design

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

Tasks Not To Forget

Major Tasks

  • Move safety bars from BS AF area to SR2 area.
  • Close hole in floor above BS AF area.
  • Wipe any rust from around IP LVDTs.
  • Update circuit diagram.
  • (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.

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