Differences between revisions 149 and 175 (spanning 26 versions)
⇤ ← Revision 149 as of 2017-09-25 08:14:23 →
Size: 3240
Editor: MarkBarton
Comment:
← Revision 175 as of 2017-11-10 11:26:35 → ⇥
Size: 3244
Editor: EnzoTapia
Comment:
Deletions are marked like this. Additions are marked like this.
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== 2017-09-25 == == 2017-10-30 ==
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 * Move in-air cabling and feedthroughs and reconnect in-vacuum cables (through Cu O-rings).
 * Fix #1 geophone adapter cable.
 * Fix broken pico adapter cable?
 * Debug all electronics, starting with IRM OSEMs.
 * Unlock IP; use jacks and FRs to center.
 * Check IP yaw.
 * Recheck centering of suspension in assembly frame.		  * --(Realign OL.)--
 * Cover OL with foil.
 * Offload IP P&Y offsets to picos.
 * Diagonalize OL.
 * 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)
 * Spectra analysis of PI sensors (PI LVDTs and Geophones).
 * Design PI Sensor blending filter.
 * Subtract DC level of Geophones.
 * 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.
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 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
 * LBB stuff (see below).
 * 		 * TFs.
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=== LBB Sequence
 * Unclamp LBB ring sandwich; fully suspend Cu ring.
 * Unscrew LBB from tank brackets.
 * Hook LBB.
 * Remove TBD amount of spacers from between LBB and tank brackets.
 * Set LBB blade stops to nominal height.
 * Extend foot screws on LBB to just barely support LBB.
 * Adjust height of LBB magnet ring to set proper gap (4 mm??).
 * Retract LBB foot screws.
 * Add temporary ballast to LBB until LBB blades just barely sink below stops.
 * Check distance from LBB to main beam height (or other suitable reference); adjust by screwing receptacles.
 * Set foot screws to give ≈5 mm (or TBD) movement range of LBB below nominal.
 * Set stop on LBB blades to give ≈3 mm (or TBD, less than Cu-magnet gap) of LBB above nominal.		 === Etc ===
 * Move stuff out of PR2 area.
 * Tidy/label parts.
 * Move safety bars from BS AF area to SR2 area.
 * Close hole in floor above BS AF area.
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=== In parallel, time permitting === === 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).
 * Sort out SVN.
 * Add support for comments to SUMCON.
 * Create SUMCON model with values commented.

=== Medm screens ===
 * Remove old OL stuff; add link to new OL stuff.
 * Remove unused screens.

=== Documentation and Operation Manual ===
 * Publish matrices for IP FRs.
 * Publish matrices for BS PI sensors v4.
 * Finish Foton operation Manual.
 * Complete MEDM operation Manual.
 * Pico Motor operation Manual.
 * 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.
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 * Wipe any rust from around IP LVDTs.
 * Update circuit diagram.
 * (Time permitting) Try adding mass to IP.
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 * Get pico drive screens fixed (Miyo-kun)
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 * Get clean bag laundered.
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  * Lock washers for LBB dampers
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 * Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
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 * 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).

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

2017-10-30

Main Assembly Sequence

  • Realign OL.

  • Cover OL with foil.

  • Offload IP P&Y offsets to picos.

  • Diagonalize OL.
  • 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)

  • Spectra analysis of PI sensors (PI LVDTs and Geophones).
  • Design PI Sensor blending filter.
  • Subtract DC level of Geophones.
  • 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.

Etc

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

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).
  • Sort out SVN.
  • Add support for comments to SUMCON.
  • Create SUMCON model with values commented.

Medm screens

  • Remove old OL stuff; add link to new OL stuff.
  • Remove unused screens.

Documentation and Operation Manual

  • Publish matrices for IP FRs.
  • Publish matrices for BS PI sensors v4.
  • Finish Foton operation Manual.
  • Complete MEDM operation Manual.
  • Pico Motor operation Manual.
  • 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

  • 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.
  • Design and install GAS drift compensation filters.

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