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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]]

[[../ToDoSR|SR To-Do Items]]
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[[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]
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== Coming Weeks 2017-07-03 ==
=== Facilities ===
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=== Design/Documentation/Planning ===
 * Solve magic wand problem.
   * Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata-san).
   * If needed based on previous, order longer threaded rods for arc weights on PI (Hirata-san).
   * Alternatively, have magic wand cut down (Hirata-san).
 * Final ballast mass design for BF and SF.
  * --(Revised design (Fabian).)--
  * Do revised drawings (Hirata-san).
  * Decide final numbers.
  * Get quote.
  * Place order.
 * Final ballast mass for IM.
  * Final design (Fabian).
  * Drawings (Hirata-san).
  * Get quotes (Hirata-san)
  * Place order (Hirata-san).
 * --(Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).)--
 * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
 * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
 * LBB ballast mass.
  * Research real payload.
  * Measure total load capacity (see Main Assembly section).
  * Do improved mass budget.		 == 2017-10-30 ==
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== BS Prism/Flag gluing ==
 * --(Organize transport company for Kashiwa->Kamioka)--
 * --(Collect mirror, mirror box, tools etc from Kashiwa.)--
 * --(Ship mirror to Kamioka via Akabou.)--
 * --(Ship gluing tools to Kamioka via Yu-Pack.)--
 * --(Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).)--
 * --(Get magnet jigs remade (ATC).)--
 * Clean magnet jigs, prisms (Hirata).
 * Assemble (with glue) magnet jigs. (Mark)
 * Glue flags/prisms.
  
=== Electronics ===
 * Document LVDT driver rebuild and other changes.
 * --(Fix #0 LVDT actuator coil.)--
 * Get pico drive screens fixed (Miyo-kun)		 === Main Assembly Sequence ===
 * --(Realign OL.)--
 * Cover OL with foil.
 * Offload IP P&Y offsets to picos.
 * Diagonalize OL.
 * Spectra 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)
 * 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.
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=== Main Assembly ===
 * Do TFs.
 * Experiment with rearranging arc weights to accommodate magic wand.
 * Remove arc weights; load onto LBB; measure total load capacity.
 * Unload arc weights and store.
 * Dismantle LBB and rings.
  * Remove screw feet.
  * Replace blocks.
  * Unhook.
 * Reinstall spacers and clamps on LBB damper rings.
 * Unhook rods supporting LBB intermediate ring.		 === 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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=== 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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== Real BS Hang Tasks == == Tasks Not To Forget ==
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 * Final ballast mass production for BF and SF (Hirata-san). (have quotes)
 * Design of receptacles for rods with 8 mm heads.
 * --(Get final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).)--
 * Possible rebuild of BF and/or SF
  * Set up build/test stand for filters.
  * Get filter test weights.
  * Find spare BF blade(s).
 * Reclean stuff:
  * PI (remove Kapton tape etc, etc).
  * LLB damper stuff, especially Cu segments.
 * Calibrate PI vertical LVDT.
 * Set yoke on PI vertical LVDT (if necessary).
 * Calibrate PI horizontal LVDTs.
 * Unlock BF keystone and try running BF fishing rod to fix sag problem.		  * 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.
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 * Get clean bag laundered.
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 * Swap out temporary ballast mass in BF, SF.
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  * Lock washers for LBB dampers
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  * Wide-mouth OSEMs from RM to Akutsu-san
 * Adjust height of crossbars below BF.
 * If possible, fix galled pole in BF level of EQ stop.
 * Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
 * Check inside SF for lost ruler.
 * Tighten PI yaw return spring.
 * Get Cu O-rings for feedthroughs.
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 * Decide final in-vacuum and in-air cable routing (Enzo).
 * Calibrate all LVDTs (Enzo, Mark).
 * Remove cling wrap in BF and install vacuum-compatible heat shrink.
 * Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins).
 * Rewire PI horizontal steppers with vacuum-compatible cable.
 * Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
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 * Create a proper DAC Monitor MEDM screen.
 * Improve ADC Monitor MEDM screen.

<<Anchor(SRPrepTasks)>>

== SR Prep Tasks ==
=== Design/Purchasing ===
 * Do rough mass budget for SR2/SR3/SRM.
 * Design SR assembly frame.
 * Design final SF ballast masses (Fabian).

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.
  • Spectra 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)

  • 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)