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| To-Do List 2017-03-13 | [[../ToDoOld|Archived 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. |
[[#EveryWeek |Every Week]] |
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| == Electronics == | [[#ComingWeeks |Coming Weeks]] |
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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) |
[[#RealBSHang|Preparation for Real BS Hang]] [[#SRPrepTasks|Preparation for SR Installation]] <<Anchor(EveryWeek)>> == Every Week == === Facilities === * Vacuum and roll floor. * Wipe ladders. * Tidy tools, parts. <<Anchor(ComingWeeks)>> == Coming Weeks (2017-06-19, 2017-06-26) == === Facilities === * Restoration after power outage * Remove cling wrap from stuff. * Plug stuff back in (charging station, KOACH filters, OL etc). * Power up rack. === Main Assembly === * Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm). * Adjust jacks to nominal height. * Unlock BF keystone and try running BF fishing rod to fix sag problem (Enzo, Mark). * Do up all EQ stops etc (except SF). * Remove geophones (temporarily, for craning). * Crane suspension into tank. * Hook LBB Cu ring. * Hook LBB. * Crane vacuum tank lid+ring black on. * Remove vacuum tank lid (only). * Add ballast to LBB. === Electronics === * Disconnect in-vacuum and in-air cabling from feedthroughs. * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring. * Adjust in-air cabling to match 135° rotation of BS. * Reconnect in-air cables. * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * Calibrate PI horizontal LVDTs. * Get pico drive screens fixed (Miyo-kun) === Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. <<Anchor(RealBSHang)>> == Real BS Hang Tasks == === Major Tasks === * Final ballast mass design/production for BF and SF (Fabian, Hirata-san). * 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 filter build/test stand. * Get filter test weights. * Find spare BF blade(s). * Prepare real BS: * Coordinate with Hirose-san. * Book transport of mirror (Kashiwa to KAGRA) * Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs. * Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san). * Organize cleanroom gear for Kashiwa trip(s). * Put magnets in flags. * Glue flags/prisms at Kashiwa. * Reclean stuff: * PI (remove Kapton tape etc, etc). * LLB damper stuff, especially Cu segments. === Minor Tasks === ==== Mechanical ==== * Swap out temporary ballast mass in BF, SF. * Return/replace borrowed parts: * Lock washers for LBB dampers * Temporary ballast mass (dog clamps) in BF. * 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. ==== Electrical ==== * 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). ==== 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) | * 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. |
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| == 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) (???) |
<<Anchor(SRPrepTasks)>> |
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| == 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?, Okitomi?, 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 |
== SR Prep Tasks == === 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). |
VIS Type B Near Term To-Do List
Preparation for SR Installation
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Coming Weeks (2017-06-19, 2017-06-26)
Facilities
- Restoration after power outage
- Remove cling wrap from stuff.
- Plug stuff back in (charging station, KOACH filters, OL etc).
- Power up rack.
Main Assembly
- Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm).
- Adjust jacks to nominal height.
- Unlock BF keystone and try running BF fishing rod to fix sag problem (Enzo, Mark).
- Do up all EQ stops etc (except SF).
- Remove geophones (temporarily, for craning).
- Crane suspension into tank.
- Hook LBB Cu ring.
- Hook LBB.
- Crane vacuum tank lid+ring black on.
- Remove vacuum tank lid (only).
- Add ballast to LBB.
Electronics
- Disconnect in-vacuum and in-air cabling from feedthroughs.
- Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
- Adjust in-air cabling to match 135° rotation of BS.
- Reconnect in-air cables.
- Calibrate PI vertical LVDT.
- Set yoke on PI vertical LVDT (if necessary).
- Calibrate PI horizontal LVDTs.
- Get pico drive screens fixed (Miyo-kun)
Real-time and SUMCON models
- Derive and install PI LVDT matrices.
- Check LSOL section of k1visbs model.
Real BS Hang Tasks
Major Tasks
- Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
- 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 filter build/test stand.
- Get filter test weights.
- Find spare BF blade(s).
- Prepare real BS:
- Coordinate with Hirose-san.
- Book transport of mirror (Kashiwa to KAGRA)
- Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs.
- Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san).
- Organize cleanroom gear for Kashiwa trip(s).
- Put magnets in flags.
- Glue flags/prisms at Kashiwa.
- Reclean stuff:
- PI (remove Kapton tape etc, etc).
- LLB damper stuff, especially Cu segments.
Minor Tasks
Mechanical
- Swap out temporary ballast mass in BF, SF.
- Return/replace borrowed parts:
- Lock washers for LBB dampers
- Temporary ballast mass (dog clamps) in BF.
- 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.
Electrical
- 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).
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.
- Create a proper DAC Monitor MEDM screen.
- Improve ADC Monitor MEDM screen.
SR Prep Tasks
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).