5866
Comment:
|
3243
|
Deletions are marked like this. | Additions are marked like this. |
Line 1: | Line 1: |
= VIS Type B Near Term To-Do List = | = VIS Type B BS Near Term To-Do List = |
Line 3: | Line 3: |
[[../ToDoOld|Archived To-Do Items]] | [[../ToDoOldBS|Archived BS To-Do Items]] [[../ToDoSR|SR To-Do Items]] |
Line 8: | Line 10: |
[[#RealBSHang|Preparation for Real BS Hang]] [[#SRPrepTasks|Preparation for SR Installation]] |
|
Line 23: | Line 21: |
== Coming Weeks (2017-06-19, 2017-06-26) == === Facilities === * --(Remove cling wrap from stuff.)-- * --(Plug stuff back in (charging station, KOACH filters, OL etc).)-- * --(Power up rack.)-- |
|
Line 29: | Line 22: |
=== Design/Documentation === * Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian). * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (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). |
== 2017-10-30 == |
Line 35: | Line 24: |
=== Main Assembly === * Remove crossbars below BF and SF (and possibly IM). * Set SF damper to 4 mm clearance. * 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). * Adjust height of SF damper ring to give correct Cu-magnet gap. * Remove crossbars below SF and BF (and possibly IM). * 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 back on. * Remove vacuum tank lid (only) and store on pallet. * Add ballast to LBB. * Replace geophones. * Unlock all but IP and check pendulum is centered in security structure. Adjust with jacks. * Unlock IP and adjust to center with jacks. * Adjust pitch/yaw/vertical of dummy optic. * Start TFs. |
=== 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. |
Line 57: | Line 41: |
=== Electronics === * Get pico drive screens fixed (Miyo-kun) * Order final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san). * Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones). * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring. * Reconnect in-vacuum cabling. * 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. |
=== 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. |
Line 69: | Line 47: |
=== LSOL === * Assist Simon with hardware installation of LSOL (week of 6/26?). * Assist Simon with modifications to realtime model for LSOL (week of 6/26?). |
=== 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. |
Line 73: | Line 54: |
=== Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. |
=== 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. |
Line 78: | Line 72: |
== Real BS Hang Tasks == | == Tasks Not To Forget == |
Line 80: | Line 74: |
* 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 build/test stand for filters. * 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. * 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). |
* 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. |
Line 102: | Line 83: |
* Get clean bag laundered. * Swap out temporary ballast mass in BF, SF. |
* Put pointy-tipped screw in RM trolley for BS |
Line 105: | Line 85: |
* Lock washers for LBB dampers | |
Line 107: | Line 86: |
* 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. |
|
Line 116: | Line 88: |
* 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). |
|
Line 131: | Line 97: |
* 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
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.