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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 (2017-06-19, 2017-06-26) == === Facilities === * --(Power up rack.)-- |
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=== 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). |
== ASAP == |
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=== Main Assembly === * ''Unlock BF keystone and try running BF fishing rod to fix sag problem.'''' * Adjust pitch/yaw/vertical of dummy optic. * Crane tank lid on. * Start TFs. |
=== Main Assembly Sequence === * 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. |
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=== Electronics === * Wash extra F-F gender benders. * Fix broken picomotor cable. * Install new LVDT driver and set gains. * Document LVDT driver rebuild and other changes. * Debug all cabling! * Get pico drive screens fixed (Miyo-kun) * Sort out naming convention for PI LVDTs, geophones and horizontal steppers. |
=== 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. |
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=== LSOL === * Assist Simon with hardware installation of LSOL. * Assist Simon with modifications to realtime model for LSOL. |
=== Medm screens === * Remove unused screens. |
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=== Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. |
=== 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. |
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== Real BS Hang Tasks == | == Tasks Not To Forget == |
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* 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). * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * Calibrate PI horizontal LVDTs. |
* 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. |
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* Get clean bag laundered. * Swap out temporary ballast mass in BF, SF. |
* Put pointy-tipped screw in RM trolley for BS |
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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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* Design and install GAS drift compensation filters. * 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
ASAP
Main Assembly Sequence
- 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.