4420
Comment:
|
2640
|
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: |
== 2017-08-07 == === Facilities === |
|
Line 26: | Line 22: |
=== Design/Documentation/Planning === * LBB ballast mass. * Research real payload. * Do improved mass budget. * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD. |
== 2017-10-16 == |
Line 32: | Line 24: |
=== Electronics === * --(Route new (longer) TM OSEM cables.)-- * --(Recable/test IM-PIT/ROL/YAW picos.)-- * --(Recable/test BF Stepper.)-- * Recable BF LVDT. * Rip out old in-air cabling. * Lay new in-air cabling. * Reinstall LVDT chassis. |
=== Main Assembly Sequence === * Repair broken and unreliable connections on LVDTs. * Adjust LVDT zero positions to maximize usable range. * * If possible, reroute cable to eliminate need for fifth feedthrough. * Measure IP period; adjust ballast mass. * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs. * Set all EQ stops to TBD clearance. * Get ready for full TFs. * Borrow portable hard drive. * Clean up sticker residue and magic marker writing. |
Line 41: | Line 36: |
=== Main Assembly === * --(Weigh filter lifting rod plus whatever other items used by Hirata-san in BF load capacity measurement.)-- * --(Finish adjusting in/out of TM OSEMs.)-- * --(Hang RM.)-- * --(Remove endplate of IM, check pico centering.)-- * --(Weigh/trim IM/RM/TM)-- * --(Bring in BF.)-- * --(Install IRM top plate.)-- * --(Hook IM/RM/BS.)-- * Do final trim of IM/RM/TM. * Remove LBB rings. * Send rings for recleaning. |
=== Etc === * Move stuff out of PR2 area. * Tidy/label parts. * Move safety bars from BS AF area to SR2 area. * (Put up safety bars in SR3 area.) * Close hole in floor above BS AF area. |
Line 54: | Line 43: |
=== Time permitting === | === Software === * --(Enter new IP matrices and do safe.snap.)-- * --(Send stepper driver info to Miyo-kun)--. * Update real-time model to number channels from #0. * Remove old OL stuff; add link to new OL stuff. * Remove unused screens. * Sort out SVN. * --(Add support for comments to SUMCON.)-- * Create SUMCON model with values commented. * Derive matrices for IP FRs. === Design === * Finalize redesign of IP yaw adjuster. * Design better F0 FR adjuster. |
Line 57: | Line 59: |
== Real BS Hang Tasks == | == Tasks Not To Forget == |
Line 59: | Line 61: |
* Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD. | |
Line 60: | Line 63: |
* Get pico drive screens fixed (Miyo-kun) * Final ballast mass production for BF and SF (Hirata-san). (have quotes) * Design of receptacles for rods with 8 mm heads. * 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. |
* Figure out how to make PI yaw adjustment reliable. |
Line 76: | Line 67: |
* Get clean bag laundered. | |
Line 78: | Line 68: |
* --(Swap out temporary ballast mass in BF)--, SF. | |
Line 80: | Line 69: |
* Lock washers for LBB dampers | |
Line 82: | Line 70: |
* 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 91: | Line 72: |
* 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 106: | Line 81: |
* 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). === Electronics === * Get cables/cards for SR3: * 5 DSub-37 cables (tent) * 5 DSub-15M to DSub-9M adapter cables (tent) * 3 DIO cards (tent) * 2 DSub-9 FF gender benders (for LVDTs) * extra ADC card(s)? * extra DAC card(s)? * BNC-LEMO adapter (for LVDTs) * etc |
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
2017-10-16
Main Assembly Sequence
- Repair broken and unreliable connections on LVDTs.
- Adjust LVDT zero positions to maximize usable range.
- If possible, reroute cable to eliminate need for fifth feedthrough.
- Measure IP period; adjust ballast mass.
- Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
- Set all EQ stops to TBD clearance.
- Get ready for full TFs.
- Borrow portable hard drive.
- Clean up sticker residue and magic marker writing.
Etc
- Move stuff out of PR2 area.
- Tidy/label parts.
- Move safety bars from BS AF area to SR2 area.
- (Put up safety bars in SR3 area.)
- Close hole in floor above BS AF area.
Software
Enter new IP matrices and do safe.snap.
Send stepper driver info to Miyo-kun.
- Update real-time model to number channels from #0.
- Remove old OL stuff; add link to new OL stuff.
- Remove unused screens.
- Sort out SVN.
Add support for comments to SUMCON.
- Create SUMCON model with values commented.
- Derive matrices for IP FRs.
Design
- Finalize redesign of IP yaw adjuster.
- Design better F0 FR adjuster.
Tasks Not To Forget
Major Tasks
- 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.