1440
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 | [[../ToDoOldBS|Archived BS To-Do Items]] [[../ToDoSR|SR To-Do Items]] [[#EveryWeek |Every Week]] [[#ComingWeeks |Coming Weeks]] <<Anchor(EveryWeek)>> |
Line 10: | Line 18: |
* Get stuff from [[../WishList]] | |
Line 11: | Line 20: |
== 2017-05-22 == | <<Anchor(ComingWeeks)>> |
Line 13: | Line 22: |
== Facilities == | == 2017-10-16 == |
Line 15: | Line 24: |
== Design/Purchasing == * Order longer threaded rods for arc weights on PI. * Design, order modifications to LBB blade springs. * Get more cable ties. * Get more duckboards. |
=== 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 21: | Line 36: |
=== Main Assembly === * --(Find geophone adapter plates.)-- * Lift PI and hang LBB damper ring. * Crane PI back in. * Install rod, this time with hex cable clamp. * Re-hook SF/... section. * Install geophones. |
=== 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 29: | Line 43: |
=== Electronics === * Debug and calibrate SF LVDT. * Debug stepper motors. * Put connector on PI vertical LVDT wires per E1503600-v13 Sheet 5. * Make two more (in-air) geophone unscrambler cables per E1503600-v13 Sheet 8. * Complete cabling of PI stuff (steppers, LVDTs, geophones) through to rack and test. * Send cable spreadsheet to Sato-san. |
=== 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. <<Anchor(RealBSHang)>> == 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 [[https://dcc.ligo.org/LIGO-T1100378/public|LIGO-T1100378]]). |
Line 37: | Line 77: |
== Real-time and SUMCON models == |
|
Line 43: | Line 81: |
* Create a proper DAC Monitor MEDM screen. * Improve ADC Monitor MEDM screen. |
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.