2760
Comment:
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2640
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Deletions are marked like this. | Additions are marked like this. |
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== 2017-10-02 == | == 2017-10-16 == |
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* Account for second bubble level (might be on BF). | * 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. |
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* Remove LVDT modules; identify and replace screws. * Check that all in-air cables are labeled. * If possible, reroute cable to eliminate need for fifth feedthrough. * Debug all electronics, especially actuation. * --(Check IP yaw.)-- * --(Recheck centering of suspension in assembly frame.)-- * Measure IP period; adjust ballast mass. * Calibrate all LVDTs (Enzo, Mark). --(BF)--, --(SF)--, --(PI-GAS)--, PI-H1, PI-H2, PI-H3 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs. * Set all EQ stops to proper clearance. * Install small KOACH filters on LBB. * Remove First Contact. * Cable optical lever (Simon, Enzo) * Align optical lever (Simon) * Get ready for full TFs. |
=== 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. |
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* Enter new IP matrices and do safe.snap. * Get pico drive screens fixed (Miyo-kun) |
* --(Enter new IP matrices and do safe.snap.)-- * --(Send stepper driver info to Miyo-kun)--. |
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* --(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. |
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* Get clean bag laundered. | |
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* Lock washers for LBB dampers | |
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* Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match. |
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.