2640
Comment:
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2595
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Deletions are marked like this. | Additions are marked like this. |
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== 2017-10-16 == | == 2017-10-30 == |
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* 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. |
* Realign OL. * Design, install angular lock servo using OL. * Calibrate IP LVDT actuation against IP LVDT sensing. * Adjust gains and debug damping for IM OSEMs and GAS LVDTs. * Modify IP LVDT damping filters to include set point. * Set all EQ stops to TBD clearance. |
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* Set all EQ stops to TBD clearance. * Get ready for full TFs. * Borrow portable hard drive. * Clean up sticker residue and magic marker writing. |
* TFs. |
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* (Put up safety bars in SR3 area.) | * Put up safety bars in SR3 area. |
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* --(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.)-- | * Add support for comments to SUMCON. |
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* Derive matrices for IP FRs. | * Publish matrices for IP FRs. |
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* Wipe any rust from around IP LVDTs. * Update circuit diagram. * (Time permitting) Try adding mass to IP. |
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.
- Design, install angular lock servo using OL.
- Calibrate IP LVDT actuation against IP LVDT sensing.
- Adjust gains and debug damping for IM OSEMs and GAS LVDTs.
- Modify IP LVDT damping filters to include set point.
- Set all EQ stops to TBD clearance.
- Measure IP period; adjust ballast mass.
- Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
- 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.
Software
- 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.
- Publish matrices for IP FRs.
Design
- Finalize redesign of IP yaw adjuster.
- Design better F0 FR adjuster.
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.