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Size: 3569
Comment:
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Size: 2698
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 22: | Line 22: |
| == 2017-10-16 == | == 2017-10-30 == |
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| * --(Borrow portable hard drive.)-- * --(Remove sticker residue and permanent marker writing on PI.)-- * --(Fix broken and unreliable connections on IP LVDTs.)-- * --(Reconfigure the stepper motor cables for Miyo-kun.)-- * Wipe any rust from around IP LVDTs. * (If Enzo thinks it necessary and there's time) adjust IP LVDT mechanical offsets to maximize usable range and recalibrate. * --(Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.)-- |
* Realign OL. * Design, install angular lock servo using OL. |
| Line 33: | Line 28: |
| * --(Install damping filters for IP LVDTs.)-- | |
| Line 36: | Line 30: |
| * --(Install and debug IP LVDT and geophone diagonalization matrices.)-- * (Time permitting) Try adding mass to IP. * Work with alignment team. * Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed) * Work with Miyo-kun to get user interface for stepper motors. * --(Calibrate IP FR actuation against IP LVDT sensing.)-- * SR procurement. * --(Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.)-- * --(Reroute cable to eliminate need for fifth feedthrough.)-- |
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| Line 54: | Line 39: |
| * (Put up safety bars in SR3 area.) | |
| Line 58: | Line 42: |
| * --(Enter new IP matrices and do safe.snap.)-- * --(Send stepper driver info to Miyo-kun)--. |
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| Line 62: | Line 44: |
| * Do better interface to IP steppers (make a wrapper for Miyo-kun's driver which includes geometry matrix). | |
| Line 64: | Line 47: |
| * --(Add support for comments to SUMCON.)-- | * Add support for comments to SUMCON. |
| Line 66: | Line 49: |
| * --(Derive matrices for IP FRs.)-- | * Publish matrices for IP FRs. |
| Line 71: | Line 54: |
| * Design LBB ballast mass. | |
| Line 75: | Line 59: |
| * 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.
- 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.
- Do better interface to IP steppers (make a wrapper for Miyo-kun's driver which includes geometry matrix).
- 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.
- Design LBB ballast mass.
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.