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= VIS Type B Near Term To-Do List = | = VIS Type B BS Near Term To-Do List = |
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2017-04-03 | [[../ToDoOldBS|Archived BS To-Do Items]] |
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== Facilities (mostly full team) == * Clean up after floor work. |
[[../ToDoSR|SR To-Do Items]] [[#EveryWeek |Every Week]] [[#ComingWeeks |Coming Weeks]] <<Anchor(EveryWeek)>> == Every Week == === Facilities === |
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* Get stuff from [[../WishList]] | |
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== Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry) == * Reroute in-vacuum cables up to SF level; add in-vacuum extension cables if necessary. * Test SF LVDT. * Test SF fishing rod stepper. |
<<Anchor(ComingWeeks)>> |
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== Electronics (mostly Enzo, Mark) == * Make more anti-feedthrough adapters. * Add retaining screws to cables at feedthroughs (mostly done, needs finishing). * Work with Miyo-kun to get pico drivers added to BS rack and screens * Update E1503600 with DIO card for HPCDs, etc, etc. * Decide final length for BS OSEM cables (Enzo, Mark, Fabian) * Send list of required in-vacuum cables to Takahashi-san |
== 2017-10-30 == === Main Assembly Sequence === * --(Realign OL.)-- * Cover OL with foil. * Offload IP P&Y offsets to picos. * Diagonalize 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. <<Anchor(RealBSHang)>> == 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 [[https://dcc.ligo.org/LIGO-T1100378/public|LIGO-T1100378]]). |
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* Make spreadsheet on Google Docs or the like with in-vacuum cable inventory (Hirata) == PI Prep == * Prepare PI for moving. * Remove accelerometers. * Remove large weights. * Remove arc weights (move some to second floor, wrap rest for storage). * Attach lifting plates. * Wrap with clingwrap, cover with spare cleanbag. * Clear path to remove PI with forklift. * Move worktables. * Move portable cleanroom. * Shutdown rack and move electrical cables. * Prepare second floor for receiving PI. * Clean and clingwrap pallet. * Double-check dimensions. * Disconnect fan cables, curtain. * Crane PI into clean booth. * Finish reattaching repaired LVDT coil(s) and redoing connectors with correct gender. * Install fishing rod. * Find table, weights, etc for use with LBB blade bending jigs. * Install LLB blades. * Install LLB blade units in PI. == Real-time and SUMCON models (mostly Perry, Mark) == * Get Perry (and Enzo) set up with SUMCON. * Update SUMCON model of full BS. * Do cut-down SUMCON model of just payload hanging from fixed BS. * Compare measured TFs to cut-down model(s). * Create a proper DAC Monitor MEDM screen. * Improve ADC Monitor MEDM screen. |
* 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. |
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.
- Cover OL with foil.
Offload IP P&Y offsets to picos.
- Diagonalize 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.