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| Archived items are at ../ToDoOld. | |
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| [[#EveryWeek |Every Week]] | [[#EveryWeek|Every Week]] |
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| [[#ComingWeeks |Coming Weeks]] | [[#ComingWeeks|Coming Weeks]] |
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| * Get stuff from [[../WishList]] == December 2018 vent == * Look for cracks in F0 blades. * Install new yaw F0 stepper mechanism (if available). * Install new double-sided F0 fishing rod (have all parts except blades). * Add more mass to IP to get a lower frequency. * Service geophones (one has high noise, one has DC offset). * Re-calibrate F0 GAS LVDT. * Confirm the positions of the IP LVDTs and Actuators. * Tune LBB (adjust table height, damper height) - DON'T BOTHER (unless there's an excuse to open the lower half of the tank). |
* Get stuff from ../WishList |
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| === 2018-12-17 === | === 2019-02-04 === ==== Etc ==== * Get additional two camera viewports. * Get rid of all cable reels * Run cables for cameras (with Kokeyama-san). ==== BS ==== * Install BNC cables for stepper remote enable, and debug. ==== SR2 ==== * Check the IP stop height (if there's a excuse to open the tank). * Release LBB; add approximate final ballast. * Install GAS Filters control loops. '''(Enzo)''' * Install IM control loops. '''(Enzo)''' * Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height. * Install BNC cables for stepper remote enable, and debug. * Install camera viewport. * Install camera. * Split model. ==== SR3 ==== * Release the optical table again. * Adjust LBB damper and rods to give correct height and gap at mid-range on the blades. * Add approximate final ballast. * Install camera viewport. * Install camera. * Debug stepper remote enable. * Split model. |
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| * Install/test new yaw mechanism. * Adjust height. * Check/adjust optic pitch; release LED to SR2. * Install Enomoto-kun's beam target plate (if available). * Install extension cord for pico drivers. |
* Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height. * Install camera (with Kokeyama-san). * Set up TILT OL. * Set up LEN OL. * Adjust LBB damper and rods to give correct height and gap at mid-range on the blades. * Add approximate final ballast. * Wipe inside tank with Vectra-Alpha wipes and IPA. * Debug stepper remote enable. * Install Enomoto-kun's beam target plate (if/when available). * Split model. == Tasks To Be Scheduled == ==== BS ==== * Tune BS LBB (adjust table height, damper height) - DON'T BOTHER (unless there's an excuse to open the lower half of the tank). * Replace BS F0 thrust bearing and yaw adjuster - BIG JOB, DON'T BOTHER (unless lack of yaw adjustment becomes a major problem). ==== SR2 ==== ==== SR3 ==== ==== SRM ==== |
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| * Seal geophones. * Install geophones and arc weights. * Center IP. ==== SR3 ==== * Install/test new yaw mechanism. * Adjust height. * Realign OL. |
* Put FC on SRM-W and install it in its holder with 1.4 mm shims ready for possible use. |
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| ==== SR2 ==== * Install/test new yaw adjuster. * Adjust height. * Get top plate reduced? * Set up OL cabling. * Set up OL. * Remove tape, writing etc on PI and PI items. * Add new feedthrough to lower part of tank (with Izumi-san-tachi)? * Install cable for MIF pico on LBB (with Izumi-san-tachi)? * Add ballast mass to LBB. <<Anchor(SRPrepTasks)>> == SR Prep Tasks - To Be Scheduled == |
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| * Check SR2, SR3 TM coil gains for magnet polarity compensation. | * Check SR2, SR3 TM coil gains for magnet polarity compensation. |
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| * Write generic Type B Guardian; make BS and SR3 inherit from it; make analog WD optional for now (all suspensions will get them eventually). | |
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| * --(Get picomotor drivers back on line.)-- * --(Debug BS BIO connections, especially PI IP.)-- |
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| === Main Assembly Sequence === * Necessary for phase-I★★★ * --(Modify IP LVDT damping filters to include set point.)-- * --(TFs.)-- * '''''EXCHANGE YAW/VERT FRs at F0''''' * Necessary for phase-II★★ * Debug BS geophones. * Flip circuit boards in BS geophones to make them the same as SRx. * Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553) * Design PI Sensor blending filter. * Tune the LVDT sensitivity * Measure IP period; adjust ballast mass. * At some point (remotely)★ * Improve OL offloading. * Improve GAS offloading. * Spectral analysis of Oplev. * Design, install angular lock servo using OL. (Almost done for phase-I) * Adjust gains and debug damping for IM OSEMs and GAS LVDTs. (Almost done for phase-I) * Subtract DC level of Geophones. * Spectra analysis of PI sensors (PI LVDTs and Geophones). * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs. * Set all EQ stops to TBD clearance. * Modify the model for IP coil driver control |
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| * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san). * Figure out how to make PI yaw adjustment reliable. |
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| * --(Return/replace temporary ballast mass (dog clamps).)-- * Characterize replacement F0. * --(Wipe/clean arc weights that were rained on.)-- |
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VIS Type B To-Do List
Archived items are at ../ToDoOld.
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
2019-02-04
Etc
- Get additional two camera viewports.
- Get rid of all cable reels
- Run cables for cameras (with Kokeyama-san).
BS
- Install BNC cables for stepper remote enable, and debug.
SR2
- Check the IP stop height (if there's a excuse to open the tank).
- Release LBB; add approximate final ballast.
Install GAS Filters control loops. (Enzo)
Install IM control loops. (Enzo)
- Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height.
- Install BNC cables for stepper remote enable, and debug.
- Install camera viewport.
- Install camera.
- Split model.
SR3
- Release the optical table again.
- Adjust LBB damper and rods to give correct height and gap at mid-range on the blades.
- Add approximate final ballast.
- Install camera viewport.
- Install camera.
- Debug stepper remote enable.
- Split model.
SRM
- Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height.
- Install camera (with Kokeyama-san).
- Set up TILT OL.
- Set up LEN OL.
- Adjust LBB damper and rods to give correct height and gap at mid-range on the blades.
- Add approximate final ballast.
- Wipe inside tank with Vectra-Alpha wipes and IPA.
- Debug stepper remote enable.
- Install Enomoto-kun's beam target plate (if/when available).
- Split model.
Tasks To Be Scheduled
BS
- Tune BS LBB (adjust table height, damper height) - DON'T BOTHER (unless there's an excuse to open the lower half of the tank).
- Replace BS F0 thrust bearing and yaw adjuster - BIG JOB, DON'T BOTHER (unless lack of yaw adjustment becomes a major problem).
SR2
SR3
SRM
- Find two geophone cables used by Okutomi-san. (I looked in the second floor EXV room but didn't find them - Mark.)
- Find one geophone cable ordered for SRM but missing.
- Rearrange miswired geophone cable.
- Rebuild defective geophone cable.
- Put FC on SRM-W and install it in its holder with 1.4 mm shims ready for possible use.
Tunnel
- Get at least one BIO Converter chassis fully connected (CONTEC BIO card, WD and stepper motor chassis) for implementation and test of stepper motor reset function.
- Check SR2, SR3 TM coil gains for magnet polarity compensation.
- Replace chipped magnets (12x12x12 mm) in SR3 IP, H1 and H2.
Mitaka or remotely
- (Continue to) soak the sapphire prisms off the dummy BS for reuse on the SRM metal mass.
- Install damping filters for SR2.
- Review DAC channel requests.
- Split SRx real-time models?
ASAP
Documentation and Operation Manual
- Add useful info from Enzo's notebook to BSData.
Tasks Not To Forget
Major Tasks
Move safety bars from BS AF area to SR2 area.
- Update circuit diagram.
- (Time permitting) Try adding mass to IP.
- Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
Minor Tasks
Mechanical
- Put pointy-tipped screw in RM trolley for BS
Electrical
- Update BS Circuit diagram, D1503600
Note removal of LED/PD on TM OSEMs.
- Organize stepper reset system and watchdog BIO.
- Include information on assignment of channels to feedthrough positions.
- Reflect gender-changers and non-flipping feedthrough adapters.
- Reflect actual cable lengths.
- Include LVDT pin size (1 mm).
- Include Stepper pin size (1.6 mm).
Undo renumbering of IP items.
Page 10: "DIO Card # 0" should be "DIO Card # 1"
Include OutConfigBoards on OL page (Sheet 18).
Update HPCD section to reflect:
All three GAS channels are on HPCD #1 and DIO Card #2, CNB cables, Sheet 13.
Three IP channels are on HPCD #0 and DIO Card #2, CNA cables, Sheet 15.
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.