Size: 2841
Comment:
|
Size: 2795
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 22: | Line 22: |
== 2017-10-02 == | == ASAP == |
Line 24: | Line 24: |
=== SR2 stuff === * Replace BS service port covers, or reinforce foil with tape. * Cling-wrap or move: * White plastic table * Writing table * Tall metal table |
* '''Remove non-vacuum-compatible ballast from LBB.''' |
Line 33: | Line 27: |
* Check for bubble level and other tools in tank. * Remove stickers on IP and clean with ethanol (some were missed last time). * Wipe rusty screws on IP LVDTs and surrounding area with ethanol-soaked wipe. * Check that all in-air cables are labeled. * Fix broken pico adapter cable? * If possible, reroute cable to eliminate need for with 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. * Get ready for full TFs. |
* Necessary for phase-I★★★ * --(Modify IP LVDT damping filters to include set point.)-- * --(TFs.)-- * '''''EXCHANGE YAW/VERT FRs at F0''''' * Check IP BIO is working or not. |
Line 48: | Line 33: |
=== Software === * Enter new IP matrices and do safe.snap. * Get pico drive screens fixed (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. |
* Necessary for phase-II★★ * 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. * Re-calibrate F0 GAS LVDT * 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 === Documentation and Operation Manual === * Add useful info from Enzo's notebook to BSData. |
Line 59: | Line 58: |
* Move safety bars from BS AF area to SR2 area. * Close hole in floor above BS AF area. * Update circuit diagram. * (Time permitting) Try adding mass to IP. |
|
Line 65: | Line 68: |
* Get clean bag laundered. | |
Line 68: | Line 70: |
* Lock washers for LBB dampers | |
Line 70: | Line 71: |
* Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match. | |
Line 81: | Line 81: |
* 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
ASAP
Remove non-vacuum-compatible ballast from LBB.
Main Assembly Sequence
- Necessary for phase-I★★★
Modify IP LVDT damping filters to include set point.
TFs.
EXCHANGE YAW/VERT FRs at F0
- Check IP BIO is working or not.
- Necessary for phase-II★★
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.
- Re-calibrate F0 GAS LVDT
- 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
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.
- Close hole in floor above BS AF area.
- 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.