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| == Paper == * --(Review Type Bp paper)-- * --(Choose paper title)-- -> "Vibration isolation systems for the beam splitter and signal recycling mirrors of the KAGRA gravitational wave detector"? * --(Create JGWDoc number for paper)-- -> [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9836|P1909836]] * --(Decide paper author list)-- -> KAGRA Author List 2019? * Write Type B paper abstract * Write paper outline * Write Type B paper Section 1 Introduction * Vibration isolation systems in KAGRA * Write Section 2.1 Overview * Steal or reproduce Type Bp Figure 1 (optic layout) * Steal or reproduce Type Bp paper Figure 2 (suspension comparison) * Write Section 2.2 Requirements for Type B * Write Section 3 Design of the Type-B suspension * Write Section 3.1 Mechanical * Choose photo of Type B suspension in mid-air * Make diagram of Type B in vacuum chamber * Write Section 3.2 Sensors and Actuators * Write Section 3.3 Control and Damping * Make controls diagram like Type Bp paper Figure 7 * Write Section 4 Measured performance * Write Section 4.1 Damping Time * Make decay time plot like Type Bp paper Figure 8 * Write Section 4.2 Residual Velocity * Write Section 4.3 Residual Angular Fluctuations * Write Section 4.4 Vibration Isolation Performance * Write Section 5 Summary * Write Section 6 Acknowledgments * Write References Section |
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| === Facilities === | |
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| === 2019-02-04 === ==== Etc ==== * Get additional two camera viewports. * Get rid of all cable reels * Run cables for cameras (with Kokeyama-san). |
== 2019-03-18 == === Etc === * Tidy up. * Throw out foil and other garbage. * Gather and clean tools. * Gather and organize unused parts and fasteners. * Pull out unused cables in cable tray near SR3. * Return all unused cables to tent. * Move charging station to more convenient location (e.g., near -X entrance). * Make cheat sheet for BIO Config cards and put one in each rack. See [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2081| D1302081]] === BS === * IMPORTANT!!!!!!!!!!!!!!!!!!! Check IP H2 connection! * Improve immobilization of OL breadboard. * Reinstall LEN OL. * Double-check calibration of IP H3 LVDT: is the offset of ≈-805 µm at mechanical zero from klog 8377 correct per previous klogs etc? === SR2 === * --Recalibrate OL with improved procedure.-- * Do pitch/longitudinal decoupling. L2P filter * Tidy up cables in rear of SR2 rack. |
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| ==== BS ==== * Install BNC cables for stepper remote enable, and debug. |
=== SR3 === * Recalibrate OL with improved procedure. * Check pico cables (one may have been stolen for SRM). * Choose optimum BIO Config board switch settings. |
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| ==== 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. |
=== SRM === * Set up LEN OL. * Design/install control filters. * Set up SRM Guardian. * Check pico adapter cables. * Debug 240 Hz noise in LVDT. * Get thermometer for SRM booth. * Choose optimum BIO Config board switch settings. |
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| ==== 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. <<Anchor(RealBSHang)>> == 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 ==== |
== Minor Tasks == === Mechanical === |
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| ==== Electrical ==== | == Electronics == * Install Tanaka-san's LVDT sig gen cards (when available). * Test stepper remote enable system. * Put SR3 cleanbooth electronics in minirack. |
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| * Organize stepper reset system and watchdog BIO. | * Add stepper remote enable system. * Include watchdog. |
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| * Add default and as-built stepper channel assignments. | |
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| ==== Real-time and SUMCON models ==== * Create SUMCON models for full BS and major installation milestones. |
== Real-time and SUMCON models == |
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| * Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark) | * Make table of ADC/DAC assignments and check for consistency with D1503600. |
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== Guardian == == Documentation and Operation Manual == * Add useful info from Enzo's notebook to BSData/etc. == OLs == * Design/procure/install permanent hard protective boxes. == One Day, If Ever Needed == === 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). === SR3 === * Replace chipped magnets (12x12x12 mm) in SR3 IP, H1 and H2. === SRM === * Install Enomoto-kun's beam target plate (if/when available). * Put FC on SRM-W and install it in its holder with 1.4 mm shims ready for possible use. |
VIS Type B To-Do List
Archived items are at ../ToDoOld.
Paper
Review Type Bp paper
Choose paper title -> "Vibration isolation systems for the beam splitter and signal recycling mirrors of the KAGRA gravitational wave detector"?
Create JGWDoc number for paper -> P1909836
Decide paper author list -> KAGRA Author List 2019?
- Write Type B paper abstract
- Write paper outline
- Write Type B paper Section 1 Introduction
- Vibration isolation systems in KAGRA
- Write Section 2.1 Overview
- Steal or reproduce Type Bp Figure 1 (optic layout)
- Steal or reproduce Type Bp paper Figure 2 (suspension comparison)
- Write Section 2.1 Overview
- Write Section 2.2 Requirements for Type B
- Write Section 3 Design of the Type-B suspension
- Write Section 3.1 Mechanical
- Choose photo of Type B suspension in mid-air
- Make diagram of Type B in vacuum chamber
- Write Section 3.2 Sensors and Actuators
- Write Section 3.3 Control and Damping
- Make controls diagram like Type Bp paper Figure 7
- Write Section 3.1 Mechanical
- Write Section 4 Measured performance
- Write Section 4.1 Damping Time
- Make decay time plot like Type Bp paper Figure 8
- Write Section 4.2 Residual Velocity
- Write Section 4.3 Residual Angular Fluctuations
- Write Section 4.4 Vibration Isolation Performance
- Write Section 4.1 Damping Time
- Write Section 5 Summary
- Write Section 6 Acknowledgments
- Write References Section
Every Week
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
2019-03-18
Etc
- Tidy up.
- Throw out foil and other garbage.
- Gather and clean tools.
- Gather and organize unused parts and fasteners.
- Pull out unused cables in cable tray near SR3.
- Return all unused cables to tent.
- Move charging station to more convenient location (e.g., near -X entrance).
Make cheat sheet for BIO Config cards and put one in each rack. See D1302081
BS
- IMPORTANT!!!!!!!!!!!!!!!!!!! Check IP H2 connection!
- Improve immobilization of OL breadboard.
- Reinstall LEN OL.
- Double-check calibration of IP H3 LVDT: is the offset of ≈-805 µm at mechanical zero from klog 8377 correct per previous klogs etc?
SR2
- --Recalibrate OL with improved procedure.--
- Do pitch/longitudinal decoupling. L2P filter
- Tidy up cables in rear of SR2 rack.
SR3
- Recalibrate OL with improved procedure.
- Check pico cables (one may have been stolen for SRM).
- Choose optimum BIO Config board switch settings.
SRM
- Set up LEN OL.
- Design/install control filters.
- Set up SRM Guardian.
- Check pico adapter cables.
- Debug 240 Hz noise in LVDT.
- Get thermometer for SRM booth.
- Choose optimum BIO Config board switch settings.
Minor Tasks
Mechanical
- Put pointy-tipped screw in RM trolley for BS
Electronics
- Install Tanaka-san's LVDT sig gen cards (when available).
- Test stepper remote enable system.
- Put SR3 cleanbooth electronics in minirack.
- Update BS Circuit diagram, D1503600
Note removal of LED/PD on TM OSEMs.
- Add stepper remote enable system.
- Include watchdog.
- Include information on assignment of channels to feedthrough positions.
- Reflect gender-changers and non-flipping feedthrough adapters.
- Add default and as-built stepper channel assignments.
- 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 controls design description (cf LIGO-T1100378).
- Make table of ADC/DAC assignments and check for consistency with D1503600.
- 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.
Guardian
Documentation and Operation Manual
- Add useful info from Enzo's notebook to BSData/etc.
OLs
- Design/procure/install permanent hard protective boxes.
One Day, If Ever Needed
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).
SR3
- Replace chipped magnets (12x12x12 mm) in SR3 IP, H1 and H2.
SRM
- Install Enomoto-kun's beam target plate (if/when available).
- Put FC on SRM-W and install it in its holder with 1.4 mm shims ready for possible use.