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* [[https://gwpo.nao.ac.jp/wiki/ATCstandalone|Standalone Machine in ATC]] * '''Mechanical design''': [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6336|Mechanical design of TMS Vibration Isolation Stage (by Uraguchi-san)]] * '''Ref''': [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6260| design of blade spring for TMS VIS stage (in Japanese) (by Uraguchi-san)]] * '''Ref''': [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5752| mechanical model of TMS VIS (in Japanese) (by Uraguchi-san)]] * '''Ref''': [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8502|TMS VIS coordinate (in Japanese) (by Uraguchi-san)]] |
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* '''Ref''': [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4155|A Study of Low Frequency Vibration Isolation System for Large Scale Gravitational Wave Detectors (by Sekiguchi)]] * Memo: [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8480]] * note: [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8508]] * メモ: [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/subgroup/AOS/TMS-VIS0/2018-09-12]] |
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Be careful! The pin assignment in the Dsub shell or the signal phases would be different from the below for #1 and #2, as I needed to once detach the pins when I installed the LVDTs (Akutsu). * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8464|Coil inspection report (JGW-T1808464)]] |
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=== Polarity & Calibration Factor === * V: postive means that the LVDT outputs positive counts when TMS-VIS moves upward, and so the calibration factors are set. * H: postive means that the LVDT outputs positive counts when TMS-VIS moves positive yaw (counter clock wise from top view), and so the calibration factors are set. ||'''Sensor'''|| Serial#|| polarity || calibration factor || || LVDT V1 || || negative ||-0.149 [um/cnt] || || LVDT V2 || ||positive || 0.138 [um/cnt] || || LVDT V3 || ||negative ||-0.135 [um/cnt] || || LVDT H1 || ||positive || 0.154 [um/cnt] || || LVDT H2 || ||positive || 0.146 [um/cnt] || || LVDT H3 || ||positive || 0.150 [um/cnt] || |
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Be careful! The pin assignment in the Dsub shell or the signal phases would be different from the below, as I needed to once detach the pins when I installed the coils (Akutsu). * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8465|Coil inspection report (JGW-T1808465)]] |
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=== Polarity & Calibration Factor === * V: postive means upward (TMS-VIS moves in upward by inputting positive value to the act coils from MEDM) * H: positive means plus yaw (TMS-VIS moves in counter clock wise from top view by inputting positive value to the act coils from MEDM) ||'''Actuator'''|| polarity ||Serial#|| || COIL V1 || positive || || || COIL V2 || positive || || || COIL V3 || positive || || || COIL H1 || negative (obsolete) -> || || || COIL H2 || positive (obsolete)-> || || || COIL H3 || positive (obsolete) -> || || |
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* [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8466|Data sheets of the geophones (JGW-T1808466)]] | |
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|| Serical# of L-4C||Vert/Horiz||Naming of the assembled unit||Assembler|| || 404080975 || Vert || || || || 404080976 || Vert || TMS-VISX: Geo-V2|| Akutsu || || 404080977 || Vert || || || || 404080978 || Vert || || || || 404084240 || Vert || || || || 404084241 || Vert || TMS-VISX: Geo-V3|| Akutsu || || 404084242 || Vert || TMS-VISX: Geo-V1|| Fujii -> Akutsu || || 2 || Horiz|| TMS-VISX: Geo-H3|| Akutsu -> Uraguchi || || 3 || Horiz|| || || || 4 || Horiz|| TMS-VISX: Geo-H1|| Akutsu || || 5 || Horiz|| TMS-VISX: Geo-H2|| Akutsu || || 15 || Horiz|| || || || 16 || Horiz|| || || || 17 || Horiz|| || || |
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== Cabling == * LVDT/Act - (coil wires) - Dsub9M - (Dsub9F - PTFE 2m - Dsub9F) - Dsub9M flange - Flipper cable - Dsub Cable * Geophone - (MIL C 26482 - PTFE 0.5m - Dsub9M) - (Dsub9F - 1.5m PTFE - Dsub9F) - Dsub9M flange - Flipper cable - Dsub Cable * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8452|PTFE cables]] |
Transmission Monitor's Vibration Isolation Stage: preparation (TMS-VIS)
- With a fixed stage.
- TMS = BRT (beam reducing telescope) + GPT (Gouy phase telescope)
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Links to knowledge
Mechanical design: Mechanical design of TMS Vibration Isolation Stage (by Uraguchi-san)
Ref: design of blade spring for TMS VIS stage (in Japanese) (by Uraguchi-san)
Ref: mechanical model of TMS VIS (in Japanese) (by Uraguchi-san)
Memo: https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8480
note: https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8508
メモ: http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/subgroup/AOS/TMS-VIS0/2018-09-12
LVDTs
Be careful! The pin assignment in the Dsub shell or the signal phases would be different from the below for #1 and #2, as I needed to once detach the pins when I installed the LVDTs (Akutsu).
http://klog.icrr.u-tokyo.ac.jp/osl/?r=5046: note: LVDT1's coil wires were broken.
http://klog.icrr.u-tokyo.ac.jp/osl/?r=5106: note: LVDT6's coil wires were broken.
Polarity & Calibration Factor
- V: postive means that the LVDT outputs positive counts when TMS-VIS moves upward, and so the calibration factors are set.
- H: postive means that the LVDT outputs positive counts when TMS-VIS moves positive yaw (counter clock wise from top view), and so the calibration factors are set.
Sensor |
Serial# |
polarity |
calibration factor |
LVDT V1 |
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negative |
-0.149 [um/cnt] |
LVDT V2 |
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positive |
0.138 [um/cnt] |
LVDT V3 |
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negative |
-0.135 [um/cnt] |
LVDT H1 |
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positive |
0.154 [um/cnt] |
LVDT H2 |
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positive |
0.146 [um/cnt] |
LVDT H3 |
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positive |
0.150 [um/cnt] |
Actuator coils
Be careful! The pin assignment in the Dsub shell or the signal phases would be different from the below, as I needed to once detach the pins when I installed the coils (Akutsu).
- Tanioka-kun's efforts in 2017
Polarity & Calibration Factor
- V: postive means upward (TMS-VIS moves in upward by inputting positive value to the act coils from MEDM)
- H: positive means plus yaw (TMS-VIS moves in counter clock wise from top view by inputting positive value to the act coils from MEDM)
Actuator |
polarity |
Serial# |
COIL V1 |
positive |
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COIL V2 |
positive |
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COIL V3 |
positive |
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COIL H1 |
negative (obsolete) -> |
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COIL H2 |
positive (obsolete)-> |
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COIL H3 |
positive (obsolete) -> |
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Geophones
Serical# of L-4C |
Vert/Horiz |
Naming of the assembled unit |
Assembler |
404080975 |
Vert |
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404080976 |
Vert |
TMS-VISX: Geo-V2 |
Akutsu |
404080977 |
Vert |
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404080978 |
Vert |
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404084240 |
Vert |
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404084241 |
Vert |
TMS-VISX: Geo-V3 |
Akutsu |
404084242 |
Vert |
TMS-VISX: Geo-V1 |
Fujii -> Akutsu |
2 |
Horiz |
TMS-VISX: Geo-H3 |
Akutsu -> Uraguchi |
3 |
Horiz |
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4 |
Horiz |
TMS-VISX: Geo-H1 |
Akutsu |
5 |
Horiz |
TMS-VISX: Geo-H2 |
Akutsu |
15 |
Horiz |
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16 |
Horiz |
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17 |
Horiz |
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Cabling
- LVDT/Act - (coil wires) - Dsub9M - (Dsub9F - PTFE 2m - Dsub9F) - Dsub9M flange - Flipper cable - Dsub Cable
- Geophone - (MIL C 26482 - PTFE 0.5m - Dsub9M) - (Dsub9F - 1.5m PTFE - Dsub9F) - Dsub9M flange - Flipper cable - Dsub Cable
Task list
Note: some of the tasks can be done in parallel.
Signal Assign
Pin Name |
Resistance |
Equipment |
Assign |
Comment1 |
Comment2 |
Connection |