Differences between revisions 1 and 8 (spanning 7 versions)
Revision 1 as of 2016-04-21 16:55:22
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Revision 8 as of 2016-04-21 17:24:10
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|| ||||||||<style="text-align:center">TM ||||||||<style="text-align:center">IM ||
||Suspension ||coil ||magnet ||coil-magnet ||coil driver ||coil ||magnet ||coil-magnet ||coil driver ||
||MCi/e/o (Type-C) ||40 turns ||NdFeB || || || || || || ||
||PR2/3/M (Type-Bp) ||600 turns ||SmCo 6mm dia, 3mm thick ||0.129 N/A at max|| || || || || ||
||BS (Type-B) ||600 turns ||SmCo 2mm dia, 3mm thick ||0.129 N/A at max|| || || || || ||
||SR2/3/M (Type-B) ||600 turns ||SmCo 2mm dia, 5mm thick ||0.129 N/A at max|| || || || || ||
||ITM/ETM (Cryopayload) ||600 turns(?) 500turns(?) ||SmCo(?) 2mm dia, 2mm thick ||??? || || || || || ||
||suspension and stage ||coil ||magnet ||coil-magnet ||coil driver ||
||MCi/e/o (Type-C) '''TM''' ||40 turns ||NdFeB 1mm dia, 5mm thick || 0.0014 N/A at max ||TAMA ||
||'''IM''' ||- ||- ||- ||- ||
||PR2/3/M (Type-Bp) '''TM''' ||600 turns ||Sm``Co 6mm dia, 3mm thick ||0.129 N/A at max ||high power ||
||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||high power ||
||BS (Type-B) '''TM''' ||600 turns ||Sm``Co 2mm dia, 3mm thick ||0.0313N/A at max ||low power ||
||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power ||
||SR2/3/M (Type-B) '''TM''' ||600 turns ||Sm``Co 2mm dia, 5mm thick ||N/A at max ||low power ||
||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power ||
||ITM/ETM (Cryopayload) '''TM''' ||600/500 turns(?) ||Sm``Co(?) 2mm dia, 2mm thick ||??? ||??? ||
||'''IM''' ||??? ||??? ||??? ||??? ||
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BS TM: SmCo 2mm dia, 3mm thick BS IM: SmCo 10mm dia, 10mm thick == Coil Drivers ==
 * TAMA coil driver has 50 Ohm, 20 mA/V. EL2099, 440 mA at max.
 * Low Power Coil Driver ([[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3507|JGW-D1503507]]) has 7.8 kOhm at DC (1.3 kOhm above 312 Hz), 0.128 mA/V at DC. AD8671, 10 mA at max.
 * High Power Coil Driver ([[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3503|JGW-D1503503]]) has 73 Ohm, 13.6 mA/V at DC. OPA548, 3 A at max.
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PRs TM: SmCo 6mm dia, 3mm thick PRs IM: SmCo 10mm dia, 10mm thick

SRs TM: SmCo 2mm dia, 5mm thick SRs IM: SmCo 10mm dia, 10mm thick

== Coil Drivers ==
== Related Documents ==
 * Actuator Noise Modeling Report [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=3453|JGW-T1503453]]
 * BS Actuator Design (including design for SRs and PRs) [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=4450|JGW-T1504450]]
 * OSEM Coil/Magnet/Flag Calculation [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=3239|JGW-T1503239]]
 * Magnetic noise calculation for BS (and ETM/ITM, PRM/SRM) [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=4459|JGW-T1504459]]

bKAGRA Suspensions Actuator Design Summary

suspension and stage

coil

magnet

coil-magnet

coil driver

MCi/e/o (Type-C) TM

40 turns

NdFeB 1mm dia, 5mm thick

0.0014 N/A at max

TAMA

IM

-

-

-

-

PR2/3/M (Type-Bp) TM

600 turns

SmCo 6mm dia, 3mm thick

0.129 N/A at max

high power

IM

600 turns

SmCo 10mm dia, 10mm thick

1.12 N/A at max

high power

BS (Type-B) TM

600 turns

SmCo 2mm dia, 3mm thick

0.0313N/A at max

low power

IM

600 turns

SmCo 10mm dia, 10mm thick

1.12 N/A at max

low power

SR2/3/M (Type-B) TM

600 turns

SmCo 2mm dia, 5mm thick

N/A at max

low power

IM

600 turns

SmCo 10mm dia, 10mm thick

1.12 N/A at max

low power

ITM/ETM (Cryopayload) TM

600/500 turns(?)

SmCo(?) 2mm dia, 2mm thick

???

???

IM

???

???

???

???

Coil Drivers

  • TAMA coil driver has 50 Ohm, 20 mA/V. EL2099, 440 mA at max.
  • Low Power Coil Driver (JGW-D1503507) has 7.8 kOhm at DC (1.3 kOhm above 312 Hz), 0.128 mA/V at DC. AD8671, 10 mA at max.

  • High Power Coil Driver (JGW-D1503503) has 73 Ohm, 13.6 mA/V at DC. OPA548, 3 A at max.

KAGRA/Subgroups/VIS/ActuatorDesign (last edited 2017-07-21 12:13:39 by YutaMichimura)