Differences between revisions 1 and 9 (spanning 8 versions)

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. Summary by Koji Arai is here.
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.

-  ⇤ ← Revision 1 as of 2016-04-21 16:55:22 → 
  Size: 908
  Editor: YutaMichimura
  Comment:
+   ← Revision 9 as of 2016-04-23 22:22:21 → ⇥
  Size: 2014
  Editor: KazuhiroYamamoto
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 2:
-|| ||||||||<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''' ||??? ||??? ||??? ||??? ||
-Line 11:
+Line 15:
-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. Summary by Koji Arai is here.
 * 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.
-Line 13:
+Line 20:
-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]]