Differences between revisions 1 and 5 (spanning 4 versions)
Revision 1 as of 2018-04-29 11:18:26
Size: 2236
Comment:
Revision 5 as of 2018-04-29 11:44:19
Size: 3802
Comment:
Deletions are marked like this. Additions are marked like this.
Line 31: Line 31:
||'''Sensor'''||'''Efficiency [um/cnt]'''||
|| F0-LVDT ||<)> ||
|| F2-LVDT ||<)> ||
|| F3-LVDT ||<)> ||
/* {{attachment:calibLVDT_ETMX_IPH1_20171012.png||width=33%,align="left"}} */
/* {{attachment:calibLVDT_ETMX_IPH2_20171012.png||width=33%,align="center"}} */
/* {{attachment:calibLVDT_ETMX_IPH3_20171012.png||width=33%,align="right"}} */
Line 34: Line 42:
|| LVDT H1 ||<)> -0.258 ||
|| LVDT H2 ||<)> -0.252 ||
|| LVDT H3 ||<)> -0.233 ||
|| LVDT H1 ||<)> ||
|| LVDT H2 ||<)> ||
|| LVDT H3 ||<)> ||
Line 73: Line 81:
== actuation polarization ==


'''TM-stage'''
|| COIL || sign ||
|| H1 || ||
|| H2 || ||
|| H3 || ||
|| H4 || ||

'''IM-stage'''
|| COIL || sign ||
|| H1 || ||
|| H2 || ||
|| H3 || ||
|| || ||
|| V1 || ||
|| V2 || ||
|| V3 || ||


'''IP-stage'''
|| COIL || sign ||
|| H1 || ||
|| H2 || ||
|| H3 || ||


=== Diagonalization matrix ===

 * ACC2EUL
||'''H1'''||'''H2'''||'''H3'''||'''To:'''||
|| ** || || || ||
|| ** || || || ||
|| ** || || || ||

 * LVDT2EUL
||'''H1'''||'''H2'''||'''H3'''||'''To:'''||
|| || || ||''Long.''||
|| || || ||''Trans.''||
|| || || ||''Yaw'' ||

 * EUL2COIL
||'''Long.'''||'''Trans.'''||'''Yaw'''||'''To:'''||
|| || || ||''H1''||
|| || || ||''H2''||
|| || || ||''H3''||
Line 74: Line 130:

== Stepper motor ==
''See also:'' [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DGS/Projects/StepperMotor|Stepper motor setup]]

||<:-6> ''Epics channel name: K1:STEPPER_***_IP'' ||
||<:-6> ''Driver IP address: 10.68.150.**'' ||
||'''Motor 0'''||'''Motor 1'''||'''Motor 2'''||'''Motor 3'''||'''Motor 4'''||'''Motor 5'''||
|| || || || ||''<blank>''||''<blank>''||

SR3 suspension information


position

FARO measurement

GAS default height (LVDT readout)

  • BF GAS LVDTIN:
  • F1 GAS LVDTIN:
  • F0 GAS LVDTIN:


suspension parameters

resonant frequencies

position of the COM

calculated from the resonant frequencies.


sensor & actuator parameters

Oplev calibration

OSEM calibration

GAS-LVDT calibration

Sensor

Efficiency [um/cnt]

F0-LVDT

F2-LVDT

F3-LVDT

IP-LVDT calibration

Sensor

Efficiency [um/cnt]

LVDT H1

LVDT H2

LVDT H3

Geophone calibration

Frequency response

Geophone's frequency response to the ground velocity:

  • Ge: Generator constant [V/(m/s)]
  • η: Intrinsic damping ratio
  • ω0: Resonant angular frequency [rad/s]

Sensor

S/N

Generator constant (nominal) [V/(m/s)]

Damping ratio (estimated)

Resonant frequency [Hz]

GEO H1

#

GEO H2

#

GEO H3

#

Noise

Sensor

Noise [m/rtHz] @ 0.1 Hz

Noise [m/rtHz] @ 10 Hz

GEO H1

GEO H2

GEO H3

Calibration

  • Converted displacement [um] = 3.052 x 10-4 [V/cnt] / HGEO(ω) / (gainPreamp) x (DC cutoff) x 1/s (m/(m/s)) x 106

actuation polarization

TM-stage

COIL

sign

H1

H2

H3

H4

IM-stage

COIL

sign

H1

H2

H3

V1

V2

V3

IP-stage

COIL

sign

H1

H2

H3

Diagonalization matrix

  • ACC2EUL

H1

H2

H3

To:

**

**

**

  • LVDT2EUL

H1

H2

H3

To:

Long.

Trans.

Yaw

  • EUL2COIL

Long.

Trans.

Yaw

To:

H1

H2

H3

actuation efficiency

Stepper motor

See also: Stepper motor setup

Epics channel name: K1:STEPPER_***_IP

Driver IP address: 10.68.150.**

Motor 0

Motor 1

Motor 2

Motor 3

Motor 4

Motor 5

<blank>

<blank>


Related Link

KAGRA/Subgroups/VIS/TypeB/SR3detail (last edited 2022-03-08 13:37:26 by hiromi.yasui)