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'''IM-stage''' [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4846|klog#4846]] || number# || for which? || linear range [cnt] || calibration factor [um/cnt] || noise level at 10 Hz || || || || || || || || No#53 || IM-V1 || 0.078991 || 1600-12500 || || || No#54 || IM-V2 || 0.079014 || 1480-12600 || || || No#55 || IM-V3 || 0.083248 || 1500-12000 || || || || || || || || || No#56 || IM-H1 || 0.074347 || 1390-14200 || || || No#57 || IM-H2 || 0.070756 || 1370-14700 || || || No#58 || IM-H3 || 0.088711 ||1450-11100 || || {{attachment:sr3imv1osem.png||width=33%,align="left"}} {{attachment:SR3-IM-V1||width=33%,align="center"}} {{attachment:SR3-IM-V1||width=33%,align="right"}} |
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* GAS optimal load '''without their caps''' || GAS name || optimal frequency || optimal load || optimal height of the keystone || LVDT linear range? || Fishing rod range? || Note || || || || || || || || || || TF || || || || || || || || SF-B2-6 || 0.32 Hz || 166.40 kg || 67.8 mm || 64[mm] to 66.5[mm] || 63.5[mm] to 67.5[mm] || [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4720|k#4720]] || || BF-No7 || 0.39 Hz || 53.17 kg || 64.9 || 64[mm] to 66.5[mm] || 64.2[mm] to 66.5[mm] || [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4654|k#4654]] || [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4650|k#4650]] ||'''Sensor'''||'''Efficiency [um/cnt]'''|| || F0-LVDT ||<)> || || SF-LVDT ||<)> 0.08845 || || BF-LVDT ||<)> 0.05497 || /* {{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"}} */ |
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| || LVDT H1 ||<)> -0.258 || || LVDT H2 ||<)> -0.252 || || LVDT H3 ||<)> -0.233 || |
|| LVDT H1 ||<)> || || LVDT H2 ||<)> || || LVDT H3 ||<)> || |
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| == 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''|| |
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== 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
IM-stage
number# |
for which? |
linear range [cnt] |
calibration factor [um/cnt] |
noise level at 10 Hz |
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No#53 |
IM-V1 |
0.078991 |
1600-12500 |
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No#54 |
IM-V2 |
0.079014 |
1480-12600 |
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No#55 |
IM-V3 |
0.083248 |
1500-12000 |
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No#56 |
IM-H1 |
0.074347 |
1390-14200 |
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No#57 |
IM-H2 |
0.070756 |
1370-14700 |
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No#58 |
IM-H3 |
0.088711 |
1450-11100 |
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GAS-LVDT calibration
GAS optimal load without their caps
GAS name |
optimal frequency |
optimal load |
optimal height of the keystone |
LVDT linear range? |
Fishing rod range? |
Note |
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TF |
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SF-B2-6 |
0.32 Hz |
166.40 kg |
67.8 mm |
64[mm] to 66.5[mm] |
63.5[mm] to 67.5[mm] |
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BF-No7 |
0.39 Hz |
53.17 kg |
64.9 |
64[mm] to 66.5[mm] |
64.2[mm] to 66.5[mm] |
Sensor |
Efficiency [um/cnt] |
F0-LVDT |
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SF-LVDT |
0.08845 |
BF-LVDT |
0.05497 |
IP-LVDT calibration
Sensor |
Efficiency [um/cnt] |
LVDT H1 |
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LVDT H2 |
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LVDT H3 |
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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 |
# |
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GEO H2 |
# |
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GEO H3 |
# |
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Noise
Sensor |
Noise [m/rtHz] @ 0.1 Hz |
Noise [m/rtHz] @ 10 Hz |
GEO H1 |
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GEO H2 |
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GEO H3 |
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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 |
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H2 |
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H3 |
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H4 |
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IM-stage
COIL |
sign |
H1 |
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H2 |
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H3 |
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V1 |
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V2 |
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V3 |
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IP-stage
COIL |
sign |
H1 |
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H2 |
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H3 |
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Diagonalization matrix
- ACC2EUL
H1 |
H2 |
H3 |
To: |
** |
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** |
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** |
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- LVDT2EUL
H1 |
H2 |
H3 |
To: |
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Long. |
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Trans. |
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Yaw |
- EUL2COIL
Long. |
Trans. |
Yaw |
To: |
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H1 |
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H2 |
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H3 |
actuation efficiency
Stepper motor
See also: Stepper motor setup
Epics channel name: K1:STEPPER_***_IP |
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Driver IP address: 10.68.150.** |
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Motor 0 |
Motor 1 |
Motor 2 |
Motor 3 |
Motor 4 |
Motor 5 |
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<blank> |
<blank> |