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⇤ ← Revision 1 as of 2018-06-05 15:12:26 →
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← Revision 5 as of 2018-10-22 10:37:09 → ⇥
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Editor: TakahiroYamamoto
Comment:
Deletions are marked like this. Additions are marked like this.
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== X-arm cavity ==
=== Progress ===
|| status || item || comment ||
|| || ||
|| o || receive error/feedback signal from LSC || ||
|| o || send line/injection signal to ETMX || ||
|| x || send line signal to ITMX || need to rebuild and reboot ITMX model ||
|| x || TF measurement || ||
|| x || IIR filter design || ||
|| x || set SDF || only filter banks are monitored ||

=== Memo ===
==== <channels> ====
|| # || name || unit || memo || DQ ||
|| || || || || ||
|| 1 || K1:CAL-CS_XARM_ERR || ct || v_err || K1:LSC-XARM_IN1 ||
|| 2 || K1:CAL-CS_XARM_CTRL || ct || v_ctrl || K1:LSC-XARM_OUT ||
|| 3 || K1:CAL-CS_PROC_XARM_FILT_TM_OUT || m || A_TM * v_ctrl || x ||
|| 4 || K1:CAL-CS_PROC_XARM_FILT_IM_OUT || m || A_IM * v_ctrl || x ||
|| 5 || K1:CAL-CS_PROC_XARM_FILT_MN_OUT || m || A_MN * v_ctrl || x ||
|| 6 || K1:CAL-CS_PROC_XARM_DELTA_CTRL || m || (A_TM + A_IM + A_MN) * v_ctrl || o ||
|| 7 || K1:CAL-CS_PROC_XARM_RESIDUAL || m || (1/C) * v_err || o ||
|| 8 || K1:CAL-CS_PROC_XARM_DISPLAYCEMENT || nm || (1/C) * v_err || o ||
  * DQ channel : suffix = '_DQ'
  * EPICS channel: suffix = '_MON'


==== <filters> ====
|| # || name || unit || memo ||
|| || || || ||
|| 1 || K1:CAL-CS_PROC_XARM_FILT_INVC || m/ct || inverse sensing function ||
|| 2 || K1:CAL-CS_PROC_XARM_FILT_TM || m/ct || TM stage function ||
|| 3 || K1:CAL-CS_PROC_XARM_FILT_IM || m/ct || IM stage function ||
|| 4 || K1:CAL-CS_PROC_XARM_FILT_MN || m/ct || MN stage function ||
|| 5 || K1:CAL-CS_PROC_XARM_FILT_TDELAY || - || time delay between err and ctrl ||
|| || || || ||
|| 6 || K1:CAL-CS_AA_ETMX_CTRL || - || digital AA filter for 16k -> 2k ||
|| 7 || K1:CAL-CS_AA_ETMX_TM || - || digital AA filter for 16k -> 2k ||
|| 8 || K1:CAL-CS_AA_ITMX_CTRL || - || digital AA filter for 16k -> 2k ||
|| 9 || K1:CAL-CS_AA_ITMX_TM || - || digital AA filter for 16k -> 2k ||

==== <OLTF measurement> ====
|| # || TF || channels ||
|| || || ||
|| 1 || G || K1:LSC-XARM_IN1 / K1:LSC-XARM_IN2 ||
|| 2 || (1+G)/G || K1:LSC-XARM_EXC / K1:LSC-XARM_IN2 ||
|| 3 || (1+G) || K1:LSC-XARM_EXC / K1:LSC-XARM_IN1 ||

Front-end

X-arm cavity

Progress

status

item

comment

o

receive error/feedback signal from LSC

o

send line/injection signal to ETMX

x

send line signal to ITMX

need to rebuild and reboot ITMX model

x

TF measurement

x

IIR filter design

x

set SDF

only filter banks are monitored

Memo

<channels>

#

name

unit

memo

DQ

1

K1:CAL-CS_XARM_ERR

ct

v_err

K1:LSC-XARM_IN1

2

K1:CAL-CS_XARM_CTRL

ct

v_ctrl

K1:LSC-XARM_OUT

3

K1:CAL-CS_PROC_XARM_FILT_TM_OUT

m

A_TM * v_ctrl

x

4

K1:CAL-CS_PROC_XARM_FILT_IM_OUT

m

A_IM * v_ctrl

x

5

K1:CAL-CS_PROC_XARM_FILT_MN_OUT

m

A_MN * v_ctrl

x

6

K1:CAL-CS_PROC_XARM_DELTA_CTRL

m

(A_TM + A_IM + A_MN) * v_ctrl

o

7

K1:CAL-CS_PROC_XARM_RESIDUAL

m

(1/C) * v_err

o

8

K1:CAL-CS_PROC_XARM_DISPLAYCEMENT

nm

(1/C) * v_err

o

  • DQ channel : suffix = '_DQ'
  • EPICS channel: suffix = '_MON'

<filters>

#

name

unit

memo

1

K1:CAL-CS_PROC_XARM_FILT_INVC

m/ct

inverse sensing function

2

K1:CAL-CS_PROC_XARM_FILT_TM

m/ct

TM stage function

3

K1:CAL-CS_PROC_XARM_FILT_IM

m/ct

IM stage function

4

K1:CAL-CS_PROC_XARM_FILT_MN

m/ct

MN stage function

5

K1:CAL-CS_PROC_XARM_FILT_TDELAY

-

time delay between err and ctrl

6

K1:CAL-CS_AA_ETMX_CTRL

-

digital AA filter for 16k -> 2k

7

K1:CAL-CS_AA_ETMX_TM

-

digital AA filter for 16k -> 2k

8

K1:CAL-CS_AA_ITMX_CTRL

-

digital AA filter for 16k -> 2k

9

K1:CAL-CS_AA_ITMX_TM

-

digital AA filter for 16k -> 2k

<OLTF measurement>

#

TF

channels

1

G

K1:LSC-XARM_IN1 / K1:LSC-XARM_IN2

2

(1+G)/G

K1:LSC-XARM_EXC / K1:LSC-XARM_IN2

3

(1+G)

K1:LSC-XARM_EXC / K1:LSC-XARM_IN1

KAGRA/Subgroups/CAL/Front-end (last edited 2020-04-16 14:53:06 by TakahiroYamamoto)