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⇤ ← Revision 1 as of 2021-07-21 09:02:23
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| Date: 2021/7/16 13:00-13:35 | Date: 2021/7/30 13:00- |
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| Participants: Takahashi, Node, Ikeda, Ushiba, Tomaru, Sato, Aso, Kimura, Miyo | Participants: |
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| 14:00-14:20 | 14:00- |
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| Participants: Takahashi, Miyo, Terrence, Sato, Fabian, Aso, Tanaka, Ishizaki | Participants: |
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| * IY: Recovered the F1, F2 FRs. Compressed the F0 blades more to extend the height range. Total adjustable range became +/- 10.6mm. * IX: Calibrated the BF damper. The LVDT driver was replaced to the low noise one. * The corrugate tube fixing jigs were replaced in IY, EY, and EX. |
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| * This week we installed SR2 oplev hardware and routed the power cable from the rack to the SLED. Next week we'll align the optical components. * On the week before the ast one, we installed the SRM oplev optics, aligned the optical components and calibrated the QPD in terms of their displacements. * [Terrence] SRM optical lever was calibrated and diagonalized. But the noise floor is too high to render it useful for my purpose. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17499|klog 17499]]. * I synthesized a sensor correction filter according to the seismometer noise and seismic noise in KAGRA. It resembles the LIGO filter but with lower noise amplification. (show notebook) * About SRM. * I was given a month to work on the SRM and unfortunately I can't finish everything that I wish to do. Today is the deadline so I will stop working on it, unless I am given more time to work on it. * It would be useless if I don't share my knowledge with commissioners. But I know you are all busy and you might already have your own plan on how to configure the suspensions. I don't want to force people to listen to my stuff. But, just in case if people want to know how I do particular things, I will be very happy to share. |
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| * Power supply for IX and IY was changed. |
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| * Type-A team: Finalization of IX and EX. * Type-B team: Oplev alignment in SR2 and SRM. |
* Type-A team: * Type-B team: |
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| BS Outer frame | == Travel Plans == The week from 8/2 |
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| * The brace (support beam) for BS outer frame was not attached in O3. The brace itself is ready. * We have a structure analysis for the frame prototype (SR type), but not for the BS type. * I like to ask Sato-san the analysis for BS type to confirm the availability. |
* Takahashi: 8/2-6? * Sato: 8/2-6? * Hirata: 8/2-6 * Yano: 8/2-6 |
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| == Travel Plans == The week from 7/19 |
The week from 8/9 |
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| * Takahashi: 7/19-21 * Sato: 7/19-21 * Hirata: 7/19-21 * Yano: 7/19-21 The week from 7/26 * Takahashi: 7/26-30 * Hirata: 7/26-30 * Yano: 7/26-30 |
* Ishizaki: 8/7-10? |
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| * 2021/7/30(FRI) | * 2021/8/6(FRI) |
Contents
Agenda/Minutes
CRY+VIS Interface Meeting
Date: 2021/7/30 13:00-
Participants:
Schedule
- IX: Still some cabling from payload have problems. To the finalization.
- EX: Aligned for the green beam again. To the finalization
IY: F1 was recovered. Adjustable range of F0 was extended (Height range). Range of BF damper should be taken into account. The height adjustment was scheduled in the week of 7/26.
- EY: Mirror cleaning was almost finished. The shipping will be in the next week (transported after holidays).
Status
- Corrugate tube fixing jig: Replaced on 7/12-13.
- TM height setting: ITMY.
- Commissioning in air: on going in X-arm. Oplev calibration is necessary.
- Commissioning in vacuum:
- Overall commissioning:
- Acceptance check: Every Friday.
- PF actuator: After SC.
- Separation of rack in 2F: It was finished on 7/16.
- New vacuum pumps for V-chambers: Problem on the support for GVs.
Discussion
VIS Meeting
14:00-
Participants:
Klog
BS
17598 Re-cabling Dsub-15 pin for BS oplev , takaaki.yokozawa
EX
General
17573 Suspension status after M4 earthquake in Hida , kouseki.miyo
17582 Add [PICO] and [PICO OVERVIEW] menu to [sitemap]-[PICO] menu. , satoru.ikeda
17369 Added EPICS channel for VIS temperature adjustment , satoru.ikeda
17553 Comment , satoru.ikeda
IX
17580 Alignment check of ITMX after the earthquake , takafumi.ushiba
- 17608 Setup of limit switches , ryutaro.takahashi
17481 ITMX MNH1 cable repairement , takafumi.ushiba
17588 MN OpLev alignment for ITMX , takafumi.ushiba
17589 Comment , takaaki.yokozawa
IY
17587 Calibration of BF damper , ryutaro.takahashi
- 17602 Rebooter installation for pico motor drivers. (ITMY) , koji.nakagaki
17406 Setup of pre-isolator , ryutaro.takahashi
17552 Comment , ryutaro.takahashi
PRM
17584 Rebooter installation and network changes for pico motor drivers. (PRM) , koji.nakagaki
SR2
17549 Oplev hardware , fabian.arellano
- 17600 The oplev output viewport is dirty , fabian.arellano
17549 Oplev hardware , fabian.arellano
This is generated by python script in /users/Miyo/dropbox/Script/scrapping/main.py.
Summary Report
Type-A
Type-B
Type-Bp
Type-C
Electronics
Control
Schedule
See Schedule
- Type-A team:
- Type-B team:
Milestone
IMC suspensions are ready in air [40] will finish 2021/04/21.
PRs are ready in air [643] will finish 2021/07/09.
ETMX is ready in air [656] will finish 2021/08/25.
ITMX is ready in air [657] will finish 2021/08/31.
ETMY is ready in air [658] will finish 2021/09/16.
ITMY is ready in air [659] will finish 2021/11/08.
BS is ready in air [691] will finish 2021/11/24.
SRs are ready in air [663] will finish 2021/12/20.
Output suspensions are ready in air [695] will finish 2021/12/21.
TMSY is ready in air [708] will finish 2021/??/??.
TMSX is ready in air [684] will finish 2021/??/??.
2021/03/29 updated
Safety
Discussion
Travel Plans
The week from 8/2
- Takahashi: 8/2-6?
- Sato: 8/2-6?
- Hirata: 8/2-6
- Yano: 8/2-6
The week from 8/9
- Ishizaki: 8/7-10?
Next meeting
- 2021/8/6(FRI)