• KAGRA
• Subgroups
• VIS
• VISMinutes20210205

Activities in this week

klog15860

• 15864, Friday, VIS/IX, takafumi.ushiba, Comment to Cabling for cryo-payload (Click here to view original report: 15860)

• 15866, Friday, VIS/IX, ryutaro.takahashi, Comment to Cabling for cryo-payload (Click here to view original report: 15860)

klog15844

• 15869, Sunday, VIS/PR3, fabian.arellano, Comment to Gluing the mirror wire. (Click here to view original report: 15844)

• 15875, Monday, VIS/PR3, fabian.arellano, Comment to Gluing the mirror wire. (Click here to view original report: 15844)

• 15885, Tuesday, VIS/PR3, fabian.arellano, Comment to Gluing the mirror wire. (Click here to view original report: 15844)

klog15617

• 15872, Monday, VIS/OMM, ryutaro.takahashi, Comment to Modification of ACCs (Click here to view original report: 15617)

klog15847

• 15873, Monday, VIS/General, kouseki.miyo, Comment to Relay Switch of Stepper Motor Driver (Click here to view original report: 15847)

klog15857

• 15876, Monday, VIS/PR2, satoru.ikeda, Comment to The PR2-SF's stepper motor has stalled. (Click here to view original report: 15857)

• 15880, Tuesday, VIS/PR2, satoru.ikeda, Comment to The PR2-SF's stepper motor has stalled. (Click here to view original report: 15857)

• 15882, Tuesday, VIS/PR2, satoru.ikeda, Comment to The PR2-SF's stepper motor has stalled. (Click here to view original report: 15857)

klog15737

• 15877, Monday, VIS/General, satoru.ikeda, Comment to We investigated the network connection. (Click here to view original report: 15737)

klog15878

• 15908, Wednesday, CRY/Cryo-payload EX, takafumi.ushiba, Comment to EX payload upgrade (Click here to view original report: 15878)

klog15889

• 15890, Tuesday, VIS/PR3, satoru.ikeda, Comment to Traverser motor test and cabling. (Click here to view original report: 15889)

• 15911, Wednesday, VIS/PR3, satoru.ikeda, Comment to Traverser motor test and cabling. (Click here to view original report: 15889)

• 15920, Wednesday, VIS/PR3, satoru.ikeda, Comment to Traverser motor test and cabling. (Click here to view original report: 15889)

15891, Tuesday, VIS/EY, ryutaro.takahashi, Setup of F3

• 15893, Wednesday, VIS/EY, kouseki.miyo, Comment to Setup of F3 (Click here to view original report: 15891)

• 15894, Wednesday, VIS/EY, kouseki.miyo, Comment to Setup of F3 (Click here to view original report: 15891)

• 15906, Wednesday, VIS/EY, kouseki.miyo, Comment to Setup of F3 (Click here to view original report: 15891)

• 15912, Wednesday, VIS/EY, kouseki.miyo, Comment to Setup of F3 (Click here to view original report: 15891)

• 15918, Wednesday, VIS/EY, ryutaro.takahashi, Comment to Setup of F3 (Click here to view original report: 15891)

15868, Sunday, VIS/General, kouseki.miyo, Some suspensions are not SAFE.

• 15923, Thursday, VIS/General, kouseki.miyo, Comment to Some suspensions are not SAFE. (Click here to view original report: 15868)

klog15905

• 15924, Thursday, PEM/General, takaaki.yokozawa, Comment to Bird watching (Ondotori maintenance) 2021 (Click here to view original report: 15905)

• 15925, Thursday, PEM/General, shinji.miyoki, Comment to Bird watching (Ondotori maintenance) 2021 (Click here to view original report: 15905)

• 15927, Thursday, PEM/General, tatsuki.washimi, Comment to Bird watching (Ondotori maintenance) 2021 (Click here to view original report: 15905)

15919, Wednesday, VIS/EY, ryutaro.takahashi, Setup of BF

• 15926, Thursday, VIS/EY, kouseki.miyo, Comment to Setup of BF (Click here to view original report: 15919)

• 15931, Thursday, VIS/EY, ryutaro.takahashi, Comment to Setup of BF (Click here to view original report: 15919)

• 15905, Wednesday, PEM/General, tatsuki.washimi, Bird watching (Ondotori maintenance) 2021

• 15871, Sunday, VIS/General, kouseki.miyo, ISOLATED state is available with only LVDTs not blended sensors.

• 15878, Monday, CRY/Cryo-payload EX, takafumi.ushiba, EX payload upgrade

• 15881, Tuesday, PEM/Center, takaaki.yokozawa, IXC

• 15883, Tuesday, CRY/Cryostat IY, takayuki.tomaru, IYC test (temperature & frosting)

• 15884, Tuesday, CRY/Cryostat IY, rishabh.bajpai, Vibration Analysis

• 15886, Tuesday, VIS/PR3, satoru.ikeda, Driveable range of the PR3 GAS SF stepper motor

• 15888, Tuesday, VIS/General, kouseki.miyo, All payload models are in PAYLOAD_MASTER.mdl

• 15889, Tuesday, VIS/PR3, fabian.arellano, Traverser motor test and cabling.

• 15910, Wednesday, VIS/EY, kouseki.miyo, TF measurement for F3 GAS filter

• 15913, Wednesday, CRY/Cryostat IY, takayuki.tomaru, IYC cooler no.3

• 15916, Wednesday, IOO/IMC, tomotada.akutsu, Pre-inspection of the suspension structures for MCi

• 15917, Wednesday, IOO/IMC, tomotada.akutsu, Turned off the power supply to the tilt-sensor laser

• 15921, Wednesday, VIS/SR3, fabian.arellano, Oplev installation.

• 15928, Thursday, VIS/SR3, fabian.arellano, Oplev installation and alignment recovery.

• 15930, Thursday, VIS/PR2, satoru.ikeda, Connect and check the drive of the PR2 traverser.

• 15932, Thursday, VIS/EY, ryutaro.takahashi, Setup of F3

• 15933, Thursday, PEM/EY, tatsuki.washimi, portable fluid meter

This text is generated by script in "/kagra/Dropbox/Personal/miyo/Scripts/klog/main.py".

Agenda/Minutes on 2021/2/5

Zoom Meeting

CRY+VIS Interface Meeting

13:30-

Participants:

Post O3 Upgrade portal

Copy from previous meeting

• Schedule for IX: Connection is scheduled in the week of 2/8. Do you work on 2/11?
• Schedule for IY: Disconnection is scheduled on 3/11.
• Schedule for EX: Connection is scheduled in the week of 3/15.
• Corrugate tube fixing jig: Re-measurement is planed in 2/26-3/1 at IYV.
• Commissioning in vacuum: Two phased commissioning will be tried in IX at beginning. After that, one phase is default.
• Acceptance check: Cryo-payload in IX and Type-A tower in EY are on going.
• Jig for FC painting: Under manufacturing.
• PF actuator: by the end of January.

VIS Meeting

14:00-

Participants:

Progress report

General

Type-A

• Finished assembly of the ACCs and the geophone pods in IX.
• Setup the F3: Calibration of the LVDT, Measurement of the FR range, Tuning of filter, Measurement of the TFs, Cabling around the F3.
• Lifted down the EQ stop into the corrugate tube. The F3 stage sit down the frame lock.

Type-B

Type-Bp

Type-C

• Remedy of cabling for the actuator coils in the IMC suspensions is required.

Controls

Electronics

Towards O4

• Type-B/Bp remedy work is on going.
• Installation of Type-A is on going in EY.
• Schedule.

  • Chart

• Procedure documents.

  • Type-A tower installation

  • Limit switches

  • Limit switch connecting guide

  • Replacement of TF blades

  • Wire gluing in PR3

  • Type-B remedying work

• Criteria in the acceptance test.

  • Inspection document (sample)

Safety

Discussion

Travel Plans

The week from 2/8

• Takahashi: 2/8-12
• Sato: 2/8-12
• Hirata: 2/8-12
• Yano: 2/8-12

The week from 2/15

• Takahashi: 2/15-19
• Sato: 2/15-19
• Hirata: 2/15-19
• Yano: 2/15-19

Next meeting

• On 2020/2/12(Fri)