Agenda/Minutes of the VIS Meeting on 2020/7/31

2020/7/31 14:00 -

Zoom Meeting

Participants:

Progress report

General

• [Miyo] by 07/31/2020, 20% done (+0%), Make a cabling diagram for O4

• [Miyo] by 08/28/2020, 25% done (+0%), Make prototype system for temperature control

• [Miyo] by 08/28/2020, 20% done (+0%), Enable to control the limit switch of stepper motor

• [Miyo] by 08/28/2020, 0% done (+0%), Request AEL chassis for picomotor driver

• [Miyo] by 08/28/2020, 0% done (+0%), Update remote control system

• [Miyo] by 08/28/2020, 0% done (+0%), Add CRYO stepper motor in the remote control system

Type-A

• The accelerometer with LVDT was tested at the site (report).

Type-B

Type-Bp

Type-C

Controls

Electronics

Towards O4

• KAGRA is in "Upgrade phase for O4". Upgrade of SR controls were performed. The accelerometer with LVDT was tested at the site.

• Plan for cleaning the clean booth (EN, JP) will be submitted by 3rd. Aug. It is necessary to make the inventory with location (example for Type-A).

  • [Washimi] PEM team introduce the Holobuilder (Google street view like tool). Let's discuss about cleanup plan with this tool.

• Preparation work (pre-cleaning) will be started from 17th Sep. Cleaning schedule.png.

cf. Post Obs. task (Request), Task for O3c (Plan, Sheet), Task towards O4 (List), Schedule towards O4 (Chart).

Safety

• [Washimi] Room temperature and GAS status https://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/SEM/fig_GAS/

  • The temperature in mine dropped during July 9th - July 19th (-0.8degC). We couldn't find this until July 22th due to the trouble and maintenance of the network.
  • We added 2 heaters on July 28th.

Discussion

Travel Plans

Next meeting

• On 2020/8/7(Fri)