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Size: 1560
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← Revision 10 as of 2020-01-24 15:26:39 ⇥
Size: 3256
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| Deletions are marked like this. | Additions are marked like this. |
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| 2020/1/24 14:00 - | 2020/1/24 14:00 - 15:00 |
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| Participants: | Participants: Takahashi, Sato, Hirata, Shode, Fabian, Tanaka, Lucia, Okutomi, Sato, Ishizaki |
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| * Payload damping filter modification (by M. Nakano and the Three CRY Musketeers, T. Ushiba, T. Yamada, T. Nishimoto) * ETMX: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12571|klog#12571]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12603|#12603]] * ITMY: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12572|klog#12572]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12590|#12590]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12599|#12599]], * ITMX: [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12574|klog#12574]] * Coil driver replacement (by T. Yamada, K. Okutomi) * The coil driver for ITMY TM actuators has been replaced to the high-power one. * Now all the Type-A TM actuators have high power driving. * GAS control status (by L. Trozzo, T. Yamamoto) * ITMX F2 GAS control got saturated due to temperature drift ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12611|klog#12611]]) * The limit values for the DAMP and COILOUTF filters have been increased to 30000 counts. * Because we don't have to take care of the analog WD tripping in the coil drivers. |
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| * Oplev cover design is ongoing: 2 for Type Bp, 2 for SR and 2 for BS. * I went to the tunnel to measure the cleanroom around SR2 chamber again. I measure position of the hand rail. |
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| * Working on modeling update to include the control system. |
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| * Recovered the cable for the OSEM in OMMT1. | * Recovered the cable for the OSEM in OMMT1. |
| Line 32: | Line 50: |
| * Sent the 4-ch WD for SR and ETMX. | |
| Line 39: | Line 58: |
| * Reconsideration on the replacement of PR2 and SR2 after O3. | * Reconsideration on the replacement of PR2 and SR2 after O3 ([[https://www.dropbox.com/s/e0inlp006spuj4m/Schedule%20after%20O3.pdf?dl=0|Revised schedule]]). * Only one set of the mirror rehanging jig will be procured. * The parts for replaced mirror (wire breaker, magnet base, wire clamp) will be prepared as well. |
Agenda/Minutes of the VIS Meeting on 2020/1/24
2020/1/24 14:00 - 15:00
Participants: Takahashi, Sato, Hirata, Shode, Fabian, Tanaka, Lucia, Okutomi, Sato, Ishizaki
Progress report
Type-A
Past week report
- Payload damping filter modification (by M. Nakano and the Three CRY Musketeers, T. Ushiba, T. Yamada, T. Nishimoto)
ETMX: klog#12571, #12603
ITMY: klog#12572, #12590, #12599,
ITMX: klog#12574
- Coil driver replacement (by T. Yamada, K. Okutomi)
- The coil driver for ITMY TM actuators has been replaced to the high-power one.
- Now all the Type-A TM actuators have high power driving.
- GAS control status (by L. Trozzo, T. Yamamoto)
ITMX F2 GAS control got saturated due to temperature drift (klog#12611)
- The limit values for the DAMP and COILOUTF filters have been increased to 30000 counts.
- Because we don't have to take care of the analog WD tripping in the coil drivers.
Plan for coming weeks
Type B
Past week report
- Oplev cover design is ongoing: 2 for Type Bp, 2 for SR and 2 for BS.
- I went to the tunnel to measure the cleanroom around SR2 chamber again. I measure position of the hand rail.
Plan for coming weeks
Type-Bp
Past week report
- Working on modeling update to include the control system.
Plan for coming weeks
OMMT & OSTM
Past week report
- Released the bellows springs in the OSTM suspension.
- Recovered the cable for the OSEM in OMMT1.
Plan for coming weeks
VIS electronics
- Sent the 4-ch WD for SR and ETMX.
Past week report
Plan for coming weeks
Other site works
Safety
- Incidents:
Discussion
Reconsideration on the replacement of PR2 and SR2 after O3 (Revised schedule).
- Only one set of the mirror rehanging jig will be procured.
- The parts for replaced mirror (wire breaker, magnet base, wire clamp) will be prepared as well.
Travel Plans
- Travel (Week of 1/27):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Fujii:
- Tanaka:
- Travel (Week of 2/3):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Fujii:
- Tanaka:
Next meeting
On 2020/1/31(Fri)