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⇤ ← Revision 1 as of 2019-11-13 07:43:06 →
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Editor: TakaakiYokozawa
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← Revision 2 as of 2019-11-13 07:52:55 → ⇥
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Editor: TakaakiYokozawa
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Deletions are marked like this. Additions are marked like this.
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  * How about undergraduate student?   * How about undergraduate student(TNTanaka)?
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  * ISS out-of-loop noise budget
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  * 何処までoplev controlが残るかは不明   * Oplev noise budget is important, but we need to consider how many oplev control will be remained
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    * Air compressorからの音が特徴的な時間変化がある。
    * マイク、加速度計(1日磁束計)、oplev
     * FPMI待ち		     * Characteristic environmental noise was detected from air compressor
    * Accelerometers, microphone, (magnetometer in 1 hour)、oplev
     * Waiting the lock of the FPMI
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    * 柏サーバで計算してみれるようにした。
    * ここ最近、雷が落ちるようになってきた。。自動更新		     * The plot can be generated by Kashiwa server
    * Currently, there are thunder in the Japanese sea
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    * Yuzu summary pageのplotを使うことにより、外からもdailyのtimeseries等をみれるようにした。     * Pick up from the Yuzu summary page, they can see the one day plot from outside (previous version was only Kamioka site due to summary page)
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    * 温度変化が問題になっているので、温度変化のプロットを作ってみた。
    * 単位時間あたりの温度変化をみれるようにしたら面白いかも。
    * 三代木さんと議論
    * vacuum monitorも同様のことをしてみたい。
    * Yuzu summaryuではweather stationをモニターしている
    * やっぱり週単位や月単位での変化を見ていくべきなので見れるようにしてみる。		     * Trend of the environment, such as temperature is important issue
    * Now he is making the temperature trend monitor web page
    * Monthly dependence, weekly dependence
    * We want to discuss with Miyoki-san
    * vacuum monitor trend
    * weather station monitor by Yuzu summary page
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    * DetChar meetingのスライドに詳細が記載
    * Kozapyがupdateされている。
    * みるべきchannel listの最適化
    * 6:00までのsilent runが昼に公表		     * The detail was reported in the DetChar meeting
    * Kozapy was updated, please pull from github
    * Optimize the checking channels
    * If silent run was held before 6:00am, the triggered data was shown in the 12:00

Minute of PEM meeting

  • Date: 2019/11/12 17:00-18:00(JST)
  • Attend：Yokozawa, TNTanaka, Mori, TTanaka, Ohkawa, Fujikawa, Kozakai, Washimi, Yamada, Kaihotsu

Agenda

  • General issue
    • Meeting time

      • 17:00-18:00 -> 16:00-18:00

        • Increase the discussion item
        • Conflict with CRY meeting(?)
      • Approved to changed the meeting time
    • Interferometer status
      • We are fixing the ALS(Arm Length Stabilization system) problem.
        • Mostly fixed

      • Long silent run at 2nd Nobember (klog11312)

      • How about status of the OMC installation? Start cable connecting and jigs setting

      • See the detail in url

      • Silent run -> Some excitation(including calibration line) -> PEM injection -> Hardware injection

  • PTEP paper
    • [kagra 03133]
    • KAGRA Overview papers
    • Overview of KAGRA : (3) Detchar, calibration, physical environment, data quality
  • Next F2F meeting
    • RESCEU
    • 4th and 5th Dec., 2019
    • 1 slot Washimi-san will have a talk
    • If you plan to write master/doctor thesis, please let me know
      • TTanaka
    • How about undergraduate student(TNTanaka)?
  • Chrome Book project (Portable PEM researcher)
  • PEM injection
    • Shaker injection1 (TTanaka, Yokozawa)
    • acoustic injection (TTanaka, Yokozawa)
    • magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa)
  • Weekly PEM measurement
    • Friday (+every morning) is weekly PEM measurement
    • Understanding the effect of the instruments, search the origin of noise, and so on
    • Tentative : 18V DC noise(24Hz), Cryochamber vibration, Air compressors, FFU, Cooler, Noise search
    • Oplev noise budget is important, but we need to consider how many oplev control will be remained
  • Database for the KAGRA characteristic lines

    • url

    • Fixed bugs
  • Visitors from LV
    • Anamaria from Livingston : 18 - 29 Nov.
    • Federico, Irene, Camilla (input optics) + Francesca from Virgo : 11/26-12/7 (2 weeks@KAGRA, 1 weeks@NAOJ)
    • Fujikawa, TNTanaka 11/24-12/3
  • Each progress
    • Yokozawa
      • Current serious noises
        • MICH control noise
        • ACC ground loop problem
        • New accelerometers for noise search
        • Lock state vs EXC magnetometer
      • Daily summary page
    • Washimi
    • Kozakai
      • Trigger analysis with silent run

        • The detail was reported in the DetChar meeting

        • Kozapy was updated, please pull from github
        • Optimize the checking channels
        • If silent run was held before 6:00am, the triggered data was shown in the 12:00
    • TTanaka(ICRR)
      • Acoustic injection with FPMI (+ Washimi, Yamada, TNTanaka)
      • IXC、PSL roomのacoustic injectionを行なった。
      • EXC to microphone
      • 低周波を入れたい。
    • Mori
      • Vacuum pump vibration
      • あとでJGWDoc
    • Fujikawa, Mori
      • fujimopy
      • Line amplitude web page
    • Fujikawa

      • Lock loss study PEMmtg_191112lock-2.pdf

        • Lock loss割合を作ってみた。IO
          • PEMのみでみている。
          • spectrumを見てみる。
          • ふくすうのcandidateの場合は、両方を+1している。
          • ガウスフィットから5シグマ
          • 主導でその時間を見れるようにする
          • accが多いのはボーダーの設定ミス?

          • frameに残されていないデータのせいでミスがありそう->0埋めorDAQ error

          • Refcavが外れたので考慮しなくてはいけない
    • TTanaka(Niigata)
      • Preparation of the coil
      • IXC compressor study
        • コンプレッサーのオンオフでの磁場評価を行った。
        • Pastaviを用いてglitchのところを見てみる。
    • Yamamoto, Yuzu, Andrew
      • Pastavi
    • etc

KAGRA/Subgroups/PEM/Meeting/191112/MinuteEN (last edited 2019-11-13 08:02:50 by TakaakiYokozawa)