Differences between revisions 2 and 3
⇤ ← Revision 2 as of 2019-11-13 07:52:55 →
Size: 5387
Editor: TakaakiYokozawa
Comment:
← Revision 3 as of 2019-11-13 08:02:50 → ⇥
Size: 5438
Editor: TakaakiYokozawa
Comment:
Deletions are marked like this. Additions are marked like this.
Line 101: Line 101:
   * IXC、PSL roomのacoustic injectionを行なった。    * We held the acoustic injection with FPMI at 2nd Nov.
   * IXC, IYC, PSL room
Line 103: Line 104:
   * 低周波を入れたい。    * Data analysis is ongoing
   * How to inject the low frequency?
Line 107: Line 109:
   *あとでJGWDoc    * Uploaded to the JGWDoc
Line 110: Line 112:
   * No report
Line 115: Line 118:
    * 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		     * IO lock loss candidate by circuit histogram
     * Check the lock loss reason for only the PEM channels
     * See the spectrum for lock loss time
     * If multiple channels excess the threshold, both channels were added. 66 lock loss -> >>66 candidate
     * Set threshold by gaussian fitting and 5 sigma
     * Need additional investigation for the acc threshold
     * Now there is effect in the no data time, zero padding or ignore
     * IO guardian was changed this week (removed the reference cavity)
Line 128: Line 130:
    * 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。		     * Magnetic field investigation from the air compressor
    * See the spectrogram by Pastavi

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)
      • We held the acoustic injection with FPMI at 2nd Nov.
      • IXC, IYC, PSL room
      • EXC to microphone
      • Data analysis is ongoing
      • How to inject the low frequency?
    • Mori
      • Vacuum pump vibration
      • Uploaded to the JGWDoc
    • Fujikawa, Mori
      • No report
      • fujimopy
      • Line amplitude web page
    • Fujikawa

      • Lock loss study PEMmtg_191112lock-2.pdf

        • IO lock loss candidate by circuit histogram
          • Check the lock loss reason for only the PEM channels
          • See the spectrum for lock loss time

          • If multiple channels excess the threshold, both channels were added. 66 lock loss -> >>66 candidate

          • Set threshold by gaussian fitting and 5 sigma
          • Need additional investigation for the acc threshold
          • Now there is effect in the no data time, zero padding or ignore
          • IO guardian was changed this week (removed the reference cavity)
    • TTanaka(Niigata)
      • Preparation of the coil
      • IXC compressor study
        • Magnetic field investigation from the air compressor
        • See the spectrogram by Pastavi
    • Yamamoto, Yuzu, Andrew
      • Pastavi
    • etc

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