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Editor: OsamuMiyakawa
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== 2020/4/30 10:00~ DGS meeting for paper== == 2020/4/30 10:00~ DGS meeting for paper ==
 * Miyakawa, Yamamoto, Oshino

----
=== Target paper ===

 * LIGO-P2000107: Software X
 * Computer related
 * Physics for timing: CQG?

=== Contents ===
 * KAGRA(Miyakawa)
 * System(Miyakawa)
  * 3km observatory
  * Real time OS
   * IO chassis
   * ADC/DAC
  * RFM, Dolphin
  * EPICS
  * Timing
  * General network
  * Control room (client)

 * Sampling(Yamamoto)
  * Rate
  * AA/AI ->

 * Control(Oshino)
  * Real time models, connected by RFM and Dolphin
  * Transfer function

 * DAQ(Oshino)
  * Historical
  * Data streaming
  * Data amount
   * Transfer speed from each RTPC

 * Data monitor system(Oshino)
  * software(dataviewr, DTT, StripTool. ndscope)
  * Response to user request -> client
Line 4: Line 43:
 * Timing(Yamamoto)
  * Difference from GPS time
   * Offset ~200ns
  * Delay from master to slave (~15ns)
  * Delay from timing slave to IOP model (1PPS sampled at 960Hz)
  * Time stamp at data concentrator

 * Conclusion(Miyakawa)

  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7795|Master thesis of Kaji]]
Line 5: Line 55:
 * System
  * Real time OS
  * RFM
  * EPICS
  * Timing
  * Control room
 * Control
  * Real time models
  * Transfer function
 * DAQ
  * Transfer speed
  * Data amount
 * Timing
  * Difference from GPS time
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7795|Master thesis of Kaji]]		 === Action items ===

 * 1paper or 2papers? or series?
 * Short author? Full author? -> CPC
 * Due date: 1month later
 * Document sharing system -> Yamamoto asks Shinkai-san for overleaf

2020/4/30 10:00~ DGS meeting for paper

  • Miyakawa, Yamamoto, Oshino

Target paper

  • LIGO-P2000107: Software X
  • Computer related
  • Physics for timing: CQG?

Contents

  • KAGRA(Miyakawa)
  • System(Miyakawa)
    • 3km observatory
    • Real time OS
      • IO chassis
      • ADC/DAC
    • RFM, Dolphin
    • EPICS
    • Timing
    • General network
    • Control room (client)
  • Sampling(Yamamoto)
    • Rate

    • AA/AI ->

  • Control(Oshino)
    • Real time models, connected by RFM and Dolphin
    • Transfer function
  • DAQ(Oshino)
    • Historical
    • Data streaming
    • Data amount
      • Transfer speed from each RTPC
  • Data monitor system(Oshino)

    • software(dataviewr, DTT, StripTool. ndscope)

    • Response to user request -> client

  • Timing(Yamamoto)
    • Difference from GPS time
      • Offset ~200ns
    • Delay from master to slave (~15ns)
    • Delay from timing slave to IOP model (1PPS sampled at 960Hz)
    • Time stamp at data concentrator
  • Conclusion(Miyakawa)

Action items

  • 1paper or 2papers? or series?

  • Short author? Full author? -> CPC

  • Due date: 1month later

  • Document sharing system -> Yamamoto asks Shinkai-san for overleaf

KAGRA/Subgroups/DGS/Meeting/20200430/minute (last edited 2020-04-30 11:02:27 by OsamuMiyakawa)