Differences between revisions 7 and 10 (spanning 3 versions)
⇤ ← Revision 7 as of 2020-04-30 10:14:02 →
Size: 512
Editor: OsamuMiyakawa
Comment:
← Revision 10 as of 2020-04-30 11:02:27 → ⇥
Size: 1346
Editor: OsamuMiyakawa
Comment:
Deletions are marked like this. Additions are marked like this.
Line 2: Line 2:
 * Miyakawa, Yamamoto, Oshino
Line 12: Line 12:
 * System  * KAGRA(Miyakawa)
 * System(Miyakawa)
  * 3km observatory
Line 14: Line 16:
  * RFM    * IO chassis
   * ADC/DAC
  * RFM, Dolphin
Line 17: Line 21:
  * Control room
 * Control
  * Real time models		   * General network
  * Control room (client)

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

 * Control(Oshino)
  * Real time models, connected by RFM and Dolphin
Line 21: Line 31:
 * DAQ
  * Transfer speed
 * DAQ(Oshino)
  * Historical
  * Data streaming
Line 24: Line 36:
 * Timing    * Transfer speed from each RTPC

 * Data monitor system(Oshino)
  * software(dataviewr, DTT, StripTool. ndscope)
  * Response to user request -> client


 * Timing(Yamamoto)
Line 26: Line 45:
   * 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)
Line 27: Line 53:

----
=== 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)