Difference between revisions of "AIOP Apr. 22, 2024"

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(Created page with "The current weekly meeting time is every other Monday at 13:00 US/Eastern === Connection Info: === <div class="toccolours mw-collapsible mw-collapsed"> You can connect using...")
 
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=== Agenda: ===
 
=== Agenda: ===
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# [[AIOP Mar. 25, 2024| Previous Meeting]]
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# [[AIOP Apr. 8, 2024| Previous Meeting]]
 
#:
 
#:
 
# Announcements
 
# Announcements
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=== Minutes ===
 
=== Minutes ===
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Attendees: David L., Thomas B., Torri J., Patrick M., Jiawei G., Cristiano F., Malachi S., Armen K.
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<!-- Attendees: David L., Thomas B., Torri J., Patrick M., Jiawei G., Cristiano F., Malachi S., Armen K. -->
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* Some of our data needed to be moved out of /group/halld by request from Alex A. The disk was getting full.
 
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** Some of the files were old Hydra models
 
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** Wiki needs to be updated with new location of AIOP-relevant files
 
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* Jiawei showed some [[Media:2024.04.08.AIOP_Guo.pdf|slides]]
 
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** Statistics for identified nudge events for 3 run periods were shown
 
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** Criteria for identifying nudge events reviewed
 
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** Primary mechanism is to look for changes in the setpoint values
 
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** Most nudge events happened within 5 minutes just before starting a run
 
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*** Some run periods had 30-40 nudge events identified during a run
 
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** Hovanes noted:
 
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*** The pitch and yaw values will not change when switching between amorphous and diamond (only roll, x, y)
 
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*** Radiator ID should be used to identify whether we switched to another diamond
 
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*** There are "fast" and "slow" nudging buttons which correspond to step sizes that differ by about a factor of 10. The "fast" represents the larger step and will take a correspondingly longer time to complete.
 
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*** It may take around 6 weeks to 2 months to damage a spot on a diamond enough to move to a different location
 
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**** This is decided by the Run Coordinator and typically is based on the sharpness of the coherent edge and the availability of fresh areas on the diamond.
 
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* Patrick showed some [[Media:2024.04.08.AIOP_Moran.pdf|slides]]
 
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** Focused on Spring 2023 data
 
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** Extensive discussion on what mySampler is doing, nudge criteria, etc.
 
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** The statistics for identified nudge events differed from what Jiawei was seeing for other data sets.
 
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*** Patrick suggested running his algorithm on the Spring 2020 data set in order to compare with results from Jiawei's identifier on the same data set.
 
  
 
==== Action Items ====
 
==== Action Items ====
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# Update wiki with new file locations after having to move them from /group/halld (Torri)
 
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# Send link to mySampler manual (Hovanes)
 
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# Compare nudge event identifiers for Spring 2020 data (Patrick, Jiawei)
 

Revision as of 15:18, 22 April 2024

The current weekly meeting time is every other Monday at 13:00 US/Eastern

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AIOP - Polarized Photon Source

Agenda:

  1. Previous Meeting
  2. Announcements
  3. Project Progress
  4. PIER Activities
  5. AOT


Minutes

Action Items

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