some qps hwc labview applications (from rade point of view)
DESCRIPTION
Some QPS HWC LabView applications (from RADE point of view). Zinour Charifoulline, CERN-TE-MPE & INR RAS, Moscow. QPS Individual System Test (QPS-IST) for the main circuits; Magnet Splice Evaluation Snapshots Analysis for the main circuits; - PowerPoint PPT PresentationTRANSCRIPT
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RADE Workshop, ZCh 1
Some QPS HWC LabView applications (from RADE point of view)
QPS Individual System Test (QPS-IST) for the main circuits;
Magnet Splice Evaluation Snapshots Analysis for the main circuits;
600A Circuits: PCC.5 – QPS Semi-Automatic Analysis;
Zinour Charifoulline, CERN-TE-MPE & INR RAS, Moscow
5/26/2009
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25/26/2009 RADE Workshop, ZCh
QPS Individual System Test (QPS-IST) for the main circuits (dipole circuit as example)
Field Team in the tunnel:- switching on all QH Power Supplies;- waiting feedback for intervention;
LHC equipment to test:- 154 quench detectors;- 4x154 quench heaters;
PM Data storage (SDDS)
Logging DB
Trigger all quench detectors orre-trigger problematic ones
Office team
QPS-IST PM data Analysis
Objectives of “mass” Analysis:- read all PM-data, check completeness;- special QPS-dedicated analysis: charge and discharge voltages, time constants, quench detection levels and delays, etc...;- create output report;
Intervention instruction!
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35/26/2009 RADE Workshop, ZCh
QPS Individual System Test (QPS-IST) for the main circuits (dipole circuit as example)
Field Team in the tunnel:- switching on all QH Power Supplies;- waiting feedback for intervention;
LHC equipment to test:- 154 quench detectors;- 4x154 quench heaters;
PM Data storage (SDDS)
Logging DB
Triggering all at once orretriggering problematic ones
Office team
QPS-IST PM data Analysis
Objectives of Analysis- read all PM-data, check completeness;- special QPS-dedicated analysis: charge and discharge voltages, time constants, quench detection levels and delays, etc...;- create output report;- “bad heaters” detection;
- in 2008 HWC-campaign custom SDDS-library was used (ASCII);-since 2009 PM reading was switched to RADE SDDS-library (binary); Comments: reading is faster, but not checked yet in real HWC.
Manual alternative: Very powerful and reliable PM-browser (RADE), but analyzing one by one over 154 PM-files!!!
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RADE Workshop, ZCh 45/26/2009
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RADE Workshop, ZCh 55/26/2009
-Analysis takes 1-2 minute ;- It really depends on PM-data reading speed,and time for the Report
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RADE Workshop, ZCh 65/26/2009
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RADE Workshop, ZCh 75/26/2009
Discharge curves in log-scale
Quench detection signal
Threshold
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RADE Workshop, ZCh 85/26/2009
Power Supply problemor Broken Heater!!!Needs to be checked before firing again
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95/26/2009 RADE Workshop, ZCh
Snapshot Analysis for the main circuits
Originally it was developed as a minor modification of QPS-IST Analysis :
- Analysis part is simpler –> extracting just one signal from PM-file;- but much more PM data required, many steps in current loads;- and additional post processing which requires data from logging DB;
Finally, it worked very well. Two bad splices were found and confirmed.
Now new version of Snapshot Analysis Software is developing which supposedto be integrated to the HWC procedures:
- The snapshots will be triggered from HWC Sequencer, not manually anymore;- Analysis Software will be integrated with the PM Event Analyzer (RADE!!!)
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RADE Workshop, ZCh 105/26/2009
QPS Snapshots Event (to be added)
Snap Analysis (to be added)
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RADE Workshop, ZCh 115/26/2009
Current versus Time & Snapshots
Average of U_QS0 versus Current (20x154 PM files)
Current
Volta
ge
Time
Curr
ent
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RADE Workshop, ZCh 125/26/2009
Input from PM Event Analyzer (RADE):- total list of PM-data;- last snapshot list;- board A, board B information;- etc … (to be fixed with Odd!)
Current from loggingDB using JAPC (RADE)
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RADE Workshop, ZCh 135/26/2009
Commissioning Threshold (as ex)
Resi
stan
ce
Magnet
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RADE Workshop, ZCh 145/26/2009
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RADE Workshop, ZCh 155/26/2009
600A Circuits: PCC.5 – QPS Semi-Automatic Analysis
- already integrated with PM Event Analyzer (RADE);- has been used in 2008 HWC campaign; - almost ready to be automatic: + PM Data check to be added; + Criteria need to be fixed;
Event: RCD.A12B1:PCC.5
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RADE Workshop, ZCh 165/26/2009
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RADE Workshop, ZCh 175/26/2009
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RADE Workshop, ZCh 185/26/2009