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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-2839
DTSTART:20121109T180000Z
DURATION:PT1H0M0S
DTSTAMP:20260420T021730Z
LAST-MODIFIED:20121024T144145Z
LOCATION:4274 Chamberlin Hall
SUMMARY:Overview of System Identification applications to MHD control:
  How to control MHD activity without using the MHD equations in the fe
 edback model [Note room change]\, Plasma Physics (Physics/ECE/NE 922) 
 Seminar\, James Drake\, Royal Institute of Technology\, Stockholm  [NO
 TE room change]
DESCRIPTION:To date the approach to MHD control has largely been depen
 dent on incorporation of the well known MHD models to provide the pred
 ictive capability required for synthesis of real-time\, closed-loop ac
 tive control algorithms. Through the use of system identification tech
 niques Erik Olofsson has shown that it is possible to model magnetohyd
 rodynamic stability based on unprejudiced empirical data derived from 
 experimental observation (i.e. no MHD equations in the derived magneto
 hydrodynamic stability model). The ambition has been to approach exper
 imental modal analysis in a generic manner without invoking prior MHD 
 model knowledge. As stated in the thesis\, using EXTRAP T2R data it ha
 s been possible to iteratively develop and reality-check both dynamica
 l systems estimation/identification and control synthesis techniques.
URL:https://www.physics.wisc.edu/events/?id=2839
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