Author: Caillaud, T.
Paper Title Page
TUD3I01 The LMJ Target Diagnostics Control System Architecture 565
 
  • S. Perez, T. Caillaud
    CEA, LE BARP cedex, France
  
  The French Laser Mega­joule (LMJ) is, be­hind the US NIF, the sec­ond largest in­er­tial fu­sion fa­cil­ity in the World. The main ac­tiv­ity of this fa­cil­ity is the ac­qui­si­tion of sev­eral phys­i­cal phe­nom­ena as neu­tron, gamma, X rays…pro­duced by the in­di­rect at­tack of hun­dreds of high power laser beams on tar­gets through mea­sure­ment de­vices called "tar­get di­ag­nos­tics". More than 30 di­ag­nos­tics will be in­stalled and dri­ven in a huge and com­plex in­te­grated com­puter con­trol sys­tem. The aim of this paper is to de­scribe an ar­chi­tec­ture based on the Tango open source soft­ware for the very low level con­trol sys­tem, Python lan­guage for the de­vel­op­ment of dri­vers and the French com­mer­cial PANORAMA soft­ware as the main high level SCADA. This choice leads to guar­anty the evo­lu­tion of the mid­dle­ware soft­ware ar­chi­tec­ture of this fa­cil­ity sup­posed to be op­er­ated dur­ing dozen of years with the ca­pa­bil­ity of using many in­stru­ments in­clud­ing sus­tain­abil­ity.  
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