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UID:1184@cran.univ-lorraine.fr
DTSTART;TZID=Europe/Paris:20260226T140000
DTEND;TZID=Europe/Paris:20260226T150000
DTSTAMP:20260219T064909Z
URL:https://www.cran.univ-lorraine.fr/events/seminaire-de-gal-barkai-cran/
SUMMARY:Séminaire de Gal Barkai (CRAN)
DESCRIPTION:\n 	\nLien visio : Teams\n 	\nTitre : Between servo regulation 
 and agreement: the consensus protocol revisited\n 	\nRésumé : It can be
  argued that control theory emerged from three engineering objectives: i) 
 stabilize a system\, ii) reject unwanted external signals\, and iii) minim
 ize the effects of uncertainty. This is the core of the classic servo-regu
 lation problem\, where controllers track a reference r while minimizing 
 disturbances d\, noise n\, and modeling errors.\nOver the past two decad
 es\, distributed control of networked multi-agent systems\, whose central 
 challenge is designing controllers under communication constraints\, has r
 eceived significant attention. At the center of this field is the agreemen
 t problem and its celebrated solution\, the consensus protocol\, which nat
 urally embeds the information exchange graph in the controller structure. 
 This pairs algebraic graph theory with classical control\, reducing high-d
 imensional coordination to what appears like a standard low-order servo pr
 oblem. Consequently\, it has become the de facto standard structure for ag
 reement problems.\nIn this talk\, we argue that there are fundamental diff
 erences between this reduction and true servo regulation. We illustrate wh
 en and why agreeing systems fail to satisfy the three aforementioned servo
  objectives. Armed with these insights\, we then show that some of these i
 ssues can be mitigated by revisiting classical servo techniques. The resul
 ting control structure differs from the consensus protocol but still explo
 its graph theory to simplify both analysis and design.\n
CATEGORIES:Séminaire projet MODELE
LOCATION:CRAN - ENSEM\, 2\, Avenue de la Foret de Haye\, Voandoeuvre-les-Na
 ncy\, 54516\, France
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