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SUMMARY:Feedback Control with Fractional Operators: Classical and Modern C
 ontrol Approaches - Blas M Vinagre (Universidad de Extremadura)
DTSTART:20220404T090000Z
DTEND:20220404T100000Z
UID:TALK170060@talks.cam.ac.uk
DESCRIPTION:The beauty of the proportional-integral-derivative (PID) algor
 ithm for feedback control derives from its simplicity and efficiency. It c
 ombines the three natural ways of taking into account the error: the actua
 l value (proportional)\, the accumulated error (integral)\, and the predic
 tion of the error (derivative)\; the three gains depend on the magnitude o
 f the error\, the time required to eliminate the accumulated error\, and t
 he prediction horizon of the error. \nOn the other hand\, control techniqu
 es in state space require the description of the system in this same domai
 n\, that is\, a model of states of the system to be controlled\, but contr
 ol strategies does not require that all state variables have a physical me
 aning. They only require something like this to those that we measure and 
 that\, habitually\, we take as outputs. The use of observers releases us f
 rom this requirement. Furthermore\, the observers allow to look inside the
  system and obtain as much dynamic information as convenient for control p
 urposes. When modeling\, we always made a selective destruction of informa
 tion.\n&nbsp\;\nThis talk explores the meaning of integral and derivative 
 actions and gains provided by the consideration of non integer integration
  and differentiation orders\, as well as the significance of the informati
 on granted by taking into account a richest concept of state.
LOCATION:Seminar Room 2\, Newton Institute
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