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Formal Adaptive Concept
Origins are informatics and modern control theory.
IGRT provides
feedback
, statistical treatment
deviations are observed.
Use knowledge to predict and address anatomical
(and biological) variation over time.
Yan et al., Sem. Rad. Oncol 20(2) 79-83 ( 2010)
control variable
Process
u
y
correction
variable
r
e=r-y
r = reference or set point
e = error
feedback
Controller