ATP Barcelona 2017

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

r

u

y

Controller

Process

correction variable

e=r-y

feedback

r = reference or set point

e = error