Frequency-Domain Analysis and Design of Insulin-Glucose Controllers, by Paul Enright, http://dx.doi.org/10.13140/RG.2.2.16987.85282

A classical control perspective on the design of automated insulin delivery systems, by Paul Enright, http://dx.doi.org/10.13140/RG.2.2.36491.36644

Nonlinear dynamic compensation for large-feedback control of a servomechanism with multiple nonlinearities, by John F. O’Brien and Dustin Carruthers, Control Engineering Practice 21 (2013).