Fig. 5.

Dynamic response of the PETCO${}_2$ and PRVC controllers for subjects B (left) and C (right). The bars at the bottom show the current operating region of the controller. The red text shows clinician interaction. The green dot-dashed line shows the V${}_{\text{T,pbw,target}}$ (setpoint) for the inner control loop. The grey dashed lines define the limits as given by the operating region