Fig. 2
From: Tracking control of air flow based on a fractional-order model of the lung impedance

(a) Stability region \(F(\alpha )\) and (b) region \(S\left( r,\theta \right)\) for eigenvalue allocation.
From: Tracking control of air flow based on a fractional-order model of the lung impedance

(a) Stability region \(F(\alpha )\) and (b) region \(S\left( r,\theta \right)\) for eigenvalue allocation.