Dynamics of a Bioreactor with a Bacteria Piecewise-Linear Growth Model in a Methane-Producing Process

Figure 3

Algebraic computations when parameter 𝛼 is varied. Equilibriums in *. Pseudoequilibriums in black square. Boundary points in red *. Tangent points in blue ^∘. Singular points in green star.

(a)  Analysis with 𝛼=0.2

(b) Analysis with 𝛼=0.22

(c) Analysis with 𝛼=0.23

(d) Analysis with 𝛼=0.24