Impulsive State Feedback Control of Cheese Whey Fermentation for Single-Cell Protein Production

Figure 4

Time series and phase portrait of system (2) with 𝛿₁=0.6, 𝐾_𝑠=2, 𝑆_𝑖=4.7, 𝐷=0.4, 𝜇=3.8, 𝐾_𝑑=0.7, 𝑏=0.8, 𝑆₀=0.5, 𝑥₀=0.25, and ℎ=0.78>𝑆^∗.

(a)

(b)

(c)