Theoretical Study and Optimization of the Biochemical Reaction Process by Means of Feedback Control Strategy

Figure 8

Dependence of the biomass and substrate concentration on 𝐷. The phase portraits when 𝑊_𝑓=0.3, 𝑆_in=20[g/L], 𝑥_set=6[g/L], and 𝐷=0.3[1/h],0.4[1/h],0.45[1/h].

(a)

(b)

(c)