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

Figure 7

Dependence of the biomass and substrate concentration on 𝑊_𝑓. The phase portraits when 𝐷=0.4[1/h], 𝑆_in=20[g/L], 𝑥_set=6[g/L], and 𝑊_𝑓=0.1,0.3,0.5.

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