fig9

Figure 9. Pressure variation curves for: (A) hydrogen (PH2); and (B) oxygen (PO2). PID: Proportional-integral-derivative; PSO: particle swarm optimization.
Figure 9. Pressure variation curves for: (A) hydrogen (PH2); and (B) oxygen (PO2). PID: Proportional-integral-derivative; PSO: particle swarm optimization.
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