Figure 4

Comparison of PID parameter evaluation values for three algorithms: (a) population size of 30; (b) population size of 50; (c) population size of 70; (d) population size of 90.

Comparison of PID parameter evaluation values for three algorithms: (a) population size of 30; (b) population size of 50; (c) population size of 70; (d) population size of 90.