Research Article

A Novel Fuzzy RPID Controller for Multiarea AGC with IABC Optimization

Figure 8

Deviation of frequency; (a) area 1, (b) area 2, (c) area 3, and (d) area 4 for +25% change of parameters; solid (IABC), dashed (HPSOCFA), dashed dotted (RGA), and dotted (BGA).
510572.fig.008a
(a)
510572.fig.008b
(b)
510572.fig.008c
(c)
510572.fig.008d
(d)