Improved Firefly Algorithm: A Novel Method for Optimal Operation of Thermal Generating Units

Table 10

Result comparisons for Case 4.

Method	Best cost ($)	Mean cost ($)	Worst cost ($)		BCI (%)
CCDE [13]	121,412.58	121,413.56	121,416.53	70,000	−0.002
CSA [16]	121,412.54	121,520.41	121810.25	160,000	−0.002
BBO [26]	121,426.95	121,508.03	121,688.66	200,000	+0.010
FPA [39]	121,074.50	121,095.70	121,196.30	2000	−0.281
OLCSO [44]	121,415.82	121,504.05	121,460.78	400,000	+0.001
FA [47]	121,415.05	121,416.57	121,424.56	50,000	+0.000
KHA1 [23]	121,460.42	121,468.98	121,477.46	10,000	+0.038
KHA2 [23]	121,448.36	121,453.68	121,461.39	10,000	+0.028
KHA3 [23]	121,423.46	121,428.23	121,433.56	10,000	+0.007
KHA4 [23]	121,412.60	121,413.15	121,415.00	10,000	−0.002
CFA [51]	121,415.02	121,416.23	121,420.67	336,000	+0.00035
IFA	121,414.6	121,549.038	121,787.5	100,000	0.000