An Improved Differential Evolution Method Based on the Dynamic Search Strategy to Solve Dynamic Economic Dispatch Problem with Valve-Point Effects

Table 6

Comparison of results with different methods for test system 3.

Method	Total generation cost ($)		Average CPU time (min)			Different trial
	Minimum	Average	Actual	CPU	Equalized
DE	3162709	3171416	0.56	2.2 GHz	0.56	40
EP [47]	3164531	3200171	177.39	850 MHz	68.54	20
EP-SQP [47]	3159204	3169093	27.53	850 MHz	10.64	20
MHEP-SQP [47]	3151445	3157738	24.33	—	—	30
CSAPSO [52]	3066907	3075023	1.02	1.8 GHz	0.84	40
DGPSO [48]	3148992	3154438	73.01	750 GHz	24.88	30
CE [45]	3086109	3088869	2.0740	1.5 GHz	1.41	30
ECE [45]	3084649	3087847	2.1375	1.5 GHz	1.46	30
ICPSO [51]	3064497	3071588	1.03	1.8 GHz	0.84	30
HHS [50]	3057313	—	27.65	2 GHz	25.13	25
EAPSO [53]	3054961	3055252	—	3 GHz	—	40
CSADHS [23]	3054709	3055070	7.37	1.6 GHz	5.36	100
EBSO [54]	3054001	3054697	0.95	1.8 GHz	0.78	40
IDEBDSS	3049736	3050492	0.80	2.2 GHz	0.80	40