Research Article

An Improved Particle Swarm Optimization with Biogeography-Based Learning Strategy for Economic Dispatch Problems

Table 3

Comparison of fuel costs and statistical results for test system 1 (6-unit system,  MW).

AlgorithmMinimum cost ($/h)Mean cost ($/h)Maximum cost ($/h)Standard deviationTime (s)

NPSO-LRS [54]15,45015,45415,452NANA
MTS [55]15450.0615451.1715450.060.92871.29
TS [55]5454.8915472.5615454.8913.719520.55
SA [55]15461.115488.9815461.128.367850.36
GAAPI [56]15449.7815449.8115449.85NANA
HCRO-DE [42]15443.07515443.32715443.9160.0674.17
DE [57]15449.582615449.6215449.6508NA3.634
MABC [31]15449.899515449.899515449.89956.04E-080.62
CBA [58]15450.238115454.7615518.65882.9650.704
RDPSO [26]15449.8915458.01NA13.6470.707
IRDPSO [26]15449.8915456.55NA10.98650.676
ST-IRDPSO [26]15449.8915450.7NA1.4160.727

CLPSO15447.7215449.8315452.881.280.48
SLPSO15447.3415447.4615447.620.080.84
BLPSO15447.3415447.4515447.670.090.50

NA means the data are not available in the literature.