n

50

The number of nodes in net

α

1

Weighting factor of pheromone

β

1

Inspired factor of pheromone

q₀

0.5

The probability threshold of path searching

ρ

0.02

The global pheromone volatilization coefficient

τ₀

10

Initial value of pheromone

ξ

0.04

The local pheromone volatilization coefficient

Q

100

Control parameters

φ₁

0.6

The delay weight factor of objective function

φ₂

0.4

The load weight factor of objective function

Na_max

50

The maximum number of iterations in ACS