Table 4 Distribution costs and delivery times of power grid material supply chain.

From: Optimization of power grid material warehousing and supply chain distribution path planning based on improved PSO algorithm

Type of emergency

Algorithm

Delivery cost (dollar)

Delivery time (h)

Typhoon

MSC-PSO-IICA

23,451

4.56

CPSO-MPC

27,894*

6.78*

PSO-BP-ANN

32,157*

8.90*

Earthquake

MSC-PSO-IICA

25,671

5.67

CPSO-MPC

30,121*

7.89*

PSO-BP-ANN

35,672*

9.87*

Wildfire

MSC-PSO-IICA

20,341

3.45

CPSO-MPC

24,563*

5.60*

PSO-BP-ANN

29,781*

7.65*

Heavy Rain

MSC-PSO-IICA

19,895

3.21

CPSO-MPC

23,451*

5.32*

PSO-BP-ANN

28,562*

7.43*

  1. Note: Values with “*” indicate significant difference (p < 0.05) compared to the results of MSC-PSO-IICA over multiple runs.
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