Table 5 Optimal combination of key parameters for different problem sizes.

From: Static scheduling method for aircraft flat-tail assembly production based on improved bi-level genetic algorithm

Problem size

Population size popsize

Crossover probability

Cr

Mutation probability

Mr

Number of crossovers based on assembly processes encoding

n

Number of crossovers based

on assembly frames encoding

k

Small

50

0.7

0.05

3

20

Medium

100

0.7

0.1

6

40

Large

200

0.8

0.1

9

60