Fig.1

Structure of an equipment system"

Fig.2

Equipment multi-mission executing process"

Fig.3

Optional repair behaviors for component"

Fig.4

Maintenance decision optimization process based on genetic algorithm"

Fig.5

Schematic diagram of gene coding design"

Fig.6

Schematic diagram of cross operation"

Fig.7

Schematic diagram of mutation operation"

Fig.8

Structure of a certain type of self-propelled artillery equipment chassis system"

Fig.9

Reliability block diagram of a certain type of self-propelled artillery equipment chassis system"

Table 1

Corresponding relationship between ω(k) and bij(k)"

Table 2

Basic parameters of each component"

Fig.10

Genetic algorithm iterative optimization process"

Table 3

Equipment selective maintenance strategy during each mission interval"

Table 4

Maintenance strategy of E33 during each mission internal"

Fig.11

Relationship between reliability of each system mission and mission duration"

Table 5

Maintenance actions of components during mission internals"

Fig.12

Relationship between optimal decision objective value and mission duration"

Fig.13

Change trend of reliability of each task of system with task stage"

Fig.14

Relationship between reliability of each system mission and maintenance personnel skill level"